MAP26: Iron Sepulchre (Constriction: 1024)

Constriction: 1024 maps 21-30
MAP21: Frank's Fluids MAP22: The Garden of Tears MAP23: An Unsuspicious Village MAP24: Bloodache MAP25: Skies of Vengeance MAP26: Iron Sepulchre MAP27: World of Goop MAP28: The Dome of Creation MAP29: Lily of the Nile MAP30: Lament Constriction
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 (21 - 30) Secret maps: 31 32

This level occupies the map slot MAP26. For other maps which occupy this slot, see Category:MAP26.

This article about a map is a stub. Please help the Doom Wiki by adding to it.

MAP26: Iron Sepulchre is the twenty-sixth map of Constriction: 1024. It was designed by knifeworld and uses the music track "MID00013" from the alpha version of Blood. The par time defined in UMAPINFO is 2:30.

Walkthrough

Map of Iron Sepulchre

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 south end of the map, go west, up to the exit teleporter, then quickly run back east to the southeast corner, north, and then west to the small alley with a megaarmor. (sector 49)

Speedrunning

Current records

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

Run	Time	Player	Date	File	Notes
UV speed	0:41.60	ChaingunChaCha	2025-06-26	cnst26p41.zip	Cross-listed from Pacifist
NM speed
UV max	3:50.71	yrriban	2025-02-28	cnst26-0350.zip
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist	0:41.60	ChaingunChaCha	2025-06-26	cnst26p41.zip
Stroller	1:01.49	ChaingunChaCha	2025-06-27	cnst26str101.zip

The data was last verified in its entirety on September 23, 2025.

Deathmatch

Player spawns

This level contains only two spawn points, making it unplayable in deathmatch mode:

1. facing west. (thing 75)
2. facing north. (thing 76)

Statistics

Map data

Things	93
Vertices	1747*
Linedefs	1197
Sidedefs	2337
Sectors	144

* The vertex count without the effect of node building is 1139.

Things

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

Single-player
Monsters	1-2	3	4-5
Heavy weapon dude	1
Imp	4	6	8
Demon	3
Revenant	4	6	5
Cacodemon	2	3	4
Pain elemental	1	2	2
Hell knight	1	1	0
Baron of Hell	1	1	2
Mancubus	1
Arch-vile	1	1	2
Cyberdemon	0	0	1
Weapons	1-2	3	4-5
Super shotgun	1
Rocket launcher	1
Plasma gun	1
Ammunition	1-2	3	4-5
Box of shotgun shells	3
Box of rockets	9
Energy cell pack	3
Health & Armor	1-2	3	4-5
Stimpack	10
Medikit	7
Megaarmor	2
Items	1-2	3	4-5
Supercharge	2
Miscellaneous	1-2	3	4-5
Voodoo doll	1

Cooperative
Monsters	1-2	3	4-5
Heavy weapon dude	1
Imp	4	6	8
Demon	3
Revenant	4	6	5
Cacodemon	2	3	4
Pain elemental	1	2	2
Hell knight	1	1	0
Baron of Hell	1	1	2
Mancubus	1
Arch-vile	1	1	2
Cyberdemon	0	0	1
Weapons	1-2	3	4-5
Super shotgun	3
Rocket launcher	1
Plasma gun	1
Ammunition	1-2	3	4-5
Box of shotgun shells	3
Box of rockets	9
Energy cell pack	3
Health & Armor	1-2	3	4-5
Stimpack	10
Medikit	7
Megaarmor	2
Items	1-2	3	4-5
Supercharge	2
Miscellaneous	1-2	3	4-5
Cooperative start	4
Voodoo doll	1

Deathmatch
Monsters	1-2	3	4-5
Heavy weapon dude	1
Imp	4	6	8
Demon	3
Revenant	4	6	5
Cacodemon	2	3	4
Pain elemental	1	2	2
Hell knight	1	1	0
Baron of Hell	1	1	2
Mancubus	1
Arch-vile	1	1	2
Cyberdemon	0	0	1
Weapons	1-2	3	4-5
Super shotgun	3
Rocket launcher	1
Plasma gun	1
Ammunition	1-2	3	4-5
Box of shotgun shells	3
Box of rockets	9
Energy cell pack	3
Health & Armor	1-2	3	4-5
Stimpack	10
Medikit	7
Megaarmor	1
Miscellaneous	1-2	3	4-5
Deathmatch start	2

External links

• Constriction: 1024 demos at the Doom Speed Demo Archive