If you've ever seen some of M. C. Escher's paintings, you probably know what "impossible" looks like. If you play through Alexander Bruce's Antichamber, you'll know what "impossible" feels like... and also how to beat it! Set in a convoluted world where you can never be too sure which way is up, Antichamber challenges you to cast aside your usual video game logic and face a plethora of mind-bending puzzles that will have you rethinking what "impossible" means.