MAP33: Nil (Claustrophobia 1024)

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Claustrophobia 1024 secret maps

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Secret maps

This level occupies the map slot MAP33. For other maps which occupy this slot, see Category:MAP33.

MAP33: Nil is the first bonus map of Claustrophobia 1024. It was designed by Brett Harrell (Mechadon), and uses the music track "Chimes of Death" by James Paddock (Jimmy).

Walkthrough[edit]

Map of Nil, cropped to only show the playable area
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.

Essentials[edit]

Take the shotgun (and megaarmor on Hurt Me Plenty (HMP) skill level or lower) then press the button behind you to go up to the center chamber; imps and zombies will teleport in as you reach the top. Take the chainsaw, chaingun and supercharge (or megasphere on Ultra-Violence (UV) and Nightmare (NM)) in this chamber then press the button at the north end to lower the wall on your right. Kill the imps and shotgun guys that appear, then head south down some stairs until you reach a set of metal bars - next to these bars is a bloodfall with another switch inside it. Go back up to the center chamber where the north-west door has now opened, kill more of the same monsters that have appeared then go down another set of stairs to find another bloodfall. Pressing the switch inside this second bloodfall will lower the bars and allow you to collect the blue skull key after a period of time - while you wait, you should kill the barons of Hell, cacodemons and other monsters that teleport in from the north.

Go back to the center chamber and press the blue button on the south wall - this will open the east and west doors to reveal two revenants (or mancubi on HMP or higher) guarding a pair of buttons, then bring in a group of chaingunners, cacodemons and lost souls, then open the column at the north end of the map and reveal the yellow skull key. Press the buttons inside both chambers, fight your way over to the yellow key then go back to the south end of the map to see that two chain switches have opened, along with a supercharge and megaarmor; pulling both switches reveals the red skull key inside the nearby blood pool, but will also bring in a variety of other monsters that teleport in.

With the red key, go back to the north end of the map and carefully walk around the columns at the east and west ends to find two more chain switches (do not fall into the nearby pits as this will cause instant death). Pulling both switches will open two large structures to the east and west that contain mancubi/arachnotrons, then open the large block on the north side to reveal a cyberdemon, then cause a pack of demons to teleport to the central chamber; after this, the columns by the switches you just pulled will lower to reveal two final buttons along with barons. Press both buttons and kill a final wave of monsters, including one or two arch-viles, then go back to the south end of the map where some bars have lowered allowing you to drop into a square hole and end the level.

Other points of interest[edit]

Secrets[edit]

  1. The sector you start in is a secret and is impossible to miss. (sector 76)
  2. On the west side of the map is a raised ledge with a partial invisibility on it. You can reach it after the curved walls on the east and west sides of the center chamber lower, and you can then perform a running jump to the ledge and trigger the secret, but you can also reach it by hugging the grey brick wall, and then finding a suitable place to perform a running jump over to it. (sector 322)
  3. A similar secret is found on the east side of the map, though it houses armor. The same methods can be used to reach it. (sector 1237)

Bugs[edit]

Demo files[edit]

Areas / screenshots[edit]

Speedrunning[edit]

Routes and tricks[edit]

Current records[edit]

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

Run Time Player Date File Notes
UV speed 3:11.74 Boris Klimeš (dew) 2009-07-07 2c33-311.zip
NM speed
UV max 6:44.77 Brian Nesser (Anima Zero) 2009-07-01 2c33-644.zip
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

The data was last verified in its entirety on December 21, 2021.

Statistics[edit]

Map data[edit]

Things 1024
Vertices 9635*
Linedefs 9022
Sidedefs 16295
Sectors 1330
* The vertex count without the effect of node building is 7122.

Things[edit]

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

Technical information[edit]

Inspiration and development[edit]

This level has similarities to MAP32: Nullspace Junior of Congestion 1024. Both maps are set in a black space void and feature medieval-style architecture. The starting areas are also very similar: both levels put the player in a small closet with a switch that causes the floor to rise, and the starting sector is tagged as a secret in both maps. However, compared to Nullspace Junior, this level is somewhat harder, containing many more enemies and therefore suggesting a more offensive approach.

Trivia[edit]

See also[edit]

Sources[edit]

External links[edit]