STORE COMMUNITY ABOUT SUPPORT
Containing item: "Camtasia"
Portal 2 co-op ChambersCollection by Whiskey_Fox
A collection of co-op Test Chambers to play with my friends!
PC Gamer: Best Portal 2 Co-Op MapsCollection by Aradalf
PC Gamer's top Portal 2 co-op maps, available here: pcgamer.com/2012/11/17/the-10-best-portal-2-co-op-maps/
最多订阅Collection by WeiJie_
Co op mapsCollection by George6120
Foxyfluffs are everythingCollection by Seoman
The Best Test of FriendshipCollection by Shrewp
Portal 2 CO-OP mapsCollection by Zack
Best coop maps
MrThinice and PooKer's to play mapsCollection by PooKer
10 Best Coop Portal 2 MapsCollection by Icepop33
PC Gamer 10 Best Coop Portal 2 Maps