Portal 2: Unlockable Avatar Awards for Xbox 360
In Portal 2 for the Xbox 360, there are several items you can unlock for your Avatar by completing certain...
Portal 2: Achievements List
There are fifty achievements in Portal 2 for the Xbox 360 for a total of 1000 gamer points. Here is...
Portal 2: Official Release Date
The highly anticipated sequel to the hit game Portal was moved back recently. The latest release date for Portal 2...