MAP21: The Lost Facility (The Twilight Zone)

MAP21: The Lost Facility is the twenty-first map of The Twilight Zone. It was designed by Paul Corfiatis and uses the music track from E1M7/E4M7 of Heretic, composed by Kevin Schilder. The par time defined in MAPINFO is 3:45.

Secrets

 * 1) Open the wall behind the starting point to get a berserk pack, a megasphere, and a radiation suit. (sector 4)
 * 2) In the water area at the north end of the map, open the wall in the southwest corner near the entrance to find a chainsaw, a plasma gun, a box of ammo, and a box of shotgun shells. (sector 54)

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

The (absence of) data was last verified in its entirety on January 16, 2022.

Player spawns
This level contains five spawn points:
 * 1) facing east. (thing 37)
 * 2) facing west. (thing 115)
 * 3) facing south. (thing 144)
 * 4) facing east. (thing 207)
 * 5) facing east. (thing 372)

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