Portal 2 : Perpetual Testing Initiative Trailer

Introducing the Perpetual Testing Initiative (PeTI) for Portal 2, which combines the powerful, easy-to-use Puzzle Maker and full Steam Workshop integration.
Views: 823
Length: 01:43
Comments: 0
Posted on: 28.04.2012
Genre: Action
Available on: PC, PS3, Xbox360
Copy and paste this code to embed

Find other latest videos in: Puzzle, Science Fiction, First-Person