1.
http://steamcommunity.com/id/calmden/
2. Batman: Arkham City GOTY, Call of Duty: Black Ops II - Multiplayer, Company of Heroes (New Steam Version), Company of Heroes 2, Сrysis 2 Maximum Edition, Half-Life 2: Episode One, Half-Life 2: Episode Two, Half-Life 2, Left 4 Dead 2, Metro 2033, Mirror's edge, Payday: The Heist