Early versions of osu! were a mostly isolated experience, with no online leaderboards for anything until 6 October 2007, when for public online rankings was added for osu!. Since then, all game modes have received their own online rankings. 644u1b
Numerous players have held rank #1 in each game mode under different ranking systems. The current system used by all game modes for online rankings is ppv2.
Main page: osu! rankings history
As of 3 August 2024, on the osu! performance rankings the rank #1 player is mrekk.
As of 19 June 2024, on the osu!taiko performance rankings the rank #1 player is shinchikuhome.
As of 2 November 2024, on the osu!catch performance rankings the rank #1 player is qwhj79.
As of 31 December 2024, on the osu!mania performance rankings the rank #1 player is Kalkai.