Official Quakewiki Video - Quake - E1M2 - Castle of the Damned (Deathmatch)
Who would have guessed that a singleplayer level would become one of the most popular Deathmatch levels, beating many of the levels specifically designed for Deathmatch, and becoming a great level for team matches? Perhaps it was skill, perhaps luck, but everything works in this level to make it successful beyond the Singleplayer game.