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EternAlgoRhythm

ActionPCSoloDemo Live

About this game

A 10-key rhythm game where both the notes you hear and the notes you play are procedurally generated. Tap and hold notes through eternal, ever-changing melodies! Demo with 5 collections, 20+ tracks.

Install the free Steam demo.

Last checked 9 Nov 2026

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EternAlgoRhythm

A 10-key rhythm game where both the notes you hear and the notes you play are procedurally generated. Tap and hold notes through eternal, ever-changing melodies! Demo with 5 collections, 20+ tracks.

Available on Steam (PC) — Demo Live, checked 9 Nov 2026.

More about EternAlgoRhythm

EternAlgoRhythm is a 10-key rhythm game where both music and charts are procedurally generated together to ensure synchronization. Inspired by piano improvisation, it uses 10 keys (higher notes on right, lower on left) with adjustable key counts. The game features dynamic, ever-changing melodies that follow patterns but avoid memorization through constant procedural updates. No full combos, memorization, or fixed charts exist—instead, it offers streaks, chains, grace, and excellence combo types. The demo includes 5 collections and 20+ tracks, with future expansions planned for 12+ collections and Steam integration.

Availability historyPast official availability changes
  • BuySteam · PC · 11 Oct 2026
  • Demo LiveSteam · PC · 11 Oct 2026