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osu! logo
Original author(s)Dean Herbert
Initial releaseSeptember 16, 2007; 11 years ago (2007-09-16)
Stable release
2018.1212.2 / December 12, 2018; 1 day ago (2018-12-12)
Preview release
2018.901.0 / September 1, 2018; 3 months ago (2018-09-01)
Written inC#
Operating systemMicrosoft Windows
Linux (osu!lazer)
iOS (osu!stream)
Windows Phone
Android (Unofficial)
TypeRhythm game

osu! is a free and open-source rhythm game developed and published by Australian-based company PPY Developments PTY,[1] created by Dean Herbert (also known as peppy). Originally released for Microsoft Windows on September 16, 2007, the game has also been ported to macOS (however might be unstable), and Windows Phone. Its gameplay is based on commercial titles including Osu! Tatakae! Ouendan, Elite Beat Agents, Taiko no Tatsujin, Beatmania IIDX, O2Jam, and DJMax.

The primary emphasis of gameplay is to adapt and react to stimuli in the form of clicking or tapping on hit circles, which requires good Eye–hand coordination. These hit circles have other forms, such as sliders and spinners which are interacted with in similar ways. These different gameplay mechanics are part of a beatmap. Beatmaps are a combination of a song, button layout as well as themes or cosmetic skins to make each beatmap unique. These are typically created by other users and typically feature varying difficulties.

osu! also includes a ranked system for users to compete against one another, with rankings displayed on the official leaderboards.[2] Players can also play casually with friends or other users for friendly competition, where all players play the same song at the same time. As of 2018, there have been 8 osu! World Cups, 4v4 tournaments, where victors have won prizes such as money, special benefits, free subscriptions, etc.[3]

Jeuxvideo.com reviewed osu! favorably with 18/20 points in 2015.[4] In 2010, MMOGames.com reviewer Daniel Ball said that while the game was very similar to Elite Beat Agents, it was differentiated by its community's large library of high-quality community made content and customization.[5]

There are four official gamemodes osu!, osu!Mania, osu!Catch, and osu!Taiko.[6] In the main game mode of osu!, the player clicks circles, slide on sliders and spin spinners which are displayed on the screen in time to music. Other gameplay modes and mods add additional gameplay features or change difficulty.


  1. ^ "Historical details for ABN 13 160 454 786". ABN Lookup. Australia: Australian Business Register. January 3, 2013. Archived from the original on September 3, 2018. Retrieved September 3, 2018.
  2. ^ https://osu.ppy.sh/rankings/osu/performance
  3. ^ https://osu.ppy.sh/help/wiki/Tournaments/
  4. ^ Test : Osu! Archived June 21, 2017, at the Wayback Machine. on jeuxvideo.com (2015) (in French)
  5. ^ Ball, Daniel (April 27, 2010). "Online rhythm and music game Osu! reviewed - MMOGames.com". MMOGames.com. Archived from the original on October 22, 2018. Retrieved October 22, 2018.
  6. ^ "List of Game Modes". Archived from the original on November 18, 2018. Retrieved October 17, 2018.

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