MAP21: Mt. Erebus (Console Doom)


Console level navigator
Jaguar, 3DO, GBA, PlayStation, Saturn
Mt. Erebus

Crystal Project computer.png

This is a console version
of a PC level.

This level occupies the map slot MAP21. For other maps which occupy this slot, see Category:MAP21.
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MAP21: Mt. Erebus is the twenty-first level of console versions of Doom, based on the original E3M6: Mt. Erebus with modifications made to adapt to the consoles' limitations. It was converted by American McGee and originally designed by Sandy Petersen. The map first appeared in Atari Jaguar version, and is additionally used in the 3DO, Game Boy Advance, Sony PlayStation, and Sega Saturn versions.


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


Other points of interest[edit]


  1. (sector 67)
  2. (sector 104)


PlayStation only[edit]

  • One of the walls in the marble building is displayed distorted due to a wrong Y-offset setting (linedef 341).
  • (On UV skill level only) In the brick building of the separate east part of the map, a demon and a spectre are stuck due to a wrong thing arrangement (things 73 and 74).

Comparison of versions[edit]

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Numerous changes exist in the level as compared to its PC version:

Geometry simplification[edit]

  • Lorem ipsum

New design[edit]

Some rooms in the level were redesigned:

  • Lorem ipsum


  • Lorem ipsum


Some additional changes were made in the PlayStation port:

  • Lorem ipsum

Areas / screenshots[edit]

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Atari Jaguar screenshots[edit]

3DO screenshots[edit]

PlayStation screenshots[edit]

Sega Saturn screenshots[edit]

Game Boy Advance screenshots[edit]


The map uses the following music tracks:

Port Track Composer Notes
Atari Jaguar "The Imp's Song" Robert Prince Only plays in the intermission screen after the map is completed.
3DO "Untitled" Robert Prince Re-orchestrated version played by live band
Game Boy Advance "Sinister" Robert Prince
Sony PlayStation "Lamentation" Aubrey Hodges
Sega Saturn "Breath Of Horror" Aubrey Hodges


Player spawns[edit]

This level contains six spawn points:

  1. facing north-west. (thing 215)
  2. facing north-east. (thing 216)
  3. facing south. (thing 217)
  4. facing south. (thing 218)
  5. facing south-west. (thing 219)
  6. facing south-east. (thing 226)


Map data[edit]

Things 229
Vertices 709*
Linedefs 605
Sidedefs 821
Sectors 112
* The vertex count without the effect of node building is 479.


This level contains the following numbers of things per skill level:

Technical information[edit]

Inspiration and development[edit]



Console Doom levels - Atari Jaguar, 3DO, Game Boy Advance
Secret levels:
Console Doom levels - Doom for Sony PlayStation and Sega Saturn
Ultimate Doom
Secret levels:
Doom II
The Star Base:
The City:
Secret levels: