Suzy Cube - Delightful 3D platforming adventure with adorable, low-poly visuals.
Clone Hero - Clone Hero is a free rhythm game, which can be played with any 5 or 6 button guitar controller...
Samorost - Samorost 1, Adventure Game from Amanita Design
Osu - Osu is Music, Rhythm, Single and Multiplayer video game developed by Dean Herbert.
Gathering Sky - Gathering Sky is an Adventure-based, Puzzle, Exploration and Single-player video game by A Stanger Gravity.
StepMania - Rhythm game for Windows, Mac, and Linux.