50 Monsters

50 Monsters is a 34-level vanilla compatible megawad for Doom II, created by Brayden Hart (AD_79). Excluding lost souls, every map has at most 50 monsters. (The two exceptions are MAP32 and MAP35 having more.)

Hart designed the megawad to have a difficulty curve, so he decided to use some custom monsters in the later stages: the Afrit from Scythe 2, the Cybruiser from Valiant, and a final boss known as the Overlord from Realm 667 (converted to DeHackEd by Obsidian). The other gameplay change is Chaingunners not dropping the chaingun when killed, instead dropping a clip; this is identical to their behaviour in Valiant. (Valiant was a major influence on Hart's mapping style.)

The project started in 2014 and features some of Hart's earliest mapping efforts. It also includes guest mapping from Paul DeBruyne (skillsaw) and Justin Kelly (Breezeep) amongst others. The first episode of the WAD was released on 31 January, 2015, containing ten maps. The full megawad saw its beta release on 15 October, 2015, but a final release was long delayed, with an eventual upload to the /idgames archive on 2 January, 2017.

Levels
All levels designed by Brayden Hart (AD_79) unless stated otherwise:

Secret maps: Bonus maps:
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by Breezeep
 * by James Collins (an_mutt)
 * by AD_79, skillsaw, Breezeep, and TheMionicDonut
 * MAP33 by 4shockblast
 * MAP35 by Obsidian

Soundtrack

 * MAP01: "Technodoom" by Mark Klem (from STRAIN)
 * MAP02: "Rogue Prophets" by James Paddock (Jimmy)
 * MAP03: "Coldwires" by Stuart Rynn (stewboy)
 * MAP04: "Give In (With Pleasure)" by Mark Klem (from Memento Mori II)
 * MAP05: "Tempter" by Mark Klem (from Memento Mori II)
 * MAP06: "Dreadnaught" by Mark Klem (from Memento Mori)
 * MAP07: "Mantis (remix)" by James Paddock (originally by Mark Klem)
 * MAP08: "Pipeline" by Gus Knezevich (Alfonzo)
 * MAP09: "Slipper" by Mark Klem (from Memento Mori)
 * MAP10: "Trainwreck" by James Paddock (from TNT 2: Devilution)
 * MAP11: "Morose" by James Paddock
 * MAP12: "Underearth" by John Weekley (PRIMEVAL) (from Unholy Realms)
 * MAP13: "Art of the Conjurer" by James Paddock (from Back to Saturn X Episode 3)
 * MAP14: "Upstate Devil" by Gus Knezevich
 * MAP15: "Call Doctor Birch, 0-800" by Gus Knezevich
 * MAP16: "vcxz" by Zachary Stephens (Ribbiks)
 * MAP17: "Acidcity" by James Paddock
 * MAP18: "Flip the Switch" by Gus Knezevich
 * MAP19: "Octarine" by James Paddock
 * MAP20: "The Hornet" by James Paddock (from TNT 2: Devilution)
 * MAP21: "Alien Jungle" by Stuart Rynn (from Back to Saturn X Episode 2)
 * MAP22: "Tower of Fire" by James Paddock (from the Plutonia MIDI Pack)
 * MAP23: "Let Me Fly" by James Paddock
 * MAP24: "2012" by James Paddock
 * MAP25: "Dark Angel" by James Paddock
 * MAP26: "Weather Warning" by James Paddock (from Back to Saturn X Episode 2)
 * MAP27: - Level 1
 * MAP28: "Bucket of Fear" by Jeremy Doyle (from Requiem)
 * MAP29: "Day of Mourning" by Stuart Rynn (from Resurgence)
 * MAP30: "All that Remains" by Brayden Hart
 * MAP31: "Enigma" by James Paddock (from Back to Saturn X Episode 2)
 * MAP32: "Vinefort" by James Paddock (from Back to Saturn X Episode 2)
 * Title screen: "Rattlesnake" by James Paddock
 * Intermission screen/MAP35: "Run 'Em, Gun 'Em, Kill 'Em" by James Paddock (from the Plutonia MIDI Pack)
 * Text screen/MAP33: "Sunset Over Babylon" by James Paddock (from Jenesis)