MAP03: Inversion Duality (Nex Credo)

Nex Credo maps
MAP01: The Approach MAP02: Waste Conduit MAP03: Inversion Duality MAP04: Jade Tumult MAP05: The Basin MAP06: Nexus MAP07: Conquietus Explicitus MAP08: Processing MAP09: The Path MAP10: Silence MAP11: Egress

This level occupies the map slot MAP03. For other maps which occupy this slot, see Category:MAP03.

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MAP03: Inversion Duality is the third map of Nex Credo. It was designed by Jay Trent (Jayextee) and uses the music track "DOOM" by Robert Prince, from Doom II.

Walkthrough

Map of Inversion Duality

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. Approach the red key and the wall at the south end of the room opens, revealing armor bonuses. (sector 8)
2. Shoot the south wall in Secret #1 to get a chaingun. (sector 107)
3. At the southernmost end, go to the lamp and use the west wall to find a green armor. (sector 109)

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 31, 2024.

Deathmatch

Player spawns

This level contains seven spawn points:

1. facing south. (thing 242)
2. facing south. (thing 243)
3. facing south. (thing 244)
4. facing south-west. (thing 245)
5. facing south. (thing 246)
6. facing south. (thing 247)
7. facing east. (thing 249)

Statistics

Map data

Things	263
Vertices	1332*
Linedefs	1270
Sidedefs	1949
Sectors	216

* The vertex count without the effect of node building is 1030.

Things

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

Single-player
Monsters	1-2	3	4-5
Zombieman	21	27	30
Shotgun guy	7	11	13
Imp	18	41	51
Lost soul	0	7	7
Demon	3	6	8
Revenant	2	6	7
Weapons	1-2	3	4-5
Shotgun	2
Chaingun	1
Ammunition	1-2	3	4-5
Clip	6
Box of bullets	3
4 shotgun shells	6
Box of shotgun shells	4
Health & Armor	1-2	3	4-5
Stimpack	13	14	9
Medikit	4	3	4
Armor	1
Items	1-2	3	4-5
Armor bonus	24
Health bonus	12
Keys	1-2	3	4-5
Blue keycard	1
Red keycard	1
Yellow keycard	1
Miscellaneous	1-2	3	4-5
Teleport landing	5

Multiplayer
Monsters	1-2	3	4-5
Zombieman	21	27	30
Shotgun guy	7	11	13
Imp	18	41	51
Lost soul	0	7	7
Demon	3	6	8
Revenant	4	8	9
Arch-vile	1
Weapons	1-2	3	4-5
Shotgun	2
Super shotgun	1
Chaingun	3
Rocket launcher	2
Plasma gun	1
BFG9000	1
Ammunition	1-2	3	4-5
Clip	6
Box of bullets	3
4 shotgun shells	6
Box of shotgun shells	4
Box of rockets	7
Health & Armor	1-2	3	4-5
Stimpack	13	14	9
Medikit	4	3	4
Armor	1
Items	1-2	3	4-5
Armor bonus	24
Health bonus	12
Keys	1-2	3	4-5
Blue keycard	1
Red keycard	1
Yellow keycard	1
Miscellaneous	1-2	3	4-5
Cooperative start	4
Deathmatch start	7
Teleport landing	5

Trivia

• This map is featured in Freedoom: Phase 2 as MAP14: Nuclear Zone.

External links

• Nex Credo demos at the Doom Speed Demo Archive