War Rock is a tactical, modern first-person shooter (FPS) online game developed by Dream Execution. It is free to play, and can be downloaded from the official website. It is set in a modern setting, with themes of war and terrorism. Players can join one of three factions - the Global Risk, the Black List, or the Neutral - and fight against each other in large-scale battles. The game features a wide range of weapons, from pistols to machine guns, sniper rifles and rocket launchers, and a variety of vehicles, including tanks and helicopters. Players can customize their characters with a variety of skins and gear. The game also features a variety of game modes, from team deathmatch to domination and capture the flag, and a range of maps to play on. War Rock also includes a clan system, allowing players to join forces and fight together in clan battles.
Discontinued No more updates since January 2013: http://sauerbraten.org/. 2013, like Alien Arena, warned discontinued.