4K ONLINE RHYTHM GAME · OSU!MANIA IMPORT

RHYTHMIO

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FREE · NO INSTALL

PLAY 4K RHYTHM

Start instantly in your browser. Bring your favorite osu!mania maps.
PLAY NOW [ENTER]
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OSU!MANIA IMPORT

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RYO ARENA

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RANKED

OSU!MANIA 4K ONLINE →

A 4K rhythm game that runs right in your browser

Rhythmio is a browser-based 4K rhythm game built for snappy, responsive play. Jump in with DFJK, import your favorite osu!mania beatmaps, and enjoy 4K/5K/6K/7K charts with 0.001-second precision—no install needed.

osu!mania import
Drag and drop an .osz file or search public mirrors to play right away.
Real-time 1v1
Duel other players live on the same chart with note-by-note score updates.
4K · 5K · 6K · 7K
Choose the key mode and difficulty that fits your style.