Official Quakewiki Video - Quake - Introduction (Deathmatch)
Based on a recent suggestion, I am now going to replay all of the Singleplayer levels in their Deathmatch variants. Apparently people find it different enough to warrant its own video. Anyway, Introduction shows us running through the level and finding all the weapons where none previously were. Possibly the work of ghosts! But it doesn't matter, we are to kill things!