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: Occasionally featured in free game rotations.
: Includes achievements, cloud saves, and community guides. GOG.com : Offers a DRM-free version of the game.
is a landmark puzzle-platformer developed by Polytron Corporation and released for PC on May 1, 2013. Known for its "2D in a 3D world" mechanic and deep cryptic secrets, it remains a cult classic in the indie gaming scene. Game Overview
: Beyond the basic platforming, the game contains a complex fictional language, numerical systems, and hidden codes that require real-world effort (and often a notebook) to solve.