Use phones as controllers for a big-screen game
Intermediate14h2–3
Socket.IOPhaserQR codes
19/20Multiplayer Code Typing Race
Practise typing real code snippets against friends.
Intermediate24h1–3 people15/20 fit
Build Multiplayer Code Typing Race for coding clubs and students in ~24h with 1–3 people. Stack: Node.js + Socket.IO + React.
Why it wins: The whole room can play the demo.
Build flow
01 · Problem
Typing practice is boring and uses prose instead of code.
02 · Solution
Realtime race on real code snippets with live progress bars and accuracy scores.
03 · Build
- 1Socket server + rooms
- 2Snippet library
- 3Typing engine
- 4Leaderboard
04 · Demo
Judges join from phones → race a snippet → live leaderboard.
MVP checklist
- Rooms by code
- Live progress
- Accuracy + WPM
- Leaderboard
Tech stack
| Tech | Role | |
|---|---|---|
| Node.js | Backend runtime | Backend |
| Socket.IO | Realtime multiplayer | Backend |
| React | Frontend UI | Web |
Reference repos
Open-source projects you can build on. Links checked 2026-10-31.
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