Bemuse

github.com/bemusic/bemuse Browser Games Open-source projectOpen source

Bemuse provides an HTML5 rhythm action game that can be played online through a browser.

github.com/bemusic/bemuse
Bemuse homepage screenshot

About Bemuse

Bemuse is an open-source, web-based rhythm game that plays songs in BMS format. Players can play online songs in a browser or load custom songs by dragging a folder containing BMS files into the game.

It supports 7-key keyboard play and 7-key plus turntable BMS mode with IIDX or MIDI controllers. It includes scoring and grading, online ranking, party mode for synchronized play, and options for note speed, layout, and audio latency. Chrome is recommended for play.

Key features

  • Plays BMS-format songs in browser
  • Play custom songs by dragging BMS folder into game
  • Online ranking system to compare scores with other players
  • Party mode to start songs at same time with friends
  • Adjustable note speed, play area size, and panel position
  • Supports 7-key keyboard mode and 7-key + turntable BMS mode
Best for: Players who want to play BMS songs in a browser and developers working with its open-source code.
Good for
  • Open-source code with separate BMS parsing and hosting libraries
  • Each note has its own sound that affects the music during play
  • Audio latency calibration and adjustable note layout options
Watch out for
  • Play is recommended on Google Chrome
  • Online ranking features are not available in development setup

Bemuse at a glance

Category
Gaming › Browser Games
Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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Bemuse

bemuse.ninja

Bemuse provides an online rhythm game that players can access in a browser without installing software.

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Bemuse FAQ

How do I play custom songs?
Drag a folder containing BMS files into the game screen.
Where can I play the hosted game?
Play now at https://bemuse.ninja/.
What input modes are supported?
7-key keyboard mode and BMS mode with 7 keys plus turntable using an IIDX or MIDI controller.
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