Portal 2 - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game
Portal 2 DLC will be free for PC, Mac, PS3 and Xbox 360 – Destructoid
Portal 2 PS3, Steam cross-platform play | Eurogamer.net
Dragon's Crown - Wikipedia
List of all Playstation 3 cross-play games currently available.
Found My Old PS3 Portal 2 Disk : r/valve
Replacement Case (NO GAME) PORTAL 2 PLAYSTATION 3 PS3 - | eBay
Portal 2 to be cross-platform, PS3, PC and Mac | TweakTown
Portal 2 In Motion for PSN: Debut Trailer - YouTube
Portal 2 first game to have cross platform multiplayer
Portal 2 on PS3 was the only Valve game on console to be cross play and cross progressions with PC via logging into steam on your PS3 and you'd get steam achievements +
Portal 2 (PS3 / PlayStation 3) Game Profile | News, Reviews, Videos & Screenshots
Co-Optimus - News - Use Your PlayStation Move in Portal 2 Today
PORTAL 2 on ps3 : r/PS3
Co-Optimus - Screens - Portal 2 Between Consoles, No Difference in Gameplay or User Content