Portal 2 PS3 Edition To Have Cross-Platform Play, Other Steam Features | TechCrunch
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Portal 2 to have PC & PS3 Co-op - SteamUnpowered
Valve: "Playstation 3 and PC cloud saves are separate and cannot be shared". I'm angered by how often cross platform save sharing in Portal 2 was reported (I'm looking at you, Game
Is Sony thinking about buying Valve and Steam for the PlayStation 5?
Valve talks Portal 2 on PlayStation 3, Steam on 360 | Ars Technica
Portal 2 • PS3 – Mikes Game Shop
How Does Steam Work On the PS3? - GameRevolution
Portal 2 PS3: Redeeming the PC copy - YouTube
Getting Portal 2 for PS3 seemed like a good idea at the time, what with getting it on Steam for free. : r/gaming
Steam On PS3: It's A Doddle | TheSixthAxis
Valve Reveals Portal 2 for PlayStation 3: Steam Details – PlayStation.Blog
Steam for PS3 Portal 2 detailed - GameSpot
Buy Portal 2 for PS3 and get the Mac version for free
PS3 Cheats - Portal 2 Wiki Guide - IGN
Steam's The Real Deal For PS3 Portal 2 | TechCrunch
Portal 2 on PS3: How to redeem the free Steam copy for your PC
Valve hopes Steam for PS3 will support more than Portal 2 – Destructoid
Steam Community :: Guide :: How to play Local Co-op with Controller + Keyboard
Portal 2 PS3 code anyone? Enjoy. : r/gaming
Steam Community :: Guide :: How to play Local Co-op with Controller + Keyboard
PS3 Steam Portal 2 - YouTube
