Antichamber is described as 'A unique puzzle game that totally ignores normal Euclidean geometry. Cubes that contain something different depending on which way you look into it, stairs that go up and down but arrive at the same place, things that are bigger on the inside, etc' and is a Puzzle Game in the Games category. There are five games similar to Antichamber for a variety of platforms, including Mac, Windows, Linux, Steam and Android. Most alternatives are Puzzle and Adventure Games. The best alternative is Portal. It's not free, so if you're looking for a free alternative, you could try Maestria. Other Antichamber like games are Monument Valley (Paid), FEZ (by POLYTRON) (Paid) and Transcripted (Paid).
Portal™ is a puzzle game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative games on the horizon and will offer gamers hours of unique gameplay. Represent entire series of Portal games.
FEZ is a game developed by POLYTRON. In it, you play as Gomez, a 2D creature living in what he believes is a 2D world. Until a strange and powerful artifact reveals to him the existence of a mysterious third dimension!
Transcripted is a mixture of two incredibly addictive and popular casual gaming styles: the dual-stick shooter and the match three puzzle game. In Transcripted players take control of the Nano Probe, a microscopic apparatus used to combat disease.