Portal 2 PS3 Edition To Have Cross-Platform Play, Other Steam Features | TechCrunch
PlayStation boss says Sony wants more cross-play titles but recent actions may suggest otherwise
Co-Optimus - News - Portal 2 On PS3 is Cross Platform Playable, Free Steam Copy Included
Dragons Crown Update Lets PS3, Vita, & PS4 Play Together
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Sony Showcases Cross Play Gaming Between PS Vita And PS3; Cross-Controller DLCs For Deep Mobile-Console Integration | Redmond Pie
Portal 2 is free on Xbox gold for a limited time, what you you think about this : r/Portal
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 +
PS3 PSVITA Dead Or Alive 5 Cross Play Pack Koei Tecmo Used | eBay
Half-Life: Alyx Mod Brings Portal 2 Test Chambers To Life
Portal and Portal 2 coming to the Nintendo Switch : r/Steam
Steam details revealed for Portal 2 on PS3 - Gematsu
Portal 2 Co op Pt 5 Cross Play (PS3 & PC) " Insert Disc " - YouTube
Portal Companion Collection review --- This was a triumph — GAMINGTREND
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
OcUK Ultimate Crossplay Guide - Overclockers UK
Buy Portal 2 PS3, get PC/Mac version free & Steam support – Destructoid
Steam Details for Portal 2 on PS3 RevealedPS3Blog.net
Steam details revealed for Portal 2 on PS3 - Gematsu
Portal 2 In Motion: Free Co-op Campaign Out Today – PlayStation.Blog
Portal 2: Pretty Much Every PS3 Question Answered (and that Cake thing, too) – PlayStation.Blog
Portal 2 gets cross-platform play across PC, Mac and PlayStation 3 | WIRED UK
Portal 2 - Wikipedia
Portal Companion Collection review --- This was a triumph — GAMINGTREND
Steam Details for Portal 2 on PS3 RevealedPS3Blog.net
Portal 2 PS3: Redeeming the PC copy - YouTube
Interview: Valve's DJ Powers on Portal 2, PS3 development - Gematsu
