How to Link & Play your Portal 2 PS3 Copy on Steam - Just Push Start
Portal 2 PS3 MANUAL ONLY Original Authentic Playstation | eBay
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Portal 2' now available for PC, Xbox 360, PS3 | Digital Trends
Portal 2 - Wikipedia
PS3 Steam Portal 2 - YouTube
Portal 2 Playstation 3 PS3 - Complete / CIB Tested + Working 151903088265 | eBay
PS3 Cheats - Portal 2 Guide - IGN
PC, PS3 Owners Can Play Portal 2 Together | WIRED
Steam for PS3 Portal 2 detailed - GameSpot
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 - PlayStation 3 | Valve | GameStop
Steam's The Real Deal For PS3 Portal 2 | TechCrunch
How Does Steam Work On the PS3? - GameRevolution
Amazon.com: Portal 2 PS3 : Video Games
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