3rd YearIntermediateGame 4-6 weeks
Multiplayer Quiz Game with WebSockets
A Kahoot-style live quiz where a host runs a game and players join with a code, answer timed questions, and climb a real-time leaderboard.
ReactNode.jsSocket.IORedis
Find GitHub repos & source code →How to build it — step by step
- 1Lobby: Host creates a game with a join code; players connect and appear in a live lobby.
- 2Game loop: Push questions with countdowns; collect answers and score by correctness and speed.
- 3Leaderboard: Update and broadcast standings after each question.
- 4State: Keep authoritative game state on the server in Redis to survive reconnects.
Key features to implement
- ✓Join-by-code lobby
- ✓Timed questions
- ✓Speed-based scoring
- ✓Live leaderboard
- ✓Reconnect handling
💡 Unique twist to stand out
Add power-ups (double points, 50/50) and a spectator mode that streams the game without participating.
🎓 What you'll learn
Authoritative server design, real-time game loops, scoring systems, and reconnection logic.