: Also hosts a downloadable demo and the full version. System Requirements (PC)

: Offers a version with no activation or online connection required to play.

To download without DRM (Digital Rights Management), you can purchase it through GOG.com , which provides DRM-free installers for the game. Official Purchase & Download Options

While GOG is the primary source for a DRM-free version, the game is also available on other major PC platforms:

: You control four different characters—an architect, an FBI agent, a journalist, and a private detective—as they hunt for the "Origami Killer".

: Available for purchase and includes a free playable demo .