Portal 2 (inclu All | Dlc)

: Adds a third portal (the Time Portal) to travel between two different timelines. Get Peer Review DLC - Xbox

: An intuitive "blueprint" style interface that allows you to drag and drop cubes, gels, and turrets to build your own chambers. Portal 2 (Inclu ALL DLC)

: A professional-grade prequel with a full story and challenging puzzles. : Adds a third portal (the Time Portal)

: Over 20 unique chambers (12 single-player, 8 co-op) designed specifically for motion controls. : Over 20 unique chambers (12 single-player, 8

: A new cooperative track for ATLAS and P-Body . You assist GLaDOS in hunting a "mysterious intruder" within Aperture.

Released as the first major update, this expansion focuses on expanding the story after the main campaign ends.

Because the "Complete" experience often involves the modding community, these free standalone titles are highly recommended: