MAP34: Plant Ops (Doom 64)


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Doom 64: The Lost Levels

01 02 03 04 05 06 07 08 09 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 28
Secret maps: 29 30 31 32
Fun levels: 25 26 27
Title map: 33
The Lost Levels

This level occupies the map slot MAP34. For other maps which occupy this slot, see Category:MAP34.

MAP34: Plant Ops is the thirty-fourth map in the 2020 re-release of Doom 64 and the first map of its new The Lost Levels episode. This map takes place on a distant, abandoned UAC base on the surface of Sedna.[1] It was designed by Samuel Villarreal (Kaiser) and uses the music track "Collision Course".


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


Upon starting the map, head into the room in front of you. There you'll encounter the first troopers. Take them out and a switch will rise that raises the bars blocking the teleporters just outside the room. Walk through the rightmost one and you'll find yourself in a corridor accompanied by imps and more troopers. There's a lift across the hall, leading to a channel of nukage and several lost souls and a demon just before another lift. Once you take that elevator, press the switch by the teleporter and then escape, as you won't have the ammo to deal with the monsters through the window yet.

Walking through the teleporter will bring you back to the hall and you'll see that pressing the switch lowered the bars that were previously blocking off the next room. Beware, as when you get near the entrance, some nightmare imps and demons will appear ready to attack. When they are dealt with, do yourself a favor and press a switch by the monitors before entering the next room, since it'll reveal some much needed ammo.

Grab the chaingun in the next room and prepare for a big battle, because opening the door will spawn in a Hell knight along with the other demons seen earlier. Dispatch all enemies and head up the nearby lift, and do the same for the others on the second floor. After that, look behind the pillar near the caged nightmare imps to see the red key. When collecting it, several cacodemons will spawn above the nukage pit.

Open the red door to see another demon and Hell knight, and a switch just beyond a crusher. When heading towards it, more nightmare imps will spawn. Pressing the switch opens a door on the other side of the room, revealing another Hell knight waiting for you and a teleporter to take you back to the starting area. There you'll find many sergeants have entered the battle just beyond the red door leading to the blue key. When passing a certain line, a cacodemon and some imps will appear behind the bars.

After obtaining the blue key, take the opposite teleporter to see a rocket launcher at the center of the room, which was raised before by a platform if you already entered this area. Be careful, as getting the rocket launcher will lower several platforms that set more troopers on you. Opening the blue door, head through the hallway and take down the sergeants and caged imps, and soon you'll find the yellow key in a room filled with more enemies ready to ambush. Once you take care of them, get the key and get out of there.

When you open the yellow door, grab the radiation shielding suit, as there's more nukage in this area. Crossing certain lines will cause more demons to join the fight, including more cacodemons and the first baron of Hell of the expansion. Taking these demons out is necessary, since some stairs get raised when they're all defeated. Once the stairs raise, the teleporter will take you to a small room with a switch. Leaving this room shows you the bridge raised to the door leading to the exit.

Other points of interest[edit]

After heading through the right teleporter, there's a room by the lift that has a green armor.

Just before getting the red key, it's preferred to get the super shotgun that lies on the yet to be raised bridge, as it can come in handy for the rest of the map.


  1. After taking the western teleporter at the start, to the right down the stairs where the security armor is you can press on the computer panel behind the armor to find six armor bonuses. (sector 273)
  2. Immediately after crossing the blue door, press the wall behind the lamp on your left for nine more armor bonuses. (sector 201)
  3. In the room with the yellow keycard, press the central wall to the south to reveal a hidden path and one more wall at the end of it leading to a supercharge. (sector 172)
  4. See secret #3 (sector 173)
  5. See secret #3 (sector 210)


Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]


Map data[edit]

Things 383
Vertices 2725*
Linedefs 2440
Sidedefs 3497
Sectors 347
* The vertex count without the effect of node building is 1899.


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

Monsters 1-2 3 4
Zombieman 15 12 12
Shotgun guy 8 24 28
Imp 18 20 21
Nightmare imp 17 24 28
Lost soul 3 8 10
Demon 6 8 8
Cacodemon 7 8 12
Hell knight 1 9 9
Baron of Hell 1
Weapons 1-2 3 4
Shotgun 1
Super shotgun 1
Chaingun 1
Rocket launcher 1
Ammunition 1-2 3 4
Clip 18
Box of bullets 6
4 shotgun shells 10
Box of shotgun shells 2
Rocket 7
Box of rockets 8
Health & Armor 1-2 3 4
Stimpack 9
Medikit 4
Armor 1
Items 1-2 3 4
Armor bonus 28
Health bonus 33
Supercharge 1
Berserk 1
Radiation shielding suit 1
Keys 1-2 3 4
Blue keycard 1
Red keycard 1
Yellow keycard 1
Miscellaneous 1-2 3 4
Teleport landing 8

Technical information[edit]

Inspiration and development[edit]


External links[edit]


  1. Haley, James (3 July 2021). "Here's an unofficial title screen I made for Doom 64: The Lost Levels. The background is some NASA concept art of Sedna, where the first level takes place." Twitter. Retrieved 2 September 2021.