O2Jam is a free Korean massively-multiplayer online rhythm game. The gameplay is similar to Beatmania: notes scroll down the side of the screen which players must play by pressing the correct key at the correct time. O2Jam is different from most rhythm games as pressing keys causes sounds to play, as if you were playing the song on a keyboard.

The game is currently available through numerous distributors. The international edition is published through e-Games Global.

Website: O2Jam.com.my

Category: Massively-multiplayer online rhythm game

Developer: O2Media, Inc.