One Frequently Asked Question regarding DOOM, Ultimate DOOM and DOOM II is:

                       Who designed which levels?

The following tables provide the detailed answer :)

DOOM
====

Map     Name                    Who?
----------------------------------------------
E1M1    Hangar                  John Romero
E1M2    Nuclear Plant           John Romero
E1M3    Toxin Refinery          John Romero
E1M4    Command Control         Sandy Petersen
E1M5    Phobos Lab              John Romero
E1M6    Central Processing      John Romero
E1M7    Computer Station        John Romero
E1M8    Phobos Anomaly          Sandy Petersen
E1M9    Military Base           John Romero

E2M1    Deimos Anomaly          Sandy Petersen
E2M2    Containment Area        Sandy Petersen
E2M3    Refinery                Sandy Petersen
E2M4    Deimos Lab              Sandy Petersen
E2M5    Command Center          Sandy Petersen
E2M6    Halls of the Damned     Sandy Petersen
E2M7    Spawning Vats           Sandy Petersen
E2M8    Tower of Babel          Sandy Petersen
E2M9    Fortress of Mystery     Sandy Petersen

E3M1    Hell Keep               Sandy Petersen
E3M2    Slough of Despair       Sandy Petersen
E3M3    Pandemonium             Sandy Petersen
E3M4    House of Pain           Sandy Petersen
E3M5    Unholy Cathedral        Sandy Petersen
E3M6    Mt. Erebus              Sandy Petersen
E3M7    Limbo                   Sandy Petersen
E3M8    Dis                     Sandy Petersen
E3M9    Warrens                 Sandy Petersen

Ultimate DOOM
=============

Map     Name                    Who?
----------------------------------------------
E4M1    Hell Beneath            American McGee
E4M2    Perfect Hatred          John Romero
E4M3    Sever The Wicked        Shawn Green
E4M4    Unruly Evil             American McGee
E4M5    They Will Repent        Tim Willits/Theresa Chasar
E4M6    Against Thee Wickedly   John Romero
E4M7    And Hell Followed       John Anderson
E4M8    Unto The Cruel          Shawn Green
E4M9    Fear (secret level)     Tim Willits

DOOM II
=======

Map     Name                    Who?
----------------------------------------------
MAP01   Entryway                Sandy Petersen
MAP02   Underhalls              American McGee
MAP03   The Gantlet             American McGee
MAP04   The Focus               American McGee
MAP05   The Waste Tunnels       American McGee
MAP06   The Crusher             American McGee
MAP07   Dead Simple             American McGee
MAP08   Tricks and Traps        Sandy Petersen
MAP09   The Pit                 Sandy Petersen
MAP10   Refueling Base          Sandy Petersen
MAP11   'O' of Destruction!     John Romero
MAP12   The Factory             Sandy Petersen
MAP13   Downtown                Sandy Petersen
MAP14   The Inmost Dens         American McGee
MAP15   Industrial Zone         John Romero
MAP16   Suburbs                 Sandy Petersen
MAP17   Tenements               John Romero
MAP18   The Courtyard           Sandy Petersen
MAP19   The Citadel             Sandy Petersen
MAP20   Gotcha!                 John Romero
MAP21   Nirvana                 Sandy Petersen
MAP22   The Catacombs           American McGee
MAP23   Barrels O' Fun          Sandy Petersen
MAP24   The Chasm               Sandy Petersen
MAP25   Bloodfalls              Shawn Green
MAP26   The Abandoned Mines     John Romero
MAP27   Monster Condo           Sandy Petersen
MAP28   The Spirit World        Sandy Petersen
MAP29   The Living End          John Romero
MAP30   Icon of Sin             Sandy Petersen
MAP31   Wolfenstein             Sandy Petersen
MAP32   Grosse                  Sandy Petersen


Many thanks to Sandy Petersen, now at Ensemble Studios, who provided the
detailed lists for DOOM and DOOM II, and to John Romero, who posted the
Ultimate DOOM list to the doom-editing mailing list on Wed, 12 Apr 1995.

Compiled Fri, 22 Aug 1997.
--
Frans P. de Vries | [email protected] | Rec.Games.Computer.Doom FAQ maintainer