Portal 2 sold better on PC than Xbox 360 or PS3 – Destructoid
Amazon.com: Portal 2 - Playstation 3 : Video Games
Portal 2 PC finally gets split-screen co-op • Eurogamer.net
Portal 2 - Wikipedia
PS3 Portal 2 buyers get PC version free - GameSpot
Co-Optimus - News - How to Play Portal 2 Split Screen on Your PC
Portal 2 Preview for PlayStation 3 (PS3)
50 Best PS3 Co-Op Games of All Time
Portal 2 - PlayStation 3 | PlayStation 3 | GameStop
lot 11 Sony PlayStation 3 ps3 games Portal 2 skyrim fallout uncharted dead space | eBay
Portal 2 - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game
Best Buy: Portal 2 Standard Edition PlayStation 3 9889
Portal 2 (PC, Xbox 360, PS3) - GadgetGuy
How to Link & Play your Portal 2 PS3 Copy on Steam - Just Push Start
PC, PS3 Owners Can Play Portal 2 Together | WIRED
Portal 2 first game to have cross platform multiplayer
Steam Community :: Guide :: How to play Local Co-op with Controller + Keyboard
Amazon.com: Portal 2 PS3 : Video Games
Portal 2 on the PS3 Has Cross-Platform Multiplayer with PC and Mac
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Amazon.com: Portal 2 - Playstation 3 : Video Games
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
