E3M7: Underworld (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 E3M7. For other maps which occupy this slot, see Category:E3M7.

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E3M7: Underworld is the seventh map of Spectrum. It was designed by Adam Windsor (Capellan) and uses the music track "I Lost My BFG" by Taw Tu'lki.

Walkthrough

Map of Underworld

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. At the northwest cave, take the steps and jump west. Open the west wall and enter the teleporter to get a backpack and an energy cell. (sector 47)
2. On the rock ledge at the northwest end, head to the yellow door and open the east wall to get a BFG9000. (sector 52)
3. In the room with the blue and yellow keys, head to the northwest platform and you will lower the west wall. Open it and get the computer area map. (sector 105)
4. In the lava room, head behind the slab at the south end, then use the back of it. Quickly take the steps, jump to the center, then onto the block to the north and through to get health bonuses and a megaarmor. (sector 291)
5. At the north end, head south to the marble floor, jump into the alcove to the south, then to the east ledge. Open the recessed wall and pick up a soul sphere. (sector 421)
6. In the central cave, head south and open the dark hellgrowth wall to get health bonuses, a backpack, and an energy cell. (sector 497)
7. At the northeast end are two red pillars at the east side. Use the wall behind the south one to remove bars to get a box of rockets and an energy cell. (sector 648)

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	11:41.49	vdgg	2022-11-14	spectrum37-1141.zip
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

The data was last verified in its entirety on November 17, 2022.

Statistics

Map data

Things	941
Vertices	4710*
Linedefs	3955
Sidedefs	5879
Sectors	649

* The vertex count without the effect of node building is 3322.

Things

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

Single-player
Monsters	1-2	3	4-5
Zombieman	155	168	182
Shotgun guy	97	102	113
Lost soul	10	15	19
Demon	45	48	51
Spectre	10	17	22
Cacodemon	29	33	37
Baron of Hell	7	8	10
Weapons	1-2	3	4-5
Chaingun	2
Rocket launcher	1
Plasma gun	1
BFG9000	2
Ammunition	1-2	3	4-5
Box of bullets	3	3	2
4 shotgun shells	2
Rocket	41
Box of rockets	1
Energy cell	27
Health & Armor	1-2	3	4-5
Stimpack	28	27	24
Medikit	3
Armor	2
Megaarmor	1
Items	1-2	3	4-5
Health bonus	50
Supercharge	1
Backpack	3
Computer area map	1
Radiation shielding suit	1	1	0
Keys	1-2	3	4-5
Blue skull key	1
Yellow skull key	1
Miscellaneous	1-2	3	4-5
Exploding barrel	36
Teleport landing	21

Multiplayer
Monsters	1-2	3	4-5
Zombieman	164	177	191
Shotgun guy	111	116	127
Lost soul	11	16	20
Demon	49	52	55
Spectre	14	21	26
Cacodemon	42	46	50
Baron of Hell	8	9	11
Weapons	1-2	3	4-5
Chaingun	2
Rocket launcher	1
Plasma gun	1
BFG9000	2
Ammunition	1-2	3	4-5
Box of bullets	3	3	2
4 shotgun shells	2
Rocket	41
Box of rockets	1
Energy cell	27
Health & Armor	1-2	3	4-5
Stimpack	28	27	24
Medikit	3
Armor	2
Megaarmor	1
Items	1-2	3	4-5
Health bonus	50
Supercharge	1
Backpack	3
Computer area map	1
Radiation shielding suit	1	1	0
Keys	1-2	3	4-5
Blue skull key	1
Yellow skull key	1
Miscellaneous	1-2	3	4-5
Cooperative start	4
Exploding barrel	36
Teleport landing	21

External links

• Spectrum demos at the Doom Speed Demo Archive