rework shop

backend/alembic/versions/024_seed_shop_items.py

@@ -450,13 +450,13 @@ def upgrade() -> None:
             'item_type': 'consumable',
             'code': 'boost',
             'name': 'Буст x1.5',
-            'description': 'Множитель очков x1.5 на следующие 2 часа',
+            'description': 'Множитель очков x1.5 на текущее задание',
             'price': 200,
             'rarity': 'rare',
             'asset_data': {
                 'effect': 'boost',
                 'multiplier': 1.5,
-                'duration_hours': 2,
+                'one_time': True,
                 'icon': 'zap'
             },
             'is_active': True,

backend/alembic/versions/026_update_boost_description.py

@@ -0,0 +1,46 @@
+"""Update boost description to one-time usage
+
+Revision ID: 026_update_boost_desc
+Revises: 025_simplify_boost
+Create Date: 2026-01-08
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '026_update_boost_desc'
+down_revision: Union[str, None] = '025_simplify_boost'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # Update boost description in shop_items table
+    op.execute("""
+        UPDATE shop_items
+        SET description = 'Множитель очков x1.5 на текущее задание',
+            asset_data = jsonb_set(
+                asset_data::jsonb - 'duration_hours',
+                '{one_time}',
+                'true'
+            )
+        WHERE code = 'boost' AND item_type = 'consumable'
+    """)
+
+
+def downgrade() -> None:
+    # Revert boost description
+    op.execute("""
+        UPDATE shop_items
+        SET description = 'Множитель очков x1.5 на следующие 2 часа',
+            asset_data = jsonb_set(
+                asset_data::jsonb - 'one_time',
+                '{duration_hours}',
+                '2'
+            )
+        WHERE code = 'boost' AND item_type = 'consumable'
+    """)

backend/alembic/versions/027_consumables_redesign.py

@@ -0,0 +1,83 @@
+"""Consumables redesign: remove shield/reroll, add wild_card/lucky_dice/copycat/undo
+
+Revision ID: 027_consumables_redesign
+Revises: 026_update_boost_desc
+Create Date: 2026-01-08
+
+"""
+from typing import Sequence, Union
+from datetime import datetime
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '027_consumables_redesign'
+down_revision: Union[str, None] = '026_update_boost_desc'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # 1. Remove has_shield column from participants
+    op.drop_column('participants', 'has_shield')
+
+    # 2. Add new columns for lucky_dice and undo
+    op.add_column('participants', sa.Column('has_lucky_dice', sa.Boolean(), nullable=False, server_default='false'))
+    op.add_column('participants', sa.Column('lucky_dice_multiplier', sa.Float(), nullable=True))
+    op.add_column('participants', sa.Column('last_drop_points', sa.Integer(), nullable=True))
+    op.add_column('participants', sa.Column('last_drop_streak_before', sa.Integer(), nullable=True))
+    op.add_column('participants', sa.Column('can_undo', sa.Boolean(), nullable=False, server_default='false'))
+
+    # 3. Remove old consumables from shop
+    op.execute("DELETE FROM shop_items WHERE code IN ('reroll', 'shield')")
+
+    # 4. Update boost price from 200 to 150
+    op.execute("UPDATE shop_items SET price = 150 WHERE code = 'boost'")
+
+    # 5. Add new consumables to shop
+    now = datetime.utcnow().isoformat()
+
+    op.execute(f"""
+        INSERT INTO shop_items (item_type, code, name, description, price, rarity, asset_data, is_active, created_at)
+        VALUES
+        ('consumable', 'wild_card', 'Дикая карта', 'Выбери игру и получи случайное задание из неё', 150, 'uncommon',
+         '{{"effect": "wild_card", "icon": "shuffle"}}', true, '{now}'),
+        ('consumable', 'lucky_dice', 'Счастливые кости', 'Случайный множитель очков (1.5x - 4.0x)', 250, 'rare',
+         '{{"effect": "lucky_dice", "multipliers": [1.5, 2.0, 2.5, 3.0, 3.5, 4.0], "icon": "dice"}}', true, '{now}'),
+        ('consumable', 'copycat', 'Копикэт', 'Скопируй задание любого участника марафона', 300, 'epic',
+         '{{"effect": "copycat", "icon": "copy"}}', true, '{now}'),
+        ('consumable', 'undo', 'Отмена', 'Отмени последний дроп и верни очки со стриком', 300, 'epic',
+         '{{"effect": "undo", "icon": "undo"}}', true, '{now}')
+    """)
+
+
+def downgrade() -> None:
+    # 1. Remove new columns
+    op.drop_column('participants', 'can_undo')
+    op.drop_column('participants', 'last_drop_streak_before')
+    op.drop_column('participants', 'last_drop_points')
+    op.drop_column('participants', 'lucky_dice_multiplier')
+    op.drop_column('participants', 'has_lucky_dice')
+
+    # 2. Add back has_shield
+    op.add_column('participants', sa.Column('has_shield', sa.Boolean(), nullable=False, server_default='false'))
+
+    # 3. Remove new consumables
+    op.execute("DELETE FROM shop_items WHERE code IN ('wild_card', 'lucky_dice', 'copycat', 'undo')")
+
+    # 4. Restore boost price back to 200
+    op.execute("UPDATE shop_items SET price = 200 WHERE code = 'boost'")
+
+    # 5. Add back old consumables
+    now = datetime.utcnow().isoformat()
+
+    op.execute(f"""
+        INSERT INTO shop_items (item_type, code, name, description, price, rarity, asset_data, is_active, created_at)
+        VALUES
+        ('consumable', 'shield', 'Щит', 'Защита от штрафа при следующем дропе. Streak сохраняется.', 150, 'uncommon',
+         '{{"effect": "shield", "icon": "shield"}}', true, '{now}'),
+        ('consumable', 'reroll', 'Перекрут', 'Перекрутить колесо и получить новое задание', 80, 'common',
+         '{{"effect": "reroll", "icon": "refresh-cw"}}', true, '{now}')
+    """)

backend/app/api/v1/shop.py

@@ -181,18 +181,29 @@ async def use_consumable(
     # Get participant
     participant = await require_participant(db, current_user.id, data.marathon_id)
 
-    # For skip and reroll, we need the assignment
+    # For some consumables, we need the assignment
     assignment = None
-    if data.item_code in ["skip", "reroll"]:
+    if data.item_code in ["skip", "wild_card", "copycat"]:
         if not data.assignment_id:
-            raise HTTPException(status_code=400, detail="assignment_id is required for skip/reroll")
+            raise HTTPException(status_code=400, detail=f"assignment_id is required for {data.item_code}")
 
-        result = await db.execute(
-            select(Assignment).where(
-                Assignment.id == data.assignment_id,
-                Assignment.participant_id == participant.id,
+        # For copycat, we need bonus_assignments to properly handle playthrough
+        if data.item_code == "copycat":
+            result = await db.execute(
+                select(Assignment)
+                .options(selectinload(Assignment.bonus_assignments))
+                .where(
+                    Assignment.id == data.assignment_id,
+                    Assignment.participant_id == participant.id,
+                )
+            )
+        else:
+            result = await db.execute(
+                select(Assignment).where(
+                    Assignment.id == data.assignment_id,
+                    Assignment.participant_id == participant.id,
+                )
             )
-        )
         assignment = result.scalar_one_or_none()
         if not assignment:
             raise HTTPException(status_code=404, detail="Assignment not found")
@@ -201,15 +212,29 @@ async def use_consumable(
     if data.item_code == "skip":
         effect = await consumables_service.use_skip(db, current_user, participant, marathon, assignment)
         effect_description = "Assignment skipped without penalty"
-    elif data.item_code == "shield":
-        effect = await consumables_service.use_shield(db, current_user, participant, marathon)
-        effect_description = "Shield activated - next drop will be free"
     elif data.item_code == "boost":
         effect = await consumables_service.use_boost(db, current_user, participant, marathon)
-        effect_description = f"Boost x{effect['multiplier']} activated for next complete"
-    elif data.item_code == "reroll":
-        effect = await consumables_service.use_reroll(db, current_user, participant, marathon, assignment)
-        effect_description = "Assignment rerolled - you can spin again"
+        effect_description = f"Boost x{effect['multiplier']} activated for current assignment"
+    elif data.item_code == "wild_card":
+        if data.game_id is None:
+            raise HTTPException(status_code=400, detail="game_id is required for wild_card")
+        effect = await consumables_service.use_wild_card(
+            db, current_user, participant, marathon, assignment, data.game_id
+        )
+        effect_description = f"New challenge from {effect['game_name']}: {effect['challenge_title']}"
+    elif data.item_code == "lucky_dice":
+        effect = await consumables_service.use_lucky_dice(db, current_user, participant, marathon)
+        effect_description = f"Lucky Dice rolled: x{effect['multiplier']} multiplier"
+    elif data.item_code == "copycat":
+        if data.target_participant_id is None:
+            raise HTTPException(status_code=400, detail="target_participant_id is required for copycat")
+        effect = await consumables_service.use_copycat(
+            db, current_user, participant, marathon, assignment, data.target_participant_id
+        )
+        effect_description = f"Copied challenge: {effect['challenge_title']}"
+    elif data.item_code == "undo":
+        effect = await consumables_service.use_undo(db, current_user, participant, marathon)
+        effect_description = f"Restored {effect['points_restored']} points and streak {effect['streak_restored']}"
     else:
         raise HTTPException(status_code=400, detail=f"Unknown consumable: {data.item_code}")
 
@@ -243,9 +268,11 @@ async def get_consumables_status(
 
     # Get inventory counts for all consumables
     skips_available = await consumables_service.get_consumable_count(db, current_user.id, "skip")
-    shields_available = await consumables_service.get_consumable_count(db, current_user.id, "shield")
     boosts_available = await consumables_service.get_consumable_count(db, current_user.id, "boost")
-    rerolls_available = await consumables_service.get_consumable_count(db, current_user.id, "reroll")
+    wild_cards_available = await consumables_service.get_consumable_count(db, current_user.id, "wild_card")
+    lucky_dice_available = await consumables_service.get_consumable_count(db, current_user.id, "lucky_dice")
+    copycats_available = await consumables_service.get_consumable_count(db, current_user.id, "copycat")
+    undos_available = await consumables_service.get_consumable_count(db, current_user.id, "undo")
 
     # Calculate remaining skips for this marathon
     skips_remaining = None
@@ -256,12 +283,16 @@ async def get_consumables_status(
         skips_available=skips_available,
         skips_used=participant.skips_used,
         skips_remaining=skips_remaining,
-        shields_available=shields_available,
-        has_shield=participant.has_shield,
         boosts_available=boosts_available,
         has_active_boost=participant.has_active_boost,
         boost_multiplier=consumables_service.BOOST_MULTIPLIER if participant.has_active_boost else None,
-        rerolls_available=rerolls_available,
+        wild_cards_available=wild_cards_available,
+        lucky_dice_available=lucky_dice_available,
+        has_lucky_dice=participant.has_lucky_dice,
+        lucky_dice_multiplier=participant.lucky_dice_multiplier,
+        copycats_available=copycats_available,
+        undos_available=undos_available,
+        can_undo=participant.can_undo,
     )
 
 

backend/app/api/v1/wheel.py

@@ -621,10 +621,12 @@ async def complete_assignment(
                 if ba.status == BonusAssignmentStatus.COMPLETED.value:
                     ba.points_earned = int(ba.challenge.points * multiplier)
 
-        # Apply boost multiplier from consumable
+        # Apply boost and lucky dice multipliers from consumables
         boost_multiplier = consumables_service.consume_boost_on_complete(participant)
-        if boost_multiplier > 1.0:
-            total_points = int(total_points * boost_multiplier)
+        lucky_dice_multiplier = consumables_service.consume_lucky_dice_on_complete(participant)
+        combined_multiplier = boost_multiplier * lucky_dice_multiplier
+        if combined_multiplier != 1.0:
+            total_points = int(total_points * combined_multiplier)
 
         # Update assignment
         assignment.status = AssignmentStatus.COMPLETED.value
@@ -666,6 +668,8 @@ async def complete_assignment(
             activity_data["is_redo"] = True
         if boost_multiplier > 1.0:
             activity_data["boost_multiplier"] = boost_multiplier
+        if lucky_dice_multiplier != 1.0:
+            activity_data["lucky_dice_multiplier"] = lucky_dice_multiplier
         if coins_earned > 0:
             activity_data["coins_earned"] = coins_earned
         if playthrough_event:
@@ -728,10 +732,12 @@ async def complete_assignment(
         total_points += common_enemy_bonus
         print(f"[COMMON_ENEMY] bonus={common_enemy_bonus}, closed={common_enemy_closed}, winners={common_enemy_winners}")
 
-    # Apply boost multiplier from consumable
+    # Apply boost and lucky dice multipliers from consumables
     boost_multiplier = consumables_service.consume_boost_on_complete(participant)
-    if boost_multiplier > 1.0:
-        total_points = int(total_points * boost_multiplier)
+    lucky_dice_multiplier = consumables_service.consume_lucky_dice_on_complete(participant)
+    combined_multiplier = boost_multiplier * lucky_dice_multiplier
+    if combined_multiplier != 1.0:
+        total_points = int(total_points * combined_multiplier)
 
     # Update assignment
     assignment.status = AssignmentStatus.COMPLETED.value
@@ -772,6 +778,8 @@ async def complete_assignment(
         activity_data["is_redo"] = True
     if boost_multiplier > 1.0:
         activity_data["boost_multiplier"] = boost_multiplier
+    if lucky_dice_multiplier != 1.0:
+        activity_data["lucky_dice_multiplier"] = lucky_dice_multiplier
     if coins_earned > 0:
         activity_data["coins_earned"] = coins_earned
     if assignment.event_type == EventType.JACKPOT.value:
@@ -887,11 +895,10 @@ async def drop_assignment(assignment_id: int, current_user: CurrentUser, db: DbS
             participant.drop_count, game.playthrough_points, playthrough_event
         )
 
-        # Check for shield - if active, no penalty
-        shield_used = False
-        if consumables_service.consume_shield(participant):
-            penalty = 0
-            shield_used = True
+        # Save drop data for potential undo
+        consumables_service.save_drop_for_undo(
+            participant, penalty, participant.current_streak
+        )
 
         # Update assignment
         assignment.status = AssignmentStatus.DROPPED.value
@@ -921,8 +928,6 @@ async def drop_assignment(assignment_id: int, current_user: CurrentUser, db: DbS
             "penalty": penalty,
             "lost_bonuses": completed_bonuses_count,
         }
-        if shield_used:
-            activity_data["shield_used"] = True
         if playthrough_event:
             activity_data["event_type"] = playthrough_event.type
             activity_data["free_drop"] = True
@@ -941,7 +946,6 @@ async def drop_assignment(assignment_id: int, current_user: CurrentUser, db: DbS
             penalty=penalty,
             total_points=participant.total_points,
             new_drop_count=participant.drop_count,
-            shield_used=shield_used,
         )
 
     # Regular challenge drop
@@ -953,11 +957,10 @@ async def drop_assignment(assignment_id: int, current_user: CurrentUser, db: DbS
     # Calculate penalty (0 if double_risk event is active)
     penalty = points_service.calculate_drop_penalty(participant.drop_count, assignment.challenge.points, active_event)
 
-    # Check for shield - if active, no penalty
-    shield_used = False
-    if consumables_service.consume_shield(participant):
-        penalty = 0
-        shield_used = True
+    # Save drop data for potential undo
+    consumables_service.save_drop_for_undo(
+        participant, penalty, participant.current_streak
+    )
 
     # Update assignment
     assignment.status = AssignmentStatus.DROPPED.value
@@ -975,8 +978,6 @@ async def drop_assignment(assignment_id: int, current_user: CurrentUser, db: DbS
         "difficulty": assignment.challenge.difficulty,
         "penalty": penalty,
     }
-    if shield_used:
-        activity_data["shield_used"] = True
     if active_event:
         activity_data["event_type"] = active_event.type
         if active_event.type == EventType.DOUBLE_RISK.value:
@@ -996,7 +997,6 @@ async def drop_assignment(assignment_id: int, current_user: CurrentUser, db: DbS
         penalty=penalty,
         total_points=participant.total_points,
         new_drop_count=participant.drop_count,
-        shield_used=shield_used,
     )
 
 

backend/app/models/participant.py

@@ -1,6 +1,6 @@
 from datetime import datetime
 from enum import Enum
-from sqlalchemy import DateTime, ForeignKey, Integer, String, UniqueConstraint, Boolean
+from sqlalchemy import DateTime, ForeignKey, Integer, String, UniqueConstraint, Boolean, Float
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from app.core.database import Base
@@ -32,7 +32,15 @@ class Participant(Base):
     # Shop: consumables state
     skips_used: Mapped[int] = mapped_column(Integer, default=0)
     has_active_boost: Mapped[bool] = mapped_column(Boolean, default=False)
-    has_shield: Mapped[bool] = mapped_column(Boolean, default=False)
+
+    # Lucky Dice state
+    has_lucky_dice: Mapped[bool] = mapped_column(Boolean, default=False)
+    lucky_dice_multiplier: Mapped[float | None] = mapped_column(Float, nullable=True)
+
+    # Undo state - stores last drop data for potential rollback
+    last_drop_points: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    last_drop_streak_before: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    can_undo: Mapped[bool] = mapped_column(Boolean, default=False)
 
     # Relationships
     user: Mapped["User"] = relationship("User", back_populates="participations")

backend/app/models/shop.py

@@ -28,9 +28,11 @@ class ItemRarity(str, Enum):
 
 class ConsumableType(str, Enum):
     SKIP = "skip"
-    SHIELD = "shield"
     BOOST = "boost"
-    REROLL = "reroll"
+    WILD_CARD = "wild_card"
+    LUCKY_DICE = "lucky_dice"
+    COPYCAT = "copycat"
+    UNDO = "undo"
 
 
 class ShopItem(Base):

backend/app/schemas/assignment.py

@@ -86,7 +86,6 @@ class DropResult(BaseModel):
     penalty: int
     total_points: int
     new_drop_count: int
-    shield_used: bool = False  # Whether shield consumable was used to prevent penalty
 
 
 class EventAssignmentResponse(BaseModel):

backend/app/schemas/marathon.py

@@ -43,10 +43,10 @@ class ParticipantInfo(BaseModel):
     # Shop: coins and consumables status
     coins_earned: int = 0
     skips_used: int = 0
-    has_shield: bool = False
     has_active_boost: bool = False
-    boost_multiplier: float | None = None
-    boost_expires_at: datetime | None = None
+    has_lucky_dice: bool = False
+    lucky_dice_multiplier: float | None = None
+    can_undo: bool = False
 
     class Config:
         from_attributes = True

backend/app/schemas/shop.py

@@ -94,9 +94,11 @@ class PurchaseResponse(BaseModel):
 
 class UseConsumableRequest(BaseModel):
     """Schema for using a consumable"""
-    item_code: str  # 'skip', 'shield', 'boost', 'reroll'
+    item_code: str  # 'skip', 'boost', 'wild_card', 'lucky_dice', 'copycat', 'undo'
     marathon_id: int
-    assignment_id: int | None = None  # Required for skip and reroll
+    assignment_id: int | None = None  # Required for skip, wild_card, copycat
+    game_id: int | None = None  # Required for wild_card
+    target_participant_id: int | None = None  # Required for copycat
 
 
 class UseConsumableResponse(BaseModel):
@@ -192,9 +194,13 @@ class ConsumablesStatusResponse(BaseModel):
     skips_available: int  # From inventory
     skips_used: int  # In this marathon
     skips_remaining: int | None  # Based on marathon limit
-    shields_available: int  # From inventory
-    has_shield: bool  # Currently activated
     boosts_available: int  # From inventory
-    has_active_boost: bool  # Currently activated (one-time for next complete)
+    has_active_boost: bool  # Currently activated (one-time for current assignment)
     boost_multiplier: float | None  # 1.5 if boost active
-    rerolls_available: int  # From inventory
+    wild_cards_available: int  # From inventory
+    lucky_dice_available: int  # From inventory
+    has_lucky_dice: bool  # Currently activated
+    lucky_dice_multiplier: float | None  # Rolled multiplier if active
+    copycats_available: int  # From inventory
+    undos_available: int  # From inventory
+    can_undo: bool  # Has drop data to undo

backend/app/services/coins.py

@@ -14,19 +14,19 @@ class CoinsService:
 
     # Coins awarded per challenge difficulty (only in certified marathons)
     CHALLENGE_COINS = {
-        Difficulty.EASY.value: 5,
-        Difficulty.MEDIUM.value: 12,
-        Difficulty.HARD.value: 25,
+        Difficulty.EASY.value: 10,
+        Difficulty.MEDIUM.value: 20,
+        Difficulty.HARD.value: 35,
     }
 
     # Coins for playthrough = points * this ratio
-    PLAYTHROUGH_COIN_RATIO = 0.05  # 5% of points
+    PLAYTHROUGH_COIN_RATIO = 0.10  # 10% of points
 
     # Coins awarded for marathon placements
     MARATHON_PLACE_COINS = {
-        1: 100,  # 1st place
-        2: 50,   # 2nd place
-        3: 30,   # 3rd place
+        1: 500,  # 1st place
+        2: 250,  # 2nd place
+        3: 150,  # 3rd place
     }
 
     # Bonus coins for Common Enemy event winners

backend/app/services/consumables.py

@@ -1,15 +1,25 @@
 """
-Consumables Service - handles consumable items usage (skip, shield, boost, reroll)
+Consumables Service - handles consumable items usage
+
+Consumables:
+- skip: Skip current assignment without penalty
+- boost: x1.5 multiplier for current assignment
+- wild_card: Choose a game, get random challenge from it
+- lucky_dice: Random multiplier (0.5, 1.0, 1.5, 2.0, 2.5, 3.0)
+- copycat: Copy another participant's assignment
+- undo: Restore points and streak from last drop
 """
+import random
 from datetime import datetime
 from fastapi import HTTPException
-from sqlalchemy import select
+from sqlalchemy import select, func
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import selectinload
 
 from app.models import (
     User, Participant, Marathon, Assignment, AssignmentStatus,
-    ShopItem, UserInventory, ConsumableUsage, ConsumableType
+    ShopItem, UserInventory, ConsumableUsage, ConsumableType, Game, Challenge,
+    BonusAssignment
 )
 
 
@@ -19,6 +29,9 @@ class ConsumablesService:
     # Boost settings
     BOOST_MULTIPLIER = 1.5
 
+    # Lucky Dice multipliers (equal probability, starts from 1.5x)
+    LUCKY_DICE_MULTIPLIERS = [1.5, 2.0, 2.5, 3.0, 3.5, 4.0]
+
     async def use_skip(
         self,
         db: AsyncSession,
@@ -85,53 +98,6 @@ class ConsumablesService:
             "streak_preserved": True,
         }
 
-    async def use_shield(
-        self,
-        db: AsyncSession,
-        user: User,
-        participant: Participant,
-        marathon: Marathon,
-    ) -> dict:
-        """
-        Activate a Shield - protects from next drop penalty.
-
-        - Next drop will not cause point penalty
-        - Streak is preserved on next drop
-
-        Returns: dict with result info
-
-        Raises:
-            HTTPException: If consumables not allowed or shield already active
-        """
-        if not marathon.allow_consumables:
-            raise HTTPException(status_code=400, detail="Consumables are not allowed in this marathon")
-
-        if participant.has_shield:
-            raise HTTPException(status_code=400, detail="Shield is already active")
-
-        # Consume shield from inventory
-        item = await self._consume_item(db, user, ConsumableType.SHIELD.value)
-
-        # Activate shield
-        participant.has_shield = True
-
-        # Log usage
-        usage = ConsumableUsage(
-            user_id=user.id,
-            item_id=item.id,
-            marathon_id=marathon.id,
-            effect_data={
-                "type": "shield",
-                "activated": True,
-            },
-        )
-        db.add(usage)
-
-        return {
-            "success": True,
-            "shield_activated": True,
-        }
-
     async def use_boost(
         self,
         db: AsyncSession,
@@ -140,10 +106,10 @@ class ConsumablesService:
         marathon: Marathon,
     ) -> dict:
         """
-        Activate a Boost - multiplies points for NEXT complete only.
+        Activate a Boost - multiplies points for current assignment on complete.
 
-        - Points for next completed challenge are multiplied by BOOST_MULTIPLIER
-        - One-time use (consumed on next complete)
+        - Points for completed challenge are multiplied by BOOST_MULTIPLIER
+        - One-time use (consumed on complete)
 
         Returns: dict with result info
 
@@ -181,41 +147,71 @@ class ConsumablesService:
             "multiplier": self.BOOST_MULTIPLIER,
         }
 
-    async def use_reroll(
+    async def use_wild_card(
         self,
         db: AsyncSession,
         user: User,
         participant: Participant,
         marathon: Marathon,
         assignment: Assignment,
+        game_id: int,
     ) -> dict:
         """
-        Use a Reroll - discard current assignment and spin again.
+        Use Wild Card - choose a game and get a random challenge from it.
 
-        - Current assignment is cancelled (not dropped)
-        - User can spin the wheel again
-        - No penalty
+        - Current assignment is replaced
+        - New challenge is randomly selected from the chosen game
+        - Game must be in the marathon
 
-        Returns: dict with result info
+        Returns: dict with new assignment info
 
         Raises:
-            HTTPException: If consumables not allowed or assignment not active
+            HTTPException: If game not in marathon or no challenges available
         """
         if not marathon.allow_consumables:
             raise HTTPException(status_code=400, detail="Consumables are not allowed in this marathon")
 
         if assignment.status != AssignmentStatus.ACTIVE.value:
-            raise HTTPException(status_code=400, detail="Can only reroll active assignments")
+            raise HTTPException(status_code=400, detail="Can only use wild card on active assignments")
 
-        # Consume reroll from inventory
-        item = await self._consume_item(db, user, ConsumableType.REROLL.value)
+        # Verify game is in this marathon
+        result = await db.execute(
+            select(Game)
+            .where(
+                Game.id == game_id,
+                Game.marathon_id == marathon.id,
+            )
+        )
+        game = result.scalar_one_or_none()
 
-        # Cancel current assignment
-        old_challenge_id = assignment.challenge_id
+        if not game:
+            raise HTTPException(status_code=400, detail="Game not found in this marathon")
+
+        # Get random challenge from this game
+        result = await db.execute(
+            select(Challenge)
+            .where(Challenge.game_id == game_id)
+            .order_by(func.random())
+            .limit(1)
+        )
+        new_challenge = result.scalar_one_or_none()
+
+        if not new_challenge:
+            raise HTTPException(status_code=400, detail="No challenges available for this game")
+
+        # Consume wild card from inventory
+        item = await self._consume_item(db, user, ConsumableType.WILD_CARD.value)
+
+        # Store old assignment info for logging
         old_game_id = assignment.game_id
-        assignment.status = AssignmentStatus.DROPPED.value
-        assignment.completed_at = datetime.utcnow()
-        # Note: We do NOT increase drop_count (this is a reroll, not a real drop)
+        old_challenge_id = assignment.challenge_id
+
+        # Update assignment with new challenge
+        assignment.game_id = game_id
+        assignment.challenge_id = new_challenge.id
+        # Reset timestamps since it's a new challenge
+        assignment.started_at = datetime.utcnow()
+        assignment.deadline = None  # Will be recalculated if needed
 
         # Log usage
         usage = ConsumableUsage(
@@ -224,17 +220,275 @@ class ConsumablesService:
             marathon_id=marathon.id,
             assignment_id=assignment.id,
             effect_data={
-                "type": "reroll",
-                "rerolled_from_challenge_id": old_challenge_id,
-                "rerolled_from_game_id": old_game_id,
+                "type": "wild_card",
+                "old_game_id": old_game_id,
+                "old_challenge_id": old_challenge_id,
+                "new_game_id": game_id,
+                "new_challenge_id": new_challenge.id,
             },
         )
         db.add(usage)
 
         return {
             "success": True,
-            "rerolled": True,
-            "can_spin_again": True,
+            "game_id": game_id,
+            "game_name": game.name,
+            "challenge_id": new_challenge.id,
+            "challenge_title": new_challenge.title,
+        }
+
+    async def use_lucky_dice(
+        self,
+        db: AsyncSession,
+        user: User,
+        participant: Participant,
+        marathon: Marathon,
+    ) -> dict:
+        """
+        Use Lucky Dice - get a random multiplier for current assignment.
+
+        - Random multiplier from [0.5, 1.0, 1.5, 2.0, 2.5, 3.0]
+        - Applied on next complete (stacks with boost if both active)
+        - One-time use
+
+        Returns: dict with rolled multiplier
+
+        Raises:
+            HTTPException: If consumables not allowed or lucky dice already active
+        """
+        if not marathon.allow_consumables:
+            raise HTTPException(status_code=400, detail="Consumables are not allowed in this marathon")
+
+        if participant.has_lucky_dice:
+            raise HTTPException(status_code=400, detail="Lucky Dice is already active")
+
+        # Consume lucky dice from inventory
+        item = await self._consume_item(db, user, ConsumableType.LUCKY_DICE.value)
+
+        # Roll the dice
+        multiplier = random.choice(self.LUCKY_DICE_MULTIPLIERS)
+
+        # Activate lucky dice
+        participant.has_lucky_dice = True
+        participant.lucky_dice_multiplier = multiplier
+
+        # Log usage
+        usage = ConsumableUsage(
+            user_id=user.id,
+            item_id=item.id,
+            marathon_id=marathon.id,
+            effect_data={
+                "type": "lucky_dice",
+                "multiplier": multiplier,
+            },
+        )
+        db.add(usage)
+
+        return {
+            "success": True,
+            "lucky_dice_activated": True,
+            "multiplier": multiplier,
+        }
+
+    async def use_copycat(
+        self,
+        db: AsyncSession,
+        user: User,
+        participant: Participant,
+        marathon: Marathon,
+        assignment: Assignment,
+        target_participant_id: int,
+    ) -> dict:
+        """
+        Use Copycat - copy another participant's assignment.
+
+        - Current assignment is replaced with target's current/last assignment
+        - Can copy even if target already completed theirs
+        - Cannot copy your own assignment
+
+        Returns: dict with copied assignment info
+
+        Raises:
+            HTTPException: If target not found or no assignment to copy
+        """
+        if not marathon.allow_consumables:
+            raise HTTPException(status_code=400, detail="Consumables are not allowed in this marathon")
+
+        if assignment.status != AssignmentStatus.ACTIVE.value:
+            raise HTTPException(status_code=400, detail="Can only use copycat on active assignments")
+
+        if target_participant_id == participant.id:
+            raise HTTPException(status_code=400, detail="Cannot copy your own assignment")
+
+        # Find target participant
+        result = await db.execute(
+            select(Participant)
+            .where(
+                Participant.id == target_participant_id,
+                Participant.marathon_id == marathon.id,
+            )
+        )
+        target_participant = result.scalar_one_or_none()
+
+        if not target_participant:
+            raise HTTPException(status_code=400, detail="Target participant not found")
+
+        # Get target's most recent assignment (active or completed)
+        result = await db.execute(
+            select(Assignment)
+            .options(
+                selectinload(Assignment.challenge),
+                selectinload(Assignment.game).selectinload(Game.challenges),
+            )
+            .where(
+                Assignment.participant_id == target_participant_id,
+                Assignment.status.in_([
+                    AssignmentStatus.ACTIVE.value,
+                    AssignmentStatus.COMPLETED.value
+                ])
+            )
+            .order_by(Assignment.started_at.desc())
+            .limit(1)
+        )
+        target_assignment = result.scalar_one_or_none()
+
+        if not target_assignment:
+            raise HTTPException(status_code=400, detail="Target has no assignment to copy")
+
+        # Consume copycat from inventory
+        item = await self._consume_item(db, user, ConsumableType.COPYCAT.value)
+
+        # Store old assignment info for logging
+        old_game_id = assignment.game_id
+        old_challenge_id = assignment.challenge_id
+        old_is_playthrough = assignment.is_playthrough
+
+        # Copy the assignment - handle both challenge and playthrough
+        assignment.game_id = target_assignment.game_id
+        assignment.challenge_id = target_assignment.challenge_id
+        assignment.is_playthrough = target_assignment.is_playthrough
+        # Reset timestamps
+        assignment.started_at = datetime.utcnow()
+        assignment.deadline = None
+
+        # If copying a playthrough, recreate bonus assignments
+        if target_assignment.is_playthrough:
+            # Delete existing bonus assignments
+            for ba in assignment.bonus_assignments:
+                await db.delete(ba)
+
+            # Create new bonus assignments from target game's challenges
+            if target_assignment.game and target_assignment.game.challenges:
+                for ch in target_assignment.game.challenges:
+                    bonus = BonusAssignment(
+                        main_assignment_id=assignment.id,
+                        challenge_id=ch.id,
+                    )
+                    db.add(bonus)
+
+        # Log usage
+        usage = ConsumableUsage(
+            user_id=user.id,
+            item_id=item.id,
+            marathon_id=marathon.id,
+            assignment_id=assignment.id,
+            effect_data={
+                "type": "copycat",
+                "old_challenge_id": old_challenge_id,
+                "old_game_id": old_game_id,
+                "old_is_playthrough": old_is_playthrough,
+                "copied_from_participant_id": target_participant_id,
+                "new_challenge_id": target_assignment.challenge_id,
+                "new_game_id": target_assignment.game_id,
+                "new_is_playthrough": target_assignment.is_playthrough,
+            },
+        )
+        db.add(usage)
+
+        # Prepare response
+        if target_assignment.is_playthrough:
+            title = f"Прохождение: {target_assignment.game.title}" if target_assignment.game else "Прохождение"
+        else:
+            title = target_assignment.challenge.title if target_assignment.challenge else None
+
+        return {
+            "success": True,
+            "copied": True,
+            "game_id": target_assignment.game_id,
+            "challenge_id": target_assignment.challenge_id,
+            "is_playthrough": target_assignment.is_playthrough,
+            "challenge_title": title,
+        }
+
+    async def use_undo(
+        self,
+        db: AsyncSession,
+        user: User,
+        participant: Participant,
+        marathon: Marathon,
+    ) -> dict:
+        """
+        Use Undo - restore points and streak from last drop.
+
+        - Only works if there was a drop in this marathon
+        - Can only undo once per drop
+        - Restores both points and streak
+
+        Returns: dict with restored values
+
+        Raises:
+            HTTPException: If no drop to undo
+        """
+        if not marathon.allow_consumables:
+            raise HTTPException(status_code=400, detail="Consumables are not allowed in this marathon")
+
+        if not participant.can_undo:
+            raise HTTPException(status_code=400, detail="No drop to undo")
+
+        if participant.last_drop_points is None or participant.last_drop_streak_before is None:
+            raise HTTPException(status_code=400, detail="No drop data to restore")
+
+        # Consume undo from inventory
+        item = await self._consume_item(db, user, ConsumableType.UNDO.value)
+
+        # Store values for logging
+        points_restored = participant.last_drop_points
+        streak_restored = participant.last_drop_streak_before
+        current_points = participant.total_points
+        current_streak = participant.current_streak
+
+        # Restore points and streak
+        participant.total_points += points_restored
+        participant.current_streak = streak_restored
+        participant.drop_count = max(0, participant.drop_count - 1)
+
+        # Clear undo data
+        participant.can_undo = False
+        participant.last_drop_points = None
+        participant.last_drop_streak_before = None
+
+        # Log usage
+        usage = ConsumableUsage(
+            user_id=user.id,
+            item_id=item.id,
+            marathon_id=marathon.id,
+            effect_data={
+                "type": "undo",
+                "points_restored": points_restored,
+                "streak_restored_to": streak_restored,
+                "points_before": current_points,
+                "streak_before": current_streak,
+            },
+        )
+        db.add(usage)
+
+        return {
+            "success": True,
+            "undone": True,
+            "points_restored": points_restored,
+            "streak_restored": streak_restored,
+            "new_total_points": participant.total_points,
+            "new_streak": participant.current_streak,
         }
 
     async def _consume_item(
@@ -292,17 +546,6 @@ class ConsumablesService:
         quantity = result.scalar_one_or_none()
         return quantity or 0
 
-    def consume_shield(self, participant: Participant) -> bool:
-        """
-        Consume shield when dropping (called from wheel.py).
-
-        Returns: True if shield was consumed, False otherwise
-        """
-        if participant.has_shield:
-            participant.has_shield = False
-            return True
-        return False
-
     def consume_boost_on_complete(self, participant: Participant) -> float:
         """
         Consume boost when completing assignment (called from wheel.py).
@@ -315,6 +558,33 @@ class ConsumablesService:
             return self.BOOST_MULTIPLIER
         return 1.0
 
+    def consume_lucky_dice_on_complete(self, participant: Participant) -> float:
+        """
+        Consume lucky dice when completing assignment (called from wheel.py).
+        One-time use - consumed after single complete.
+
+        Returns: Multiplier value (rolled multiplier if active, 1.0 otherwise)
+        """
+        if participant.has_lucky_dice and participant.lucky_dice_multiplier is not None:
+            multiplier = participant.lucky_dice_multiplier
+            participant.has_lucky_dice = False
+            participant.lucky_dice_multiplier = None
+            return multiplier
+        return 1.0
+
+    def save_drop_for_undo(
+        self,
+        participant: Participant,
+        points_lost: int,
+        streak_before: int,
+    ) -> None:
+        """
+        Save drop data for potential undo (called from wheel.py before dropping).
+        """
+        participant.last_drop_points = points_lost
+        participant.last_drop_streak_before = streak_before
+        participant.can_undo = True
+
 
 # Singleton instance
 consumables_service = ConsumablesService()

frontend/src/pages/InventoryPage.tsx

@@ -5,7 +5,7 @@ import { useToast } from '@/store/toast'
 import { GlassCard, NeonButton, FramePreview } from '@/components/ui'
 import {
   Loader2, Package, ShoppingBag, Coins, Check,
-  Frame, Type, Palette, Image, Zap, Shield, RefreshCw, SkipForward
+  Frame, Type, Palette, Image, Zap, SkipForward, Shuffle, Dice5, Copy, Undo2
 } from 'lucide-react'
 import type { InventoryItem, ShopItemType } from '@/types'
 import { RARITY_COLORS, RARITY_NAMES, ITEM_TYPE_NAMES } from '@/types'
@@ -13,9 +13,11 @@ import clsx from 'clsx'
 
 const CONSUMABLE_ICONS: Record<string, React.ReactNode> = {
   skip: <SkipForward className="w-8 h-8" />,
-  shield: <Shield className="w-8 h-8" />,
   boost: <Zap className="w-8 h-8" />,
-  reroll: <RefreshCw className="w-8 h-8" />,
+  wild_card: <Shuffle className="w-8 h-8" />,
+  lucky_dice: <Dice5 className="w-8 h-8" />,
+  copycat: <Copy className="w-8 h-8" />,
+  undo: <Undo2 className="w-8 h-8" />,
 }
 
 interface InventoryItemCardProps {

frontend/src/pages/PlayPage.tsx

@@ -5,7 +5,7 @@ import type { Marathon, Assignment, Game, ActiveEvent, SwapCandidate, MySwapRequ
 import { NeonButton, GlassCard, StatsCard } from '@/components/ui'
 import { SpinWheel } from '@/components/SpinWheel'
 import { EventBanner } from '@/components/EventBanner'
-import { Loader2, Upload, X, Gamepad2, ArrowLeftRight, Check, XCircle, Clock, Send, Trophy, Users, ArrowLeft, AlertTriangle, Zap, Flame, Target, Download, Shield, RefreshCw, SkipForward, Package } from 'lucide-react'
+import { Loader2, Upload, X, Gamepad2, ArrowLeftRight, Check, XCircle, Clock, Send, Trophy, Users, ArrowLeft, AlertTriangle, Zap, Flame, Target, Download, SkipForward, Package, Dice5, Copy, Undo2, Shuffle } from 'lucide-react'
 import { useToast } from '@/store/toast'
 import { useConfirm } from '@/store/confirm'
 import { useShopStore } from '@/store/shop'
@@ -494,45 +494,6 @@ export function PlayPage() {
     }
   }
 
-  const handleUseReroll = async () => {
-    if (!currentAssignment || !id) return
-    setIsUsingConsumable('reroll')
-    try {
-      await shopApi.useConsumable({
-        item_code: 'reroll',
-        marathon_id: parseInt(id),
-        assignment_id: currentAssignment.id,
-      })
-      toast.success('Задание отменено! Можно крутить заново.')
-      await loadData()
-      useShopStore.getState().loadBalance()
-    } catch (err: unknown) {
-      const error = err as { response?: { data?: { detail?: string } } }
-      toast.error(error.response?.data?.detail || 'Не удалось использовать Reroll')
-    } finally {
-      setIsUsingConsumable(null)
-    }
-  }
-
-  const handleUseShield = async () => {
-    if (!id) return
-    setIsUsingConsumable('shield')
-    try {
-      await shopApi.useConsumable({
-        item_code: 'shield',
-        marathon_id: parseInt(id),
-      })
-      toast.success('Shield активирован! Следующий пропуск будет бесплатным.')
-      await loadData()
-      useShopStore.getState().loadBalance()
-    } catch (err: unknown) {
-      const error = err as { response?: { data?: { detail?: string } } }
-      toast.error(error.response?.data?.detail || 'Не удалось активировать Shield')
-    } finally {
-      setIsUsingConsumable(null)
-    }
-  }
-
   const handleUseBoost = async () => {
     if (!id) return
     setIsUsingConsumable('boost')
@@ -541,7 +502,7 @@ export function PlayPage() {
         item_code: 'boost',
         marathon_id: parseInt(id),
       })
-      toast.success('Boost активирован! x1.5 очков за следующее выполнение.')
+      toast.success('Boost активирован! x1.5 очков за текущее задание.')
       await loadData()
       useShopStore.getState().loadBalance()
     } catch (err: unknown) {
@@ -552,6 +513,119 @@ export function PlayPage() {
     }
   }
 
+  // Wild Card modal state
+  const [showWildCardModal, setShowWildCardModal] = useState(false)
+
+  const handleUseWildCard = async (gameId: number) => {
+    if (!currentAssignment || !id) return
+    setIsUsingConsumable('wild_card')
+    try {
+      const result = await shopApi.useConsumable({
+        item_code: 'wild_card',
+        marathon_id: parseInt(id),
+        assignment_id: currentAssignment.id,
+        game_id: gameId,
+      })
+      toast.success(result.effect_description)
+      setShowWildCardModal(false)
+      await loadData()
+      useShopStore.getState().loadBalance()
+    } catch (err: unknown) {
+      const error = err as { response?: { data?: { detail?: string } } }
+      toast.error(error.response?.data?.detail || 'Не удалось использовать Wild Card')
+    } finally {
+      setIsUsingConsumable(null)
+    }
+  }
+
+  const handleUseLuckyDice = async () => {
+    if (!id) return
+    setIsUsingConsumable('lucky_dice')
+    try {
+      const result = await shopApi.useConsumable({
+        item_code: 'lucky_dice',
+        marathon_id: parseInt(id),
+      })
+      const multiplier = result.effect_data?.multiplier as number
+      toast.success(`Lucky Dice: x${multiplier} множитель!`)
+      await loadData()
+      useShopStore.getState().loadBalance()
+    } catch (err: unknown) {
+      const error = err as { response?: { data?: { detail?: string } } }
+      toast.error(error.response?.data?.detail || 'Не удалось использовать Lucky Dice')
+    } finally {
+      setIsUsingConsumable(null)
+    }
+  }
+
+  // Copycat modal state
+  const [showCopycatModal, setShowCopycatModal] = useState(false)
+  const [copycatCandidates, setCopycatCandidates] = useState<SwapCandidate[]>([])
+  const [isLoadingCopycatCandidates, setIsLoadingCopycatCandidates] = useState(false)
+
+  const loadCopycatCandidates = async () => {
+    if (!id) return
+    setIsLoadingCopycatCandidates(true)
+    try {
+      const candidates = await eventsApi.getSwapCandidates(parseInt(id))
+      setCopycatCandidates(candidates)
+    } catch (error) {
+      console.error('Failed to load copycat candidates:', error)
+    } finally {
+      setIsLoadingCopycatCandidates(false)
+    }
+  }
+
+  const handleUseCopycat = async (targetParticipantId: number) => {
+    if (!currentAssignment || !id) return
+    setIsUsingConsumable('copycat')
+    try {
+      const result = await shopApi.useConsumable({
+        item_code: 'copycat',
+        marathon_id: parseInt(id),
+        assignment_id: currentAssignment.id,
+        target_participant_id: targetParticipantId,
+      })
+      toast.success(result.effect_description)
+      setShowCopycatModal(false)
+      await loadData()
+      useShopStore.getState().loadBalance()
+    } catch (err: unknown) {
+      const error = err as { response?: { data?: { detail?: string } } }
+      toast.error(error.response?.data?.detail || 'Не удалось использовать Copycat')
+    } finally {
+      setIsUsingConsumable(null)
+    }
+  }
+
+  const handleUseUndo = async () => {
+    if (!id) return
+    const confirmed = await confirm({
+      title: 'Использовать Undo?',
+      message: 'Это вернёт очки и серию от последнего пропуска.',
+      confirmText: 'Использовать',
+      cancelText: 'Отмена',
+      variant: 'info',
+    })
+    if (!confirmed) return
+
+    setIsUsingConsumable('undo')
+    try {
+      const result = await shopApi.useConsumable({
+        item_code: 'undo',
+        marathon_id: parseInt(id),
+      })
+      toast.success(result.effect_description)
+      await loadData()
+      useShopStore.getState().loadBalance()
+    } catch (err: unknown) {
+      const error = err as { response?: { data?: { detail?: string } } }
+      toast.error(error.response?.data?.detail || 'Не удалось использовать Undo')
+    } finally {
+      setIsUsingConsumable(null)
+    }
+  }
+
   if (isLoading) {
     return (
       <div className="flex flex-col items-center justify-center py-24">
@@ -710,18 +784,18 @@ export function PlayPage() {
           </div>
 
           {/* Active effects */}
-          {(consumablesStatus.has_shield || consumablesStatus.has_active_boost) && (
+          {(consumablesStatus.has_active_boost || consumablesStatus.has_lucky_dice) && (
             <div className="mb-4 p-3 bg-green-500/10 border border-green-500/30 rounded-xl">
               <p className="text-green-400 text-sm font-medium mb-2">Активные эффекты:</p>
               <div className="flex flex-wrap gap-2">
-                {consumablesStatus.has_shield && (
-                  <span className="px-2 py-1 bg-blue-500/20 text-blue-400 text-xs rounded-lg border border-blue-500/30 flex items-center gap-1">
-                    <Shield className="w-3 h-3" /> Shield (следующий drop бесплатный)
-                  </span>
-                )}
                 {consumablesStatus.has_active_boost && (
                   <span className="px-2 py-1 bg-yellow-500/20 text-yellow-400 text-xs rounded-lg border border-yellow-500/30 flex items-center gap-1">
-                    <Zap className="w-3 h-3" /> Boost x1.5 (следующий complete)
+                    <Zap className="w-3 h-3" /> Boost x1.5
+                  </span>
+                )}
+                {consumablesStatus.has_lucky_dice && (
+                  <span className="px-2 py-1 bg-purple-500/20 text-purple-400 text-xs rounded-lg border border-purple-500/30 flex items-center gap-1">
+                    <Dice5 className="w-3 h-3" /> Lucky Dice x{consumablesStatus.lucky_dice_multiplier}
                   </span>
                 )}
               </div>
@@ -752,52 +826,6 @@ export function PlayPage() {
               </NeonButton>
             </div>
 
-            {/* Reroll */}
-            <div className="p-3 bg-dark-700/50 rounded-xl border border-dark-600">
-              <div className="flex items-center justify-between mb-2">
-                <div className="flex items-center gap-2">
-                  <RefreshCw className="w-4 h-4 text-cyan-400" />
-                  <span className="text-white font-medium">Reroll</span>
-                </div>
-                <span className="text-gray-400 text-sm">{consumablesStatus.rerolls_available} шт.</span>
-              </div>
-              <p className="text-gray-500 text-xs mb-2">Переспинить задание</p>
-              <NeonButton
-                size="sm"
-                variant="outline"
-                onClick={handleUseReroll}
-                disabled={consumablesStatus.rerolls_available === 0 || !currentAssignment || isUsingConsumable !== null}
-                isLoading={isUsingConsumable === 'reroll'}
-                className="w-full"
-              >
-                Использовать
-              </NeonButton>
-            </div>
-
-            {/* Shield */}
-            <div className="p-3 bg-dark-700/50 rounded-xl border border-dark-600">
-              <div className="flex items-center justify-between mb-2">
-                <div className="flex items-center gap-2">
-                  <Shield className="w-4 h-4 text-blue-400" />
-                  <span className="text-white font-medium">Shield</span>
-                </div>
-                <span className="text-gray-400 text-sm">
-                  {consumablesStatus.has_shield ? 'Активен' : `${consumablesStatus.shields_available} шт.`}
-                </span>
-              </div>
-              <p className="text-gray-500 text-xs mb-2">Защита от штрафа</p>
-              <NeonButton
-                size="sm"
-                variant="outline"
-                onClick={handleUseShield}
-                disabled={consumablesStatus.has_shield || consumablesStatus.shields_available === 0 || isUsingConsumable !== null}
-                isLoading={isUsingConsumable === 'shield'}
-                className="w-full"
-              >
-                {consumablesStatus.has_shield ? 'Активен' : 'Активировать'}
-              </NeonButton>
-            </div>
-
             {/* Boost */}
             <div className="p-3 bg-dark-700/50 rounded-xl border border-dark-600">
               <div className="flex items-center justify-between mb-2">
@@ -821,10 +849,180 @@ export function PlayPage() {
                 {consumablesStatus.has_active_boost ? 'Активен' : 'Активировать'}
               </NeonButton>
             </div>
+
+            {/* Wild Card */}
+            <div className="p-3 bg-dark-700/50 rounded-xl border border-dark-600">
+              <div className="flex items-center justify-between mb-2">
+                <div className="flex items-center gap-2">
+                  <Shuffle className="w-4 h-4 text-green-400" />
+                  <span className="text-white font-medium">Wild Card</span>
+                </div>
+                <span className="text-gray-400 text-sm">{consumablesStatus.wild_cards_available} шт.</span>
+              </div>
+              <p className="text-gray-500 text-xs mb-2">Выбрать игру</p>
+              <NeonButton
+                size="sm"
+                variant="outline"
+                onClick={() => setShowWildCardModal(true)}
+                disabled={consumablesStatus.wild_cards_available === 0 || !currentAssignment || isUsingConsumable !== null}
+                isLoading={isUsingConsumable === 'wild_card'}
+                className="w-full"
+              >
+                Выбрать
+              </NeonButton>
+            </div>
+
+            {/* Lucky Dice */}
+            <div className="p-3 bg-dark-700/50 rounded-xl border border-dark-600">
+              <div className="flex items-center justify-between mb-2">
+                <div className="flex items-center gap-2">
+                  <Dice5 className="w-4 h-4 text-purple-400" />
+                  <span className="text-white font-medium">Lucky Dice</span>
+                </div>
+                <span className="text-gray-400 text-sm">
+                  {consumablesStatus.has_lucky_dice ? `x${consumablesStatus.lucky_dice_multiplier}` : `${consumablesStatus.lucky_dice_available} шт.`}
+                </span>
+              </div>
+              <p className="text-gray-500 text-xs mb-2">Случайный множитель</p>
+              <NeonButton
+                size="sm"
+                variant="outline"
+                onClick={handleUseLuckyDice}
+                disabled={consumablesStatus.has_lucky_dice || consumablesStatus.lucky_dice_available === 0 || isUsingConsumable !== null}
+                isLoading={isUsingConsumable === 'lucky_dice'}
+                className="w-full"
+              >
+                {consumablesStatus.has_lucky_dice ? `x${consumablesStatus.lucky_dice_multiplier}` : 'Бросить'}
+              </NeonButton>
+            </div>
+
+            {/* Copycat */}
+            <div className="p-3 bg-dark-700/50 rounded-xl border border-dark-600">
+              <div className="flex items-center justify-between mb-2">
+                <div className="flex items-center gap-2">
+                  <Copy className="w-4 h-4 text-cyan-400" />
+                  <span className="text-white font-medium">Copycat</span>
+                </div>
+                <span className="text-gray-400 text-sm">{consumablesStatus.copycats_available} шт.</span>
+              </div>
+              <p className="text-gray-500 text-xs mb-2">Скопировать задание</p>
+              <NeonButton
+                size="sm"
+                variant="outline"
+                onClick={() => {
+                  setShowCopycatModal(true)
+                  loadCopycatCandidates()
+                }}
+                disabled={consumablesStatus.copycats_available === 0 || !currentAssignment || isUsingConsumable !== null}
+                isLoading={isUsingConsumable === 'copycat'}
+                className="w-full"
+              >
+                Выбрать
+              </NeonButton>
+            </div>
+
+            {/* Undo */}
+            <div className="p-3 bg-dark-700/50 rounded-xl border border-dark-600">
+              <div className="flex items-center justify-between mb-2">
+                <div className="flex items-center gap-2">
+                  <Undo2 className="w-4 h-4 text-red-400" />
+                  <span className="text-white font-medium">Undo</span>
+                </div>
+                <span className="text-gray-400 text-sm">{consumablesStatus.undos_available} шт.</span>
+              </div>
+              <p className="text-gray-500 text-xs mb-2">Отменить дроп</p>
+              <NeonButton
+                size="sm"
+                variant="outline"
+                onClick={handleUseUndo}
+                disabled={!consumablesStatus.can_undo || consumablesStatus.undos_available === 0 || isUsingConsumable !== null}
+                isLoading={isUsingConsumable === 'undo'}
+                className="w-full"
+              >
+                {consumablesStatus.can_undo ? 'Отменить' : 'Нет дропа'}
+              </NeonButton>
+            </div>
           </div>
         </GlassCard>
       )}
 
+      {/* Wild Card Modal */}
+      {showWildCardModal && (
+        <div className="fixed inset-0 bg-black/70 flex items-center justify-center z-50 p-4">
+          <GlassCard className="w-full max-w-md max-h-[80vh] overflow-y-auto">
+            <div className="flex items-center justify-between mb-4">
+              <h3 className="text-lg font-bold text-white">Выберите игру</h3>
+              <button
+                onClick={() => setShowWildCardModal(false)}
+                className="p-2 text-gray-400 hover:text-white"
+              >
+                <X className="w-5 h-5" />
+              </button>
+            </div>
+            <p className="text-gray-400 text-sm mb-4">
+              Вы получите случайное задание из выбранной игры
+            </p>
+            <div className="space-y-2">
+              {games.map((game) => (
+                <button
+                  key={game.id}
+                  onClick={() => handleUseWildCard(game.id)}
+                  disabled={isUsingConsumable === 'wild_card'}
+                  className="w-full p-3 bg-dark-700/50 hover:bg-dark-700 rounded-xl text-left transition-colors border border-dark-600 hover:border-green-500/30 disabled:opacity-50"
+                >
+                  <p className="text-white font-medium">{game.title}</p>
+                  <p className="text-gray-400 text-xs">{game.challenges_count} челленджей</p>
+                </button>
+              ))}
+            </div>
+          </GlassCard>
+        </div>
+      )}
+
+      {/* Copycat Modal */}
+      {showCopycatModal && (
+        <div className="fixed inset-0 bg-black/70 flex items-center justify-center z-50 p-4">
+          <GlassCard className="w-full max-w-md max-h-[80vh] overflow-y-auto">
+            <div className="flex items-center justify-between mb-4">
+              <h3 className="text-lg font-bold text-white">Скопировать задание</h3>
+              <button
+                onClick={() => setShowCopycatModal(false)}
+                className="p-2 text-gray-400 hover:text-white"
+              >
+                <X className="w-5 h-5" />
+              </button>
+            </div>
+            <p className="text-gray-400 text-sm mb-4">
+              Выберите участника, чьё задание хотите скопировать
+            </p>
+            {isLoadingCopycatCandidates ? (
+              <div className="flex justify-center py-8">
+                <Loader2 className="w-8 h-8 animate-spin text-cyan-400" />
+              </div>
+            ) : copycatCandidates.length === 0 ? (
+              <p className="text-center text-gray-500 py-8">Нет доступных заданий для копирования</p>
+            ) : (
+              <div className="space-y-2">
+                {copycatCandidates.map((candidate) => (
+                  <button
+                    key={candidate.participant_id}
+                    onClick={() => handleUseCopycat(candidate.participant_id)}
+                    disabled={isUsingConsumable === 'copycat'}
+                    className="w-full p-3 bg-dark-700/50 hover:bg-dark-700 rounded-xl text-left transition-colors border border-dark-600 hover:border-cyan-500/30 disabled:opacity-50"
+                  >
+                    <p className="text-white font-medium">{candidate.user.nickname}</p>
+                    <p className="text-cyan-400 text-sm">{candidate.challenge_title}</p>
+                    <p className="text-gray-500 text-xs">
+                      {candidate.game_title} • {candidate.challenge_points} очков • {candidate.challenge_difficulty}
+                    </p>
+                  </button>
+                ))}
+              </div>
+            )}
+          </GlassCard>
+        </div>
+      )}
+
       {/* Tabs for Common Enemy event */}
       {activeEvent?.event?.type === 'common_enemy' && (
         <div className="flex gap-2 mb-6">

frontend/src/pages/ShopPage.tsx

@@ -6,8 +6,8 @@ import { useConfirm } from '@/store/confirm'
 import { GlassCard, NeonButton, FramePreview } from '@/components/ui'
 import {
   Loader2, Coins, ShoppingBag, Package, Sparkles,
-  Frame, Type, Palette, Image, Zap, Shield, RefreshCw, SkipForward,
-  Minus, Plus
+  Frame, Type, Palette, Image, Zap, SkipForward,
+  Minus, Plus, Shuffle, Dice5, Copy, Undo2
 } from 'lucide-react'
 import type { ShopItem, ShopItemType, ShopItemPublic } from '@/types'
 import { RARITY_COLORS, RARITY_NAMES } from '@/types'
@@ -23,9 +23,11 @@ const ITEM_TYPE_ICONS: Record<ShopItemType, React.ReactNode> = {
 
 const CONSUMABLE_ICONS: Record<string, React.ReactNode> = {
   skip: <SkipForward className="w-8 h-8" />,
-  shield: <Shield className="w-8 h-8" />,
   boost: <Zap className="w-8 h-8" />,
-  reroll: <RefreshCw className="w-8 h-8" />,
+  wild_card: <Shuffle className="w-8 h-8" />,
+  lucky_dice: <Dice5 className="w-8 h-8" />,
+  copycat: <Copy className="w-8 h-8" />,
+  undo: <Undo2 className="w-8 h-8" />,
 }
 
 interface ShopItemCardProps {
@@ -176,7 +178,7 @@ function ShopItemCard({ item, onPurchase, isPurchasing }: ShopItemCardProps) {
       className={clsx(
         'p-4 border transition-all duration-300',
         rarityColors.border,
-        item.is_owned && 'opacity-60'
+        item.is_owned && !isConsumable && 'opacity-60'
       )}
     >
       {/* Rarity badge */}
@@ -196,7 +198,7 @@ function ShopItemCard({ item, onPurchase, isPurchasing }: ShopItemCardProps) {
       </p>
 
       {/* Quantity selector for consumables */}
-      {isConsumable && !item.is_owned && item.is_available && (
+      {isConsumable && item.is_available && (
         <div className="flex items-center justify-center gap-2 mb-3">
           <button
             onClick={decrementQuantity}
@@ -236,7 +238,7 @@ function ShopItemCard({ item, onPurchase, isPurchasing }: ShopItemCardProps) {
         ) : (
           <NeonButton
             size="sm"
-            onClick={() => onPurchase(item, quantity)}
+            onClick={() => onPurchase(item, isConsumable ? quantity : 1)}
             disabled={isPurchasing || !item.is_available}
           >
             {isPurchasing ? (
@@ -460,9 +462,9 @@ export function ShopPage() {
         </h3>
         <ul className="text-gray-400 text-sm space-y-1">
           <li>• Выполняй задания в <span className="text-neon-400">сертифицированных</span> марафонах</li>
-          <li>• Easy задание — 5 монет, Medium — 12 монет, Hard — 25 монет</li>
-          <li>• Playthrough — ~5% от заработанных очков</li>
-          <li>• Топ-3 места в марафоне: 1-е — 100, 2-е — 50, 3-е — 30 монет</li>
+          <li>• Easy задание — 10 монет, Medium — 20 монет, Hard — 35 монет</li>
+          <li>• Playthrough — ~10% от заработанных очков</li>
+          <li>• Топ-3 места в марафоне: 1-е — 500, 2-е — 250, 3-е — 150 монет</li>
         </ul>
       </GlassCard>
     </div>

frontend/src/types/index.ts

@@ -718,7 +718,7 @@ export interface PasswordChangeData {
 
 export type ShopItemType = 'frame' | 'title' | 'name_color' | 'background' | 'consumable'
 export type ItemRarity = 'common' | 'uncommon' | 'rare' | 'epic' | 'legendary'
-export type ConsumableType = 'skip' | 'shield' | 'boost' | 'reroll'
+export type ConsumableType = 'skip' | 'boost' | 'wild_card' | 'lucky_dice' | 'copycat' | 'undo'
 
 export interface ShopItemPublic {
   id: number
@@ -776,6 +776,8 @@ export interface UseConsumableRequest {
   item_code: ConsumableType
   marathon_id: number
   assignment_id?: number
+  game_id?: number  // Required for wild_card
+  target_participant_id?: number  // Required for copycat
 }
 
 export interface UseConsumableResponse {
@@ -805,12 +807,16 @@ export interface ConsumablesStatus {
   skips_available: number
   skips_used: number
   skips_remaining: number | null
-  shields_available: number
-  has_shield: boolean
   boosts_available: number
   has_active_boost: boolean
   boost_multiplier: number | null
-  rerolls_available: number
+  wild_cards_available: number
+  lucky_dice_available: number
+  has_lucky_dice: boolean
+  lucky_dice_multiplier: number | null
+  copycats_available: number
+  undos_available: number
+  can_undo: boolean
 }
 
 export interface UserCosmetics {