E1M3: Toxin Refinery (Phobos Revisited)

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Phobos Revisited maps
This level occupies the map slot E1M3. For other maps which occupy this slot, see Category:E1M3.
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E1M3: Toxin Refinery is the third map of Phobos Revisited. It was designed by Rex Claussen and uses the music track "".


Map of Toxin Refinery
Letters in italics refer to marked spots on the map. Sector, thing, and linedef numbers in boldface are secrets which count toward the end-of-level tally.


Other points of interest[edit]


  1. Open the door west of the hub while facing it from the northwestern side and quickly run up the curved steps. Go through the north wall before it closes to enter a teleporter to a rocket launcher. (sector 48)
  2. At the east end of the U-shaped hall, enter the small corridor east of the hall, then quickly go to the west side of the U-shaped hall and onto the lowered ledge. This will open the east wall to a teleporter to a soul sphere. (sector 205)
  3. In the same, small corridor mentioned in Secret #2, lower the east wall to get armor bonuses. (sector 191)
  4. At the lift to the normal exit, open a wall to the west to get shotgun shells and a switch. (sector 115)
  5. Press the switch in Secret #4 and quickly run through the hall to the west to the small corridor and to the secret room before the bars rise. This room has shotgun shells, an armor bonus, a stimpack, and a yellow key which is needed for the secret exit. (sector 105)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

The records for the map at the Doom Speed Demo Archive are:

Run Time Player Date File Notes
UV speed (normal exit) 0:56.40 trashgarbage 2023-10-22 pr3-5640.zip
UV speed (secret exit)
NM speed (normal exit)
NM speed (secret exit)
UV max
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist (normal exit)
UV pacifist (secret exit)
NoMo (normal exit) 0:40.60 trashgarbage 2023-10-22 pr3o4060.zip

The data was last verified in its entirety on November 2, 2023.


Player spawns[edit]

This level contains eight spawn points:

  1. facing north. (thing 268)
  2. facing north-east. (thing 269)
  3. facing south. (thing 270)
  4. facing east. (thing 271)
  5. facing north. (thing 272)
  6. facing north-east. (thing 273)
  7. facing north-east. (thing 274)
  8. facing east. (thing 275)


Map data[edit]

Things 285
Vertices 2061*
Linedefs 1984
Sidedefs 2852
Sectors 208
* The vertex count without the effect of node building is 1665.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]