Bemuse is an open-source, online, web-based rhythm game. It plays songs in BMS format (See: Introduction to BMS).
It is recommended to play this game on Google Chrome.
Table of contents:
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You can play online songs instantly in your browser.
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You can play custom songs by dragging a folder containing BMS files into this screen. There are over 5,000 songs published in BMS format by the community worldwide. You can find them using BMS Search.
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There’s an online internet ranking system. You can compete with other players and see your rank online.
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It has an insane tutorial.
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Keyboard mode (7-keys). Play along the music with your keyboard.
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Fully key-sounded. Each note has its own sound. The music will be affected by your game play.
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Player together with friends using party mode. It helps you start the game at the exact same time.
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Multiple difficulties. Each song has multiple difficulties to accommodate every player skill levels.
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Adjustable speed. You can adjust the speed (spacing) of the notes to make it easy-to-sightread. This does not affect the speed of the song; lowering the speed causes notes to become more dense on-screen.
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Scoring and grading system. Master the song to get the S grade (score over 500000).
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BMS mode (7-keys + turntable). You can play using an IIDX controller or MIDI controller.
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HD video support. Some songs will have a background animation in high-definition (720p).
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Adjustable play area size. If the gameplay area is too long, you can adjust the cover it to make the play area more easy-to-sightread.
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Early/Late indicator. Bemuse will tell you if you press the note too early or too late.
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Adjustable panel position. You can position the note panel on either side of the screen, or put it at the center.
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Adjustable turntable position. You can put turntable on the left or on the right (BMS mode only).
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Audio latency compensation. Some systems may have audio latency. Bemuse contains a calibration system to compensate for the audio latency.
Play now at https://bemuse.ninja/.
Install Node.js
# Install Rush
npm install --global @microsoft/rush
# Clone Bemuse
git clone https://github.com/bemusic/bemuse.git
# Enter the main repository
cd bemuse
# Install the dependencies
rush update
# Prepare all sub-projects
rush build --to-except bemuse
# Start development server
rush dev
Note: Online ranking features are not available.
This repository holds the code for other sub-projects, which are available for use on npm.
| Project name | Badge | Description |
|---|---|---|
| bms |  |
JavaScript BMS parser |
| bmson |  |
JavaScript bmson parser |
| bemuse-tools |  |
Tools for hosting your own music server. |
| bemuse-indexer |  |
Library for scanning a directory for BMS/bmson files and generate a metadata. |
| bemuse-notechart |  |
Library for loading a notechart for use in game. |
AGPLv3. Note that this license only applies to the main Bemuse project, not the sub-projects, which has its own license terms (mostly MIT).