Amplitude, the sequel to Frequency, is a fast-paced music game with over 25 levels, customizable avatars, online play with up to 4 players, and remixing. The point of the game is to play the notes to the beat while moving between different musical tracks for each song. When beginning a game, players have a few songs to choose from. More songs and items to visually customize the player character have to be unlocked. The soundtrack consists of songs by popular artists, including P.O.D. (remixed by The Crystal Method), Freezepop, Blink-182, Garbage, Weezer, David Bowie, Symbion Project, Run-DMC, Pink, Papa Roach, Slipknot and others.