The "Portal 2 Perpetual Testing Initiative" is new downloadable content that lets you build your own puzzles in "Portal 2" and share them with your friends. In-Game's Todd Kenreck reports.
The "Portal 2 Perpetual Testing Initiative" is new downloadable content that lets you build your own puzzles in "Portal 2" and share them with your friends. In-Game's Todd Kenreck reports.