Delta Labs - Unknown: Union Aerospace Research Division


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of Evil maps

Delta Labs - Unknown: Union Aerospace Research Division is the eleventh level of Doom 3: Resurrection of Evil. Player fights through parts of Delta 3, Administration, Delta 2B, and Delta 4 from Doom 3, that have been corrupted by Hell. This is the most unique level in all of Doom 3, because the entire Delta Complex is in constant dimensional flux with Hell and shows a horrifying alternate version of the area every few seconds and warps the player's vision. Bloody skeletons appear when in flux with Hell and can be interacted with until the flux stops.

In the BFG Edition, this level does not fluctuate with Hell.

In-Game Information[edit]


  • Patrick Hook



Weapons / Items[edit]

  • BFG-9000
  • Grenades
  • Bullets
  • Shells
  • Clips
  • Ammo Belts
  • Plasma Cells
  • Rockets
  • BFG Cells

Storage Codes[edit]

  • Storage Cabinet #117 and #116 634


  • Not all places that are revisited here were located within the Delta Labs in Doom 3 (e.g. the room of the Demon introduction cutscene from Administration).


External links[edit]