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 PS3 code anyone? Enjoy. : r/gaming
Amazon.com: Portal 2 - Playstation 3 : Video Games
portal 2 PS3 activate the product for pc :: Help and Tips
Steam Community :: Guide :: How to play Local Co-op with Controller + Keyboard
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 PS3 Edition To Have Cross-Platform Play, Other Steam Features | TechCrunch
No PS3 Portal 2 Move support after all - GameSpot
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Play Portal 2 on PS3 without a HDD install | Attack of the Fanboy
PS3 Game Lot. Portal 2, Need For Speed Shift, Lost Planet, Little Big Planet. EX | eBay
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 +