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Development Hell

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Location of Development Hell

A new way of showing the credits, Development Hell is a rarely spawned level that can appear on Nightmare difficulty or above, and features a group of zombies with the names of the Diablo III game developers.

"Development Hell" is a pun on Development hell, an abnormally long period of development for computer games or other various forms of electronic media.


Development Hell is found in the Cemetery of the Forsaken, as one of the defiled crypts.


This crypt features a variety of zombies: Ravenous Dead, Retching Cadavers, Hungry Corpses. All monsters have the names and jobs of the game developing group. Two unique monsters are present in this dungeon: Jay Wilson and Josh Mosqueira.


Killing Jay Wilson grants a hidden achievement: "Smash, Jay, Smash", placed in "Feat of Strength" group on the achievement page, plus a sigil of a horned demon.

Special Zones
Diablo II
Pandemonium Event ZonesMatron's DenForgotten SandsFurnace of PainÜber Tristram
Easter Egg ZonesSecret Cow Level
Diablo III
Easter Egg ZonesWhimsyshire (Whimsydale) • Development HellNot The Cow Level
Act I Zones (Diablo III)
Abandoned Servant HouseAdria's HutAncient PyreCain's HouseCathedralCathedral GardenCave of the Moon ClanCaverns of AraneaeCellar of the DamnedCells of the CondemnedCemetery of the ForsakenChamber of Queen AraneaeChamber of SufferingChancellor's TombCrypt of the AncientsCrypt of the Skeleton KingDamp CellarDank CellarDark CellarDecaying CryptDefiled CryptDen of the FallenDesolate ChamberDevelopment HellDrowned TempleFarmer's CellarFields of MiseryForlorn FarmForsaken GroundsHalls of AgonyHighlands CaveHighlands CrossingHighlands PassageHouse of CuriosKaryna's Lost WagonKhazra DenLeah's RoomLeoric's Hunting GroundsLeoric's ManorLeoric's Manor CourtyardLeoric's PassageLonely DwellingLost MineMass GraveMusty CellarNew TristramNorthern HighlandsOld Tristram RoadOverlook RoadPillaged HomeQuality WellScavenger's DenSheltered CottageSouthern HighlandsThe Cave Under the WellThe Cursed HoldThe Festering WoodsThe Hidden CellarThe LyceumThe Old MillThe Old RuinsThe Royal CryptsThe Secluded GroveThe Slaughtered Calf InnThe Weeping HollowTinker's HovelWatch TowerWorthamWortham BluffsWortham ChapelWortham Chapel Cellar

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