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Could be interesting
A musical 2048 variant centered around the circle of fifths.
An abstract, rhythmic platformer with time-travel elements.
A music-based typing game.
A... well, advent calendar.
A colorful and unique rhythm/music game for the iPhone and iPod touch that uses isometric pixel art to a great degree.
Dokee and the musical rain is an XNA community game available over Xbox Live Marketplace. It is a 3D platform game.
DrumKit is an XNA community game
Flex your clicky finger as you jump, fly and flip your way through dark caves and spiky obstacles. Discover the lands, play online levels and find the secrets hidden within the World of Geometry Dash!
Drum XPlosion is an Xbox Live Indie Game.
A game where players can edit pictures. It requires a 3D T.V.