Return To Castle Wolfenstein: Enemy Territory!
Attention all FPS lovers. Its time to pick-up your weapons, choose your allies, and gear up for war. We are talking about the iconic FPS, Return To Castle Wolfenstein: Enemy Territory. Developed by Activision, the same developer who has churned out impressive titles such as Driver, Driver 3, Call Of Duty series, Crash Bandicoot series, just to name a few.
Enemy Territory was supposed to be an expansion pack to the RTCW game series, but a problem owing to the single-player aspect led to Enemy Territory being released as a free and open-source standalone game on 29th May, 2003.