Valve talks Portal 2 on PlayStation 3, Steam on 360 | Ars Technica
Portal 2 on Steam
Portal 2 PS3 Edition To Have Cross-Platform Play, Other Steam Features | TechCrunch
Does anyone know the name of the PS3 menu theme for Portal 2? : r/Portal
Portal 2 | PS3 vs XBOX 360 vs PC (Which One is Better!) - YouTube
PS3 Steam Features for Portal 2 Revealed - SonyRumors
Amazon.com: Portal 2 - PC : Video Games
Portal 2 (PC) CD key for Steam - price from $6.50 | XXLGamer.com
Portal 2' now available for PC, Xbox 360, PS3 | Digital Trends
Portal 2 - PlayStation 3 | Valve | GameStop
Steam's The Real Deal For PS3 Portal 2 | TechCrunch
Getting Portal 2 for PS3 seemed like a good idea at the time, what with getting it on Steam for free. : r/gaming
Portal 2 PC Review
Portal 2 PS3 MANUAL ONLY Original Authentic Playstation | eBay
PS3 Steam Portal 2 - YouTube
Amazon.com: Portal 2 - Playstation 3 : Video Games
Portal 2 PS3: Redeeming the PC copy - YouTube
Portal 2 Playstation 3 PS3 - Complete / CIB Tested + Working 151903088265 | eBay
How to Link & Play your Portal 2 PS3 Copy on Steam - Just Push Start
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Portal 2 | Portal 2 for the PlayStation 3 with Steamworks fe… | Flickr
Portal 2 to feature PS3-PC/Mac cross-platform play, Steam key included with PS3 version | VG247
How Does Steam Work On the PS3? - GameRevolution
Portal 2 Complete (Sony PlayStation 3) Excellent Condition & Tested 151903088265 | eBay
Portal 2 - Wikipedia
Amazon.com: Portal 2 - Playstation 3 : Video Games
