| Console: | PC |
| TV Standard: | Region Not Set |
| Developer(s): | Valve Corporation |
| Publisher(s): | Electronic Arts |
| Release Date: | 2005-09-26 |
| Players: | 4 |
| Co-op: | Yes |
| ESRB: | M - Mature 17+ |
| Type: | Shooter |
Day of Defeat: Source is set in World War II, specifically the European Theatre in the year 1944.
Players choose to join the forces of either the United States Army or the German Wehrmacht and compete against each other in a variety of game modes. Players select from one of six classes to play as, each with its own role within the team.
Player characters cannot take much damage, and in some circumstances can be killed by a single bullet, forcing players to make use of cover to stay alive.
