Portal 2 Download for PCOn: PC, Xbox 360, PS3
Full-fledged follow-up to the first-person puzzle game.
Download: Portal 2: Perpetual Testing Initiative DLC Trailer
Category: HD Video
Introducing the Perpetual Testing Initiative (PeTI) for Portal 2, which combines the powerful, easy-to-use Puzzle Maker and full Steam Workshop integration. Available free for the PC and Mac on May 8th.
File Size: 39.01 MB