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This level occupies the map slot MAP23. For other maps which occupy this slot, see Category:MAP23.
This level occupies the map slot MAP21. For other maps which occupy this slot, see Category:MAP21.

MAP23: Lunar Mining Project (MAP21 in PSX) is the twenty-third map of TNT: Evilution. It was designed by Paul Turnbull, and uses the music track "Bye Bye American Pie" from Doom II (the same as Doom II's MAP23.) Indeed, MAP23 of all three official Doom2-type IWADs use this track.


This is the last level of TNT: Evilution to use techbase scenery.




Get the red key


The start[]

You start in a hallway with zombies inside. In these hallways are several windows, all overlooking a big outside area with lots of enemies. On the two lowest difficulties you can kill them from the windows, but on the highest difficulties is recommended to kill them only once you've entered the area through the red doors, because an Arch-Vile will resurrect the enemies. By the way, when you start, the exit door is just behind you, but you need the blue key to open it.

The yellow key[]

From the start, follow the right path of the hallway until you come across four doors: open the third or the fourth one to grab the yellow key.

The red key (not mandatory)[]

Keep walking down the hallway until you reach a large room with several gunners. Use a chair to climb on the ledge where the red key rests. Now you can open one of the three red doors to kill the enemies outside, but it's not mandatory.

The cave and the blue key[]

In the room with the red key are two lifts that will take you in the cavern part of the map. In the cavern, find another lift and take it, go straightforward until you have to drop down into a room with a nukage river: it contains the blue key. Grabbing the blue key will induce lots of enemies to teleport, not only in the cave, but also in the main corridor.

The end[]

Backtrack to the blue door, open it, mow down the final opposition and exit through the portal.

TNT MAP23 map

Map of MAP23


  1. From the start, go through the eastern door. There are four doors on the eastern side of this hallway. Enter the third one from the south. To the left of the yellow keycard is a library behind a medikit. Inside is an imp and another medikit. (On HMP or higher, you'll find also a Box of shotgun shells.)
  2. In the room with the red key, open a panel on the northern wall, marked by a different texture.
  3. There is a cave northwest of the mining tunnels. In the middle of the cave there is a table with an invulnerability sphere. Sprint-jump on the table to get it.


Six of the seven shotguns are only accessible in deathmatch mode (or by using the idclip cheat), but are not tagged as multiplayer-only.


Routes and tricks[]

Getting the red keycard and opening red doors are unnecessary to finish the level.


Map data[]

Things 275
Vertices 1750
Linedefs 1897
Sidedefs 802
Sectors 304


Monsters ITYTD and HNTR HMP UV and NM
Sergeants 22 33 33
Spectres 1 1 1
Imps 1 13 17
Barons of Hell 0 2 3
Troopers 11 22 24
Lost Souls 0 0 14
Arch-Viles 0 1 1
Chaingunners 6 16 21
Revenants 0 1 4
Powerups ITYTD and HNTR HMP UV and NM
Stim packs 7 7 7
Medikits 9 9 9
Soul spheres 1 1 1
Green armors 5 5 5
Invulnerabilities 1 1 1
Berserks 1 1 1
Weapons ITYTD and HNTR HMP UV and NM
Shotguns 7 7 7
Chainguns 1 1 1
Rocket launchers 1 1 1
Super shotguns 1 1 1
Ammunition ITYTD and HNTR HMP UV and NM
Shells 7 7 7
Rocket boxes 3 3 3
Ammo boxes 2 2 2
Shell boxes 5 6 6
Blue cards 1 1 1
Yellow cards 1 1 1
Red cards 1 1 1


The Compet-N records for the map are:

Run Time Player Date File Notes
UV speed 00:31 Xit Vono 2002-11-15
NM speed 00:40 Xit Vono 2003-02-14
UV max 03:31 Radek Pecka 2002-03-02
NM100S 00:56 Xit Vono 2002-08-03
UV -fast 08:16 Yonatan Donner 1997-01-15
UV -respawn
UV Tyson 15:35 Xit Vono 2001-07-31
UV pacifist 00:31 Xit Vono 2002-11-15

External links[]