MAP33: Betray is a secret map exclusive to the Xbox version of Doom II, included with the Xbox Collector's Editions of Doom 3 and Doom 3: Resurrection of Evil. It can be accessed from MAP02: Underhalls, and contains SS Nazis for no apparent reason. It was originally a 1995 level designed by Michael Bukowski, a programmer for the Doom 3 port with Vicarious Visions. A bugfixed PC version can be downloaded at ClassicDoom.com alongside the Xbox version; in both cases, the level is located on . Completing this level takes the player to MAP03: The Gantlet.