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Portal 2 PS3: Redeeming the PC copy - YouTube
Portal 2 PS3 Edition To Have Cross-Platform Play, Other Steam Features | TechCrunch
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Tristan Halcomb on X: "I can't wait for Steam on the PS3! I'm getting one for Christmas I'm so excited to be able to play all my steam games on there! https://t.co/qSihOdho8f" /
Portal PS3 And Steam Code Can Be Used Separately | N4G
PC, PS3 Owners Can Play Portal 2 Together | WIRED
PS3 Steam Features for Portal 2 Revealed - SonyRumors
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Steam Gets "Big Picture Mode" For PS3 | TechCrunch
Review: Portal 2 (PS3, Xbox 360, Steam) – SideQuesting
Portal 2 para PS3 trae un cupón para canjear una copia de PC en Steam – FayerWayer
Portal 2 Playstation 3 screenshots - Image #4622 | New Game Network
Amazon.com: Portal 2 PS3 : Video Games
PC, PS3 Owners Can Play Portal 2 Together | WIRED
Valve talks Portal 2 on PlayStation 3, Steam on 360 | Ars Technica
Co-Optimus - News - New Portal 2 Box Art Pushes Co-op