A real-time multiplayer UNO card game built with React and Val Town.

• Classic UNO gameplay with standard rules
• Real-time multiplayer functionality
• Game rooms for multiple concurrent games
• Special card actions (Skip, Reverse, Draw 2, Wild, Wild Draw 4)
• Visual card deck and player hands
• Turn management and game state synchronization

├── backend/
│   ├── index.ts             # Main HTTP entry point
│   ├── game.ts              # Game logic and state management
│   └── room.ts              # Room management for multiple games
├── frontend/
│   ├── components/
│   │   ├── App.tsx          # Main React component
│   │   ├── Card.tsx         # UNO card component
│   │   ├── GameBoard.tsx    # Game board display
│   │   ├── PlayerHand.tsx   # Player's cards display
│   │   └── GameControls.tsx # Game action buttons
│   ├── index.html           # Main HTML template
│   └── index.tsx            # Frontend entry point
└── shared/
    ├── types.ts             # Shared type definitions
    └── constants.ts         # Game constants and configurations

1. Create or join a game room
2. Wait for other players to join
3. Play cards matching the top card's color or value
4. Use special cards to skip turns, reverse direction, or make opponents draw cards
5. Call "UNO" when you have one card left
6. First player to play all their cards wins

• Players take turns playing cards that match the top card's color or value
• Special cards:
  • Skip: Next player loses their turn
  • Reverse: Reverses the direction of play
  • Draw 2: Next player draws 2 cards and loses their turn
  • Wild: Player chooses the next color to be played
  • Wild Draw 4: Player chooses the next color, and the next player draws 4 cards and loses their turn
• If a player cannot play a card, they must draw from the deck
• Players must call "UNO" when they have one card left
• First player to play all their cards wins the round