Draw shapes that become physical objects to guide a ball to the goal
Intermediate16h1–2
PhaserMatter.jsJavaScript
17/20Rhythm Game from Any Song
Upload a song and play a rhythm game generated from its beats.
Intermediate16h1–2 people17/20 fit
Build Rhythm Game from Any Song for casual gamers and music fans in ~16h with 1–2 people. Stack: Web Audio + Phaser + JavaScript.
Why it wins: Fun audio processing with instant play.
Build flow
01 · Problem
Rhythm games only work with licensed track lists.
02 · Solution
Analyse the audio for beats and onsets with Web Audio, generate note charts by difficulty and score timing accuracy.
03 · Build
- 1Decode audio
- 2Detect onsets
- 3Generate charts
- 4Build gameplay
04 · Demo
Upload a song and play it live.
MVP checklist
- Beat detection
- Difficulty levels
- Timing scores
- Leaderboard
Tech stack
| Tech | Role | |
|---|---|---|
| Web Audio | Audio analysis + synthesis | Device |
| Phaser | Game engine | Game |
| JavaScript | Game / app logic | Web |
Reference repos
Open-source projects you can build on. Links checked 2026-10-31.
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