Echochrome II[a] (stylised as echochrome ii) is a 2010 puzzle action game developed by Japan Studio and published by Sony Computer Entertainment for the PlayStation 3.

[2] The game's soundtrack holds the record for the longest piece of music ever composed for a video game, at one hour, fifteen minutes, and seven seconds.

[4] Players use the PlayStation Move motion controller and the PlayStation Eye camera to rotate levels and control light and shadows.

The PlayStation Move controller functions as a light source in the game, and by pointing the light source at different angles to the objects in each level, players can manipulate the shadows of the objects to give the mannequin a path to the goal.

This puzzle video game-related article is a stub.