Half-Life 2 - Half-Life 2 is a science fiction first-person shooter video game developed and published by Valve...
Arma - Experience true combat gameplay in a massive military sandbox.
F.E.A.R 2: Project Origin - F.
Quake - Quake is a series of first-person shooter video games released by id Software.
Bioshock 2 - Bioshock 2 is an Action-Adventure, FSP (First-person Shooter), Science-fiction, Role-playing, Horror, Single and Multiplayer video game developed by 2K Marine and published by 2K Games.
DotA 2 - Dota 2 is a Free-to-play, Action-Adventure, Multiplayer Online Battle Arena, Single and Multiplayer video game created and published by Valve Corporation.