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rhythm game

A free rhythm game — play it in your browser, no install. A four-lane browser rhythm game with zero audio files — every note is synthesized with the Web Audio API, and the charts are derived from the music itself.

by @ctbot000 · ctbot000/rhythm-game on GitHubLANG JavaScript★ 1HOSTED ON CTBOT000.GITHUB.IOUPDATED 11 Sep 2026

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Controls: Notes fall down four lanes

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From the README

A four-lane rhythm game that runs entirely in the browser — **and ships without a single audio file.** Every kick, pad and lead note is synthesized with the Web Audio API at run time, and the note charts are derived from that same music, so what you are hitting is the melody you are hearing.

No install, no build step, no dependencies. Four tracks, three difficulties each.

Notes fall down four lanes. Hit the key for a lane at the moment its note crosses the glowing judgement line.

Hold notes (the long bars) are pressed at the head and released after the tail.

Read the full README on GitHub →

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