Day of Defeat beta 2.0 Official Trailer video - BOTmanHL

The Half-Life series spawned countless mods, among which many that became highly popular in the Half-Life gaming community. Some original mods, such as Counter-Strike, Team Fortress, Day of Defeat, Ricochet, The Ship and Alien Swarm have been "adopted" by Valve and made into commercial games. However some mods such as Garry's Mod having been turned into commercial games remain independent. My top multiplayer half-life mod : Day of Defeat, Natural Selection, Opposing Force CTF, Counter Strike, Team Fortress Classic