E2M3: Io Toxic Disposal Plant (The Lost Episodes of Doom)

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The Lost Episodes of Doom maps
Massacre on Callisto

M1 M2 M3 M4 M5 M6 M7 M8

Hell's Gate - The Red Spot of Jupiter

M1 M2 M3 M4 M5 M6 M7 M8

This level occupies the map slot E2M3. For other maps which occupy this slot, see Category:E2M3.

E2M3: Io Toxic Disposal Plant is the third map of The Killing Fields of Io, the second episode of The Lost Episodes of Doom. It was designed by Christen David Klie.

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Map of Io Toxic Disposal Plant
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. Press the switch behind the blue door in the blue key room, then head north from the blue key room. Drop down into a circular room - there is a secret door in the south leading to a switch which lowers a soul sphere in the symmetrically opposite room. (sector 82)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

The Compet-n records for the map are:

Style Time Player Date File Notes
UV speed **
NM speed **
UV max **
NM100S **
UV -fast **
UV -respawn **
UV Tyson **
UV pacifist **

Miscellaneous demos[edit]

Style Time Player Date File Notes


Player spawns[edit]

This level contains nine spawn points:

  1. facing north. (thing 5)
  2. facing north. (thing 127)
  3. facing south. (thing 128)
  4. facing east. (thing 129)
  5. facing south. (thing 130)
  6. facing north. (thing 131)
  7. facing north-west. (thing 132)
  8. facing north. (thing 134)
  9. facing south. (thing 249)


Map data[edit]

Things 250
Vertices 891*
Linedefs 901
Sidedefs 1178
Sectors 93
* The vertex count without the effect of node building is 824.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]