Steam On PS3: It's A Doddle | TheSixthAxis
Portal PS3 And Steam Code Can Be Used Separately | N4G
Valve talks Portal 2 on PlayStation 3, Steam on 360 | Ars Technica
Portal 2 - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game
PS3 Steam Portal 2 - YouTube
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 code anyone? Enjoy. : r/gaming
Portal 2 PS3: Redeeming the PC copy - YouTube
PC, PS3 Owners Can Play Portal 2 Together | WIRED
Buy Portal 2 PS3 Game Code Compare Prices
Valve Details Steam Features for Portal 2 on PS3 - The Escapist
Valve bringing Steam-supported Portal 2 to PS3 in April - CNET
Portal 2 for PC or Mac Computer digital code only | eBay
Portal 2 - Wikipedia
Amazon.com: Portal 2 - Playstation 3 : Video Games
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Valve's Erik Wolpaw on Portal 2's difficulty, PS3 Steam features | Engadget
Steam Community :: Guide :: How to play Local Co-op with Controller + Keyboard
Steam for PS3 Portal 2 detailed - GameSpot
Portal 2 on PS3: How to redeem the free Steam copy for your PC
Getting Portal 2 for PS3 seemed like a good idea at the time, what with getting it on Steam for free. : r/gaming
Is Sony thinking about buying Valve and Steam for the PlayStation 5?
Portal 2 to have PC & PS3 Co-op - SteamUnpowered
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Portal 2 on PS3 features cross-platform chat, multiplayer and a free Steam copy | Engadget
Portal 2 PS3 Edition To Have Cross-Platform Play, Other Steam Features | TechCrunch
Steam Community :: Guide :: How to play Local Co-op with Controller + Keyboard
PC, PS3 Owners Can Play Portal 2 Together | WIRED
