To plant the bomb, the player has to just stand within the designated bomb area. The bomb is obtained from the spawn area, fallen team mates, or from the enemy spawn and vice versa. Players destroy a target by first planting a bomb at the target. Certain maps such as dod_charlie do not allow a captured flag to be recaptured by the defending team. Flags are presented as either uncaptured (Grey), Axis (German Cross) or Allies (White Star in a Green Background or the Union Flag if the Allied team is British). Certain flags require more than 1 player for capture. Players can capture a flag by standing near the flag for a certain amount of time. Some of the more popular maps have different objectives for both teams.

The scoreboard is displayed and the game is restarted with another map or the same map, depending on the server.Дay of Defeat maps do not always require that both teams have the same objectives. The game also tallies these statistics for the entire team, this reflects the team's score which is primarily based on objectives.ДЄfter many rounds, the game ends when a set time limit expires, and the team with the most objectives achieved is the winning team regardless of kills or casualties, except in the case where both teams have not achieved any objectives or are tied in the objective score. Like other Half-Life mods, Day of Defeat tracks each player's accomplishment in team objectives, how many enemies each player has killed and how many times each player has died. The reinforcement timer is usually between 10-20 seconds, but this time may vary from server to server. The reinforcements originate at spawn and can be composed of anywhere from 1 soldier to the entire team. Player casualties become reinforcements which are supplied according to a timer. A round ends when one team accomplishes all of its objectives or the timer for the round reaches 0. In Day of Defeat:Source there are only American Allies and German Axis armies.ДЄ round begins with two opposing teams starting simultaneously in their respective spawn area of a map. Players can choose between British or American Allies armies and German Axis armies. The goal is to complete various mission objectives, varying from capturing flags scattered across the map to the destruction of key objective installations. Day of Defeat is a 3-D multiplayer shooter that simulates squad-level infantry combat between the adversaries of World War II's European Theatre the Allies (United States or Great Britain) and the Axis Powers (Germany).

Day of defeat source weapons