E1M3: Filtration Plant (Stickney Installation)

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Stickney Installation maps
Ep.1: Phobos Protocol
Ep.2: Ashes of Voltaire

M1 M2 M3 M4 M5 M6 M7 M8 M9

Ep.3: Realm of Styx

M1 M2 M3 M4 M5 M6 M7 M8 M9

Ep.4: Flesh of Kings

M1 M2 M3 M4 M5 M6 M7 M8 M9

This level occupies the map slot E1M3. For other maps which occupy this slot, see Category:E1M3.
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E1M3: Filtration Plant is the third map in episode Phobos Protocol of Stickney Installation. It was designed by Snaxalotl and uses the E1M7 music from Doom the Way id Did as its music track.

Walkthrough[edit]

Map of Filtration Plant
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.

Essentials[edit]

Other points of interest[edit]

Secrets[edit]

  1. Descend the first set of steps and enter the nukage to the east. Press the southwest button and get out of the nukage, then south past the lowering wall to get a radiation suit, a box of ammo, a backpack, and a chaingun. (sector 174)
  2. At the central area, head east to a square computer column. Use any side, then quickly run west and south, back to the steps at the starting point. Get on the small ledge to the south which has lowered and ride up. Face north and shoot the red button, opening a nearby wall with the yellow key and a soul sphere. (sector 167)
  3. Return to the nukage and open the yellow door to get armor bonuses, a rocket launcher, a box of rockets, and shotgun shells. (sector 101)
  4. After getting the blue key, return to the nukage room with three doors and open the middle one. Run and jump over the rocks, then go northeast and east into a room with a chainsaw, a megaarmor, and health bonuses. (sector 171)
  5. Entering the room with the switch that opens up the normal exit will also open the door at the northwest end, which leads to the secret exit. (sector 233)

Bugs[edit]

Demo files[edit]

Areas / screenshots[edit]

Speedrunning[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) 0:53.17 Andrea Rovenski 2023-11-24 stey1-3uv53.zip
UV speed (secret exit)
NM speed (normal exit)
NM speed (secret exit)
UV max 2:26.57 Andrea Rovenski 2023-11-24 stey1-3-226.zip
NM 100S
UV -fast
UV -respawn 2:17.60 Andrea Rovenski 2023-11-26 stey1-3r217.zip
UV Tyson 5:59.23 Andrea Rovenski 2023-11-26 stey1-3t559.zip
UV pacifist (normal exit)
UV pacifist (secret exit)

The data was last verified in its entirety on October 27, 2024.

Statistics[edit]

Map data[edit]

Things 235
Vertices 870*
Linedefs 1038
Sidedefs 1490
Sectors 237
* The vertex count without the effect of node building is 806.

Things[edit]

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

Technical information[edit]

Inspiration and development[edit]

Trivia[edit]

See also[edit]

Sources[edit]

External links[edit]