MAP01: Dark Fortress (Irkalla)

Irkalla maps
MAP01: Dark Fortress MAP02: Valley of Sorrow MAP03: Chaos MAP04: Den of Suffering MAP05: Temple of Blasphemies MAP06: Tartarian Depths MAP07: Ascension From Acheron MAP08: Hypogean Enigma MAP09: Fields of Asphodel MAP10: Agony's Embrace MAP11: Sheol

This level occupies the map slot MAP01. For other maps which occupy this slot, see Category:MAP01.

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MAP01: Dark Fortress is the first map of Irkalla. It was designed by Stormwalker (Vordakk) and uses the music track "Sepulchral" by Hellish Godzilla, from Plutonia MIDI Pack.

Walkthrough

Map of Dark Fortress

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 collapsing bridge inside the main building, head southeast and go to the switch in the middle. Press it, then the lift afterwards, then ride up to a green armor. (sector 878)
2. In the room with the exit door, use the dead cacodemon corpse on the west wall to get a rocket and a rocket launcher. (sector 48)

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 June 28, 2023.

Statistics

Map data

Things	562
Vertices	9092*
Linedefs	10439
Sidedefs	18525
Sectors	2748

* The vertex count without the effect of node building is 7779.

Things

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

Single-player
Monsters	1-2	3	4-5
Zombieman	12	14	14
Shotgun guy	6	9	10
Heavy weapon dude	1	4	4
Imp	50	62	76
Lost soul	7	10	12
Demon	5	8	10
Spectre	2
Revenant	0	1	3
Cacodemon	5	6	8
Hell knight	0	0	1
Cyberdemon	1
Weapons	1-2	3	4-5
Shotgun	1
Chaingun	1
Rocket launcher	1
Ammunition	1-2	3	4-5
Clip	20
Box of bullets	12
4 shotgun shells	8
Box of shotgun shells	5
Rocket	1
Health & Armor	1-2	3	4-5
Stimpack	10
Medikit	3
Armor	1
Items	1-2	3	4-5
Armor bonus	23
Health bonus	21
Supercharge	1
Keys	1-2	3	4-5
Yellow skull key	1
Miscellaneous	1-2	3	4-5
Teleport landing	9

Multiplayer
Monsters	1-2	3	4-5
Zombieman	12	14	14
Shotgun guy	6	9	10
Heavy weapon dude	1	4	4
Imp	50	62	76
Lost soul	7	10	12
Demon	5	8	10
Spectre	2
Revenant	0	1	3
Cacodemon	5	6	8
Hell knight	0	0	1
Cyberdemon	1
Weapons	1-2	3	4-5
Shotgun	1
Chaingun	1
Rocket launcher	1
Ammunition	1-2	3	4-5
Clip	20
Box of bullets	12
4 shotgun shells	8
Box of shotgun shells	5
Rocket	1
Health & Armor	1-2	3	4-5
Stimpack	10
Medikit	3
Armor	1
Items	1-2	3	4-5
Armor bonus	23
Health bonus	21
Supercharge	1
Keys	1-2	3	4-5
Yellow skull key	1
Miscellaneous	1-2	3	4-5
Cooperative start	4
Teleport landing	9