You Can Now Play Portal 2 Co-op with 32 Other Players - GameRevolution
Portal 2 In Motion' blurs the line between your Portal gun and you - Polygon
Valve “gunning for” PS3 and PC cross-platform play for Portal 2 - Gematsu
Portal 2 (Sony PlayStation 3, 2011) All Original Inserts. Physical Copy Only 151903088265 | eBay
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
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 +
No PS3 Portal 2 Move support after all - GameSpot
How to Link & Play your Portal 2 PS3 Copy on Steam - Just Push Start
Portal 2: Co-op Splitscreen Multiplayer Gameplay Walkthrough - GOOD GAME | Part 2 - YouTube
Co-Optimus - News - How to Play Portal 2 Split Screen on 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
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Steam Community :: Guide :: How to play Local Co-op with Controller + Keyboard
PC, PS3 Owners Can Play Portal 2 Together | WIRED
Amazon.com: Portal 2 - Playstation 3 : Video Games
Portal 2 disc has CoD Black Ops on it. Did I buy a fake? : r/PS3
30 Best Multiplayer Co-Op PS3 Games (Local & Online) – FandomSpot
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
PC Cheats - Portal 2 Guide - IGN
portal 2 PS3 activate the product for pc :: Help and Tips