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Doomsday of UAC

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1994
  1. Crossing Acheron
  2. Aliens TC
  3. Doomsday of UAC
  4. Galaxia
  5. Serenity
  6. Eternity
  7. Trinity College
  8. Return to Phobos
  9. Slaughter Until Death
  10. The Evil Unleashed
1994 - 1995 - 1996 - 1997 - 1998
1999 - 2000 - 2001 - 2002 - 2003

Cacowards

This level occupies the map slot E1M8. For other maps which occupy this slot, see Category:E1M8.

Doomsday of UAC (commonly known by its filename UAC_DEAD) is a single-level PWAD designed by Leo Martin Lim. As part of their 10 Years of Doom feature, Doomworld named it one of the ten best WADs of 1994.

One of the first ever fan-made Doom mods, UAC_DEAD features an attempt at creating realistic-looking vehicles and environments. It contains a replacement sky graphic, and uses careful flat and texture choices in places to simulate colored lighting. It also includes the first known instance of the self-referencing sectors trick, used to create both invisible stairs and an invisible chamber enclosing a cyberdemon.

UAC_DEAD was originally released June 23, 1994. It also appeared on Maximum Doom as UAC_DEAD.WAD, as UAC_DEA2.WAD, and as E1M4 of DEATHM2.WAD.

Walkthrough

UAC DEAD map

Map of Doomsday of UAC

Letters in italics refer to marked spots on the map. Sector numbers in boldface are secrets which count toward the end-of-level tally.

Essentials

Other points of interest

Secrets

  1. (sector 82)
  2. (sector 62)
  3. (sector 109)
  4. (sector 193)
  5. (sector 351)
  6. (sector 277)

Bugs

Playing this map on UV exceeds the savegame buffer size in Doom v1.2.

Demo files

Areas / screenshots

Speedrunning

Routes and tricks

Current records

The records for the map on the Doomed Speed Demos Archive are:

RunTimePlayerDateFileNotes
UV speed4:50Never Again2003-04-23uacd_450.zip
NM speed6:20Never Again2003-04-24uacdn620.zip
UV max12:35Never Again2003-04-23uacd1235.zip
NM100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

Miscellaneous demos

RunTimePlayerDateFileNotes
UV -fast35:51Matt "Viper" Maier1996-10-06uac_dead.zip

Deathmatch

Statistics

Map data

Things518
Vertexes2113
Linedefs2608
Sidedefs4035
Sectors442

Things

Doomsday of UAC contains the following numbers of things per skill level:

Monsters1-234-5
Zombieman101013
Shotgun guy333348
Imp616191
Demon558
Spectre111118
Lost soul171727
Cacodemon6613
Baron of hell333
Cyberdemon111
Powerups1-234-5
Armor222
Backpack111
Berserk111
Computer area map111
Medikit161614
Megaarmor222
Partial invisibility111
Radiation shielding suit222
Stimpack111
Supercharge333
Weapons1-234-5
Chainsaw111
Chaingun111
Rocket launcher111
Plasma gun111
BFG9000111
Ammunition1-234-5
Box of bullets886
Box of shotgun shells999
Box of rockets554
Energy cell pack776
Keys1-234-5
Blue keycard111
Red skull key111
Yellow keycard111

Technical information

This map occupied the E1M8 slot in order to use the special tag 666 twice, exploiting a peculiarity of Doom's handling when more than one boss monster is present in the map. This peculiarity was changed in The Ultimate Doom, and as the Doom source release inherited the change, the map is unplayable in many modern source ports (because the red key cannot be obtained). Chocolate Doom and PrBoom have option settings which allow the trick to operate as intended, and ZDoom and GZDoom identify the level through its checksum and automatically apply the correct compatibility flag.

Inspiration and development

The sky texture in Doomsday of UAC is taken from "Nightfall" (NIGHTFAL.WAD), a single-level PWAD designed by Josh "Phallus" Fallon and released on June 14, 1994.

Trivia

The invisible stairs are meant to be reminiscent of the film Indiana Jones and the Last Crusade.

Sources

External links

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