Originally a modification of the 1998 game Half-Life, the rights of the modification were purchased by Valve Corporation and released as a full retail title in 2003. Set in the midst of World War II, Day of Defeat includes no single-player campaign, with focus left only on the game's multiplayer aspects....
Enlist in an intense brand of Axis vs. Allied teamplay set in the WWII European Theatre of Operations. Players assume the role of light/assault/heavy infantry, sniper or machine-gunner class, each with a unique arsenal of historical weaponry at their disposal. Missions are based on key historical operations. And, as war rages, players must work together with their squad to accomplish a variety of mission-specific objectives.