E3M3: Engineering (Spectrum)

Spectrum maps
E3M1: Security E3M2: Powerplant E3M3: Engineering E3M4: Command E3M5: Technology E3M6: Rift E3M7: Underworld E3M8: Mastermind E3M9: Imposter

This level occupies the map slot E3M3. For other maps which occupy this slot, see Category:E3M3.

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E3M3: Engineering is the third map of Spectrum. It was designed by Adam Windsor (Capellan) and uses the music track "Waltz Before Apocalypse" by Taw Tu'lki.

Walkthrough

Map of Engineering

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.

Secrets

1. In the blue room at the east end, climb the steps and jump the blocks to the south, then to the west wall which has a medikit and rockets. (sector 135)
2. In the central tower with the single radiation suit, lower the southeast light to find a backpack. (sector 185)
3. At the west end, in a green room, open the northeast wall near the computer to access a platform section. (sector 263)
4. Accessing Secrets #1, #2, and #3 will allow you to get the blue key and cross to the northeast side. Open the door and head all the way to the north and west, opening the door to get a stimpack and a switch. (sector 396)
5. See Secret #4. One of the secret sectors in Secret #4 is actually the northeast corner. (sector 209)

Speedrunning

Current records

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

Run	Time	Player	Date	File	Notes
UV speed
NM speed
UV max
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

The (absence of) data was last verified in its entirety on January 24, 2022.

Statistics

Map data

Things	444
Vertices	2725*
Linedefs	2270
Sidedefs	3391
Sectors	397

* The vertex count without the effect of node building is 1889.

Things

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

Single-player
Monsters	1-2	3	4-5
Zombieman	49	52	57
Shotgun guy	57	66	74
Lost soul	9	11	15
Demon	14	14	15
Spectre	10	13	14
Cacodemon	11	14	17
Weapons	1-2	3	4-5
Chaingun	2
Rocket launcher	1
Ammunition	1-2	3	4-5
4 shotgun shells	13
Rocket	26	24	24
Box of rockets	2
Health & Armor	1-2	3	4-5
Stimpack	14
Medikit	5
Armor	2
Megaarmor	1
Items	1-2	3	4-5
Armor bonus	13
Health bonus	22
Backpack	1
Berserk	1
Radiation shielding suit	3
Keys	1-2	3	4-5
Blue keycard	1

Multiplayer
Monsters	1-2	3	4-5
Zombieman	53	56	61
Shotgun guy	62	71	79
Lost soul	11	13	17
Demon	17	17	18
Spectre	11	14	15
Cacodemon	15	18	21
Weapons	1-2	3	4-5
Chaingun	2
Rocket launcher	1
Ammunition	1-2	3	4-5
4 shotgun shells	13
Rocket	26	24	24
Box of rockets	2
Health & Armor	1-2	3	4-5
Stimpack	14
Medikit	5
Armor	2
Megaarmor	1
Items	1-2	3	4-5
Armor bonus	13
Health bonus	22
Backpack	1
Berserk	1
Radiation shielding suit	8
Keys	1-2	3	4-5
Blue keycard	1
Miscellaneous	1-2	3	4-5
Cooperative start	4

External links

• Spectrum demos at the Doom Speed Demo Archive