Zzul Bases

Zzul Bases is a four level PWAD for Doom II designed for MBF21 created by Killer5. Notably, the WAD's difficulty ranges from "easy" to "very hard", contrasting with the high difficulty maps that Killer5 is known for. The mapset was released on August 19th, 2021 on the Doomworld forums.

Soundtrack

 * MAP01: "Push on the Gas" from Hell Revealed 2 by Sam "Metabolist" Woodman
 * MAP02: D_STLKS2.mid from Crucified Dreams by Marc Pullen
 * MAP03: Title screen midi from Crumpets
 * MAP31: MAP18 midi from Slaughterfest 2012

Trivia

 * The MAP04 slot features a "Thanks for Playing" monsterless progression stopper level that is virtually identical to MAP02 of The Event Horizon.