Portal 2 could have skipped out on portals, says Valve Post by： VG24/7 in September 11, 2010 Erik Wolpaw Josh Weier PC Portal Portal 2 PS3 Puzzler Stephany Nunneley Valve VG24/7 Xbox 360 +
Impressions: Valve’s Weier details Portal 2 co-op at PAX Prime Post by： VG24/7 in September 07, 2010 Hot Impressions Josh Weier PAX 2010 PC Portal Portal 2 PS3 Puzzler Shooter Steam Stephany Nunneley Valve VG24/7 Xbox 360 +