

Retail distribution of the game was handled by Electronic Arts. The game was released for Microsoft Windows on September 26, 2005, distributed through Valve's online content delivery service Steam. It was updated from the GoldSrc engine used by its predecessor to the Source engine, and a remake of the game models. Set in World War II, the game is a remake of Day of Defeat. New features include: Completely updated maps to take full advantage of the Source engine replaces, integrated physics simulation for ragdolls and physically simulated objects, higher resolution textures throughout, bump mapping, specular lighting, and other graphic effects, all powered by advanced Source engine technology, completely redesigned user interface, all new voice, weapon, and ambient sounds.Day of Defeat: Source is a team-based online first-person shooter multiplayer video game developed by Valve. Day of Defeat: Source takes the classic gameplay of the original Day of Defeat and improves the experience with Source, the advanced engine technology Valve created for "Half-Life 2." With this technology, DoD: Source offers state of the art graphics (including support for HDR lighting) in optimized versions of popular maps, plus redesigned sound and all new player, weapon, and world models.


Players choose a role and tackle goal-oriented missions based on historical operations.

Day of Defeat: Source takes the classic gameplay of the original Day of Defeat and improves Day of Defeat: Source features multiplayer, team-based gameplay set in the WWII European theatre of operations. Summary: Day of Defeat: Source features multiplayer, team-based gameplay set in the WWII European theatre of operations.
