WarRock

War Rock is a great multiplayer war game.  It can also be played online.

 War Rock is a fast-paced, large-scale multiplayer first-person shooter that combines old-school tactical combat with explosive vehicular combat.

 Choose from five fully customizable professions and engage in close-quarters combat, expansive vehicle battles, and even terrifying AI Survival encounters, each with their own rankings and achievements.  Sign up for War Rock today!