This is a development instance of the rūrusetto. Some function in dark mode like color inversion will not work here and status page will not be updated. Go to public site, for a more complete experience.

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Sandbox

Latest Release : June 1, 2021
A ruleset that make fun with osu!framework.
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hitokori

Latest Release : May 15, 2021
A custom osu! ruleset based on a dance of fire and ice
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tau

Latest Release : May 14, 2021
A customize osu! ruleset with a circle surrounding a paddle and some notes.
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touhosu

Latest Release : May 14, 2021
A custom osu! ruleset based on Touhou Project games.
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gamebosu

Latest Release : May 13, 2021
🕹 A custom ruleset for osu!lazer that adds a playable gameboy.
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Yoso

Latest Release : May 13, 2021
A custom osu! ruleset based on A Dance of Fire and Ice.
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bosu

Latest Release : May 2, 2021
A custom game mode for osu!lazer project based on ”I wanna be the Boshy” game
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sentakki

Latest Release : May 2, 2021
A custom ruleset based on Sega’s arcade rhythm game maimai
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swing

Latest Release : May 2, 2021
A custom game mode for osu!lazer project.
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solosu

Latest Release : April 29, 2021
A custom osu! ruleset based on solous
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soyokaze!

Latest Release : April 20, 2021
An osu! ruleset mimicking Genshin Impact’s Ballads of Breeze mini-game.
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cytosu

Latest Release : April 17, 2021
Cytus-like game mechanics within osu!lazer as a ruleset
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rush!

Latest Release : April 14, 2021
Custom ruleset for osu!lazer, based loosely on Muse Dash.
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osu!DIVA

Latest Release : April 4, 2021
A recreation of Hatsune Miku: Project DIVA as a custom mode for osu!
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hishigata

Latest Release : March 14, 2021
A ruleset based on Project Rhombus.