It was released in April 2011 for Windows, Mac OS X, Linux, PlayStation 3, and Xbox 360. Portal 2 is a puzzle-platform game developed by Valve. I won't tell you if one is better than other, but if you play Portal 2 first, maybe you won't understand Portal 2 totally. Yes, you should play Portal 1 before portal 2. Valve's Portal 2, the long-awaited sequel to 2007's landmark Portal, was one of the most eagerly awaited games of the year. This article is going to discuss many aspects of Portal 2 in detail. Portal 2 is certainly a good game, and is definitely more clever than most. Frequently Asked Questions Is Portal 2 really a good game?
