# bemusic/bemuse

⬤▗▚▚▚ Web-based online rhythm action game. Based on HTML5 technologies, React, Redux and Pixi.js.

Repository: https://github.com/bemusic/bemuse
Canonical: https://ross.abutalabs.com/products/bemuse
Homepage: https://bemuse.ninja/
Language: TypeScript
License: AGPL-3.0
License Family: copyleft
Topics: javascript, rhythm-game, react, redux, pixi, html5, bmson, bms, scss, typescript, docusaurus, hacktoberfest, rushjs
Last push: 2026-07-27T11:48:16+00:00

## Health v2 (maintenance only)
Score: 84/100 (v2, computed 2026-09-03T02:39:23.370411+00:00)
- activity 94, release rhythm 63, longevity 100
- inputs: {"age_days": 4300, "days_push": 37, "days_rel": 37, "gap_med": null, "n_releases_24m": 1}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1241, forks 158 (observed 2026-08-28T04:04:06.248580+00:00)

## What it is
Bemuse is an open-source, web-based online rhythm action game that plays songs in BMS/BMSON format directly in the browser. It is built with HTML5 technologies including React, Redux, and Pixi.js, and features online rankings, party mode, and keyboard-based 7-key gameplay.

## Use cases
- play BMS rhythm game songs in the browser
- play custom BMS song folders without installing anything
- compete on online rhythm game leaderboards
- play a 7-key keyboard rhythm game
- play rhythm games with friends in party mode
- find and play community-published BMS songs online

## When to choose
- you want to play BMS/BMSON songs instantly in a browser with no install
- you want an open-source rhythm game with online rankings and multiplayer party mode
- you want to study how a full HTML5 game is built with React, Redux, and Pixi.js

## When to avoid
- you need offline desktop rhythm game features or native performance
- you want to play formats other than BMS/BMSON
- you use a browser other than Chrome, which is the recommended environment

## Facets
- artifact type: application
- maturity: active
- function: game-engine, graphics, audio-processing, state-management, ui-components
- domain: gaming-tools, web-development, frontend, entertainment
- platform: browser, cross-platform
- tags: rhythm-game, bms, bmson, pixijs, react, redux, html5-game, music-game, online-ranking, keyboard-controls, game-development, web-server

## Member repositories
- bemusic/bemuse (main) score 84

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:06.248580+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T05:08:28.330128+00:00, confidence not recorded.
  - readme: https://github.com/bemusic/bemuse (fetched 2026-08-28T04:04:06.248580+00:00, sha d972b73d5cda)
  - homepage: https://bemuse.ninja/ (fetched 2026-08-29T12:20:23.826064+00:00, sha 643ffdcdac7a)
- Data as of 2026-08-30T08:39:29.467469+00:00.