Counter-Strike

Team Fortress Classic

Day of Defeat

Deathmatch Classic

Half-Life: Opposing Force

Ricochet

Half-Life

Counter-Strike: Condition Zero

Counter-Strike: Source

Day of Defeat: Source

Half-Life 2: Deathmatch

Half-Life Deathmatch: Source

Team Fortress 2

Left 4 Dead

Left 4 Dead 2

Dota 2

Counter-Strike: Global Offensive

Red Orchestra: Ostfront 41-45

Killing Floor

Dark Messiah of Might & Magic

The Ship: Murder Party

Garry's Mod

Natural Selection 2

Lost Planet™: Extreme Condition

Call of Duty®: Modern Warfare® 2

Zombie Panic! Source

Pirates, Vikings, and Knights II

Nuclear Dawn

Total War: SHOGUN 2

Red Orchestra 2: Heroes of Stalingrad with Rising Storm

Moonbase Alpha

War of the Roses

Call of Duty®: Modern Warfare® 3

Call of Duty®: Black Ops

GRID 2

Clickr

Magic the Gathering: Duels of the Planeswalkers: Expansion One

Homefront

Red Faction®: Armageddon™

Wargame: European Escalation