Parenthesis_Liker rated Portal 2: 5 stars
Portal 2 by Ted Kosmatka, Michael Avon Oeming, Andrea Wicklund, and 1 other
To help develop the history of Aperture Science, and the span of time between Portal and Portal 2, Valve expanded …
To help develop the history of Aperture Science, and the span of time between Portal and Portal 2, Valve expanded …