Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Portal 2 PS3, Steam cross-platform play | Eurogamer.net
Valve explains what makes PS3 Portal 2 so good | VG247
Steam for PS3 Portal 2 detailed - GameSpot
Cross-platform play - Wikipedia
Portal 2 PS3 Includes Cross-Platform Play, PC/Mac Versions - Giant Bomb
Portal: Companion Collection Review (Switch eShop) | Nintendo Life
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Dragon's Crown - Wikipedia
List of all Playstation 3 cross-play games currently available.
PC, PS3 Owners Can Play Portal 2 Together | WIRED
Replacement Case (NO GAME) PORTAL 2 PLAYSTATION 3 PS3 - | eBay
Portal 2 will let PC and PS3 gamers play together | PC Gamer
Xbox One vs PS4: The cross-platform games we need
Buy Portal 2 PS3, get PC/Mac version free & Steam support – Destructoid
Portal 2 (Platinum) PS3 - Zavvi UK
Portal 2 - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game
List of all Playstation 3 cross-play games currently available.
PORTAL 2 on ps3 : r/PS3
Counter-Strike: Global Offensive to have cross-play for PS3, PC, Mac and not Xbox | Engadget
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Found My Old PS3 Portal 2 Disk : r/valve
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 +
Portal 2 first game to have cross platform multiplayer
![Portal 2: Co-op Walkthrough - Part 1 [1080p HD] (PC/PS3/XBOX 360) (Gameplay) - YouTube](https://i.ytimg.com/vi/JX7R6wvPg8o/maxresdefault.jpg "Portal 2: Co-op Walkthrough - Part 1 [1080p HD] (PC/PS3/XBOX 360) (Gameplay) - YouTube")