Join Free Games Info if you want to build up your game list for free:
http://steamcommunity.com/groups/freegamesinfoo

Take a role in a realistic styled FPS multiplayer game. Choose bunch of weapons and play Head Shot online with friends and strangers.

Features:
-Various types of weapons including Assaults, Equipments, Machine Guns, Pistols, Shotguns and Snipers;
-Different game modes (Death Match, Team Death Match, Bomb Defuse, Capture The Flag)