Portal 2 PS3 Edition To Have Cross-Platform Play, Other Steam Features | TechCrunch
Amazon.com: Portal 2 - Playstation 3 : Video Games
E3 10 Preview: Portal 2 And Surprise Its Coming To PS3 - MonsterVine
Portal 2, valve, ps3, portal, xbox 360, game, pc, HD wallpaper | Peakpx
Buy Portal 2 PS3, get PC/Mac version free & Steam support – Destructoid
Just posting again from mildly interesting because someone said it would fit here anyway I just realised my ps3 copy of portal 2 lets you play on steam for free. : r/Portal
Portal 2 | PS3 vs XBOX 360 vs PC (Which One is Better!) - YouTube