E1M5: Chemical Processing Plant (CH Retro Episode)

CH Retro Episode maps
This level occupies the map slot E1M5. For other maps which occupy this slot, see Category:E1M5.
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E1M5: Chemical Processing Plant is the fifth map of CH Retro Episode. It was designed by Christian Hansen and uses the music track " ".



Map of Chemical Processing 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 interestEdit


  1. Head north and enter the door into the plant itself. Immediately turn right and enter the dark area here, then press on the south wall to find armor bonuses, a chainsaw, partial invisibility, and shotgun shells. (sector 116)
  2. In the big room at the east end, take the lift up, then head west. Run west, southwest, and turn north when you can. In this hall, go straight north into the lit area with the open room before it closes to find a green armor and a backpack. (sector 206)
  3. In the room with the exit door, look through the window to the right and shoot the switch. Leave to the south and you will soon find a passage with health bonuses, a soul sphere, and a box of rockets. (sector 213)
  4. After picking up the blue key, return to the previous hall, where you can enter the area with the megaarmor. Shoot at a wall to the south to find ammo clips and a chaingun. (sector 324)
  5. At the square rooms at the north end, enter the central room and go to the left side of the ledge with imps. There is a switch here. Press it, then run to the southeast room. A wall will be open at the west side, so enter the passage before it closes. Take the lift up to get health bonuses, armor bonuses, rockets, a box of ammo, a computer area map, and a rocket launcher. (sector 379)


Demo filesEdit

Areas / screenshotsEdit


Routes and tricksEdit

Current recordsEdit

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

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

Miscellaneous demosEdit

Style Time Player Date File Notes


Player spawnsEdit

This level contains ten spawn points:

  1. facing north. (thing 446)
  2. facing north-east. (thing 447)
  3. facing west. (thing 448)
  4. facing north-east. (thing 449)
  5. facing north. (thing 450)
  6. facing east. (thing 451)
  7. facing south. (thing 452)
  8. facing north-east. (thing 453)
  9. facing east. (thing 454)
  10. facing north. (thing 455)


Map dataEdit

Things 493
Vertices 2118*
Linedefs 2369
Sidedefs 3321
Sectors 504
* The vertex count without the effect of node building is 1856.


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

Technical informationEdit

Inspiration and developmentEdit


See alsoEdit


External linksEdit