2 (inclu All Dlc) - Portal

: An intuitive "blueprint" style interface that allows you to drag and drop cubes, gels, and turrets to build your own chambers.

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

: Access to over 600,000 community-made maps . You can browse, vote, and play an endless stream of content. Portal 2 (Inclu ALL DLC)

This transformed the game's longevity by introducing the .

: Introduces "One-to-One" object manipulation, allowing you to rotate , scale , and reach with objects in 3D space. : An intuitive "blueprint" style interface that allows

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

The "Complete" edition typically refers to the base game along with the three primary official expansions. 1. Peer Review (DLC 1) You can browse, vote, and play an endless stream of content

A specialized expansion originally developed for motion-tracking hardware (Razer Hydra or PlayStation Move).