PixlBit

CONTRAST is a platform/puzzle game where you can move between a fantastic 3D world and a mysterious shadowy universe in 2D. You play Dawn, the imaginary friend of a young girl named Didi. Together, they will delve into a dreamlike and surreal 1920s world, inspired by the performance art world of vaudeville and film noir, and cradled by a jazzy atmosphere.

"The Bridge" is a mind-bending Xbox LIVEpuzzler published by Midnight City with jaw-dropping art in the style of M.C. Escher, who's known for creating impossible designs. In "The Bridge" you must "unlearn what you have learned" as Yoda from "Star Wars" would say, because you'll have to figure out how to transverse through inconceivable problems. Using the controller's triggers will allow you to rotate the screen and manipulate gravity, which pretty much everything in the game revolves 

Both of these games are excellent games and definitely worth at least checking out the demo at the very least.