MAP18: Betrayer (Thirty Years with Doom)

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Thirty Years with Doom maps
Ep.1: Doom 1

01 02 03 04 05 06 07 08 09

Ep.2: Hell on Earth
Ep.3: Far Shores of Hell

20 21 22 23 24 25 26 27 28 29 30

Secret maps

31 32

This level occupies the map slot MAP18. For other maps which occupy this slot, see Category:MAP18.
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MAP18: Betrayer is the eighteenth map of Thirty Years with Doom. It was designed by Slavius and uses the music track "Dream Dweller" by Brayden Hart (AD_79).

Walkthrough[edit]

Map of Betrayer
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]

Other points of interest[edit]

Secrets[edit]

  1. In the first streets, head to the pit to the south and drop to the southwest to get a radiation suit. (sector 933)
  2. In the first streets, head to the north building and jump to the lava to the north to find a berserk pack. (sector 1516)
  3. In the park at the northwest end, enter the building southeast of there and press two switches inside. Head to the southwest end of the park to get a soul sphere. (sector 3064)
  4. In the large building east of the park, head north and take the lift to the eye switch. Press it and go to the edge, then go back down the lift, head north of the counter, and shoot the switch in the counter to access the box of shotgun shells and box of ammo there. (sector 3193)
  5. In the red skull key area, open the south door and use the eye switch. Take the lift back and head north, then east and all the way northeast to get boxes of rockets and a megaarmor. (sector 3877)
  6. Head back from Secret #5 and all the way south. At the dead end, look northwest into the room and shoot the button to open the door. Head inside that building and enter the secret room to find boxes of rockets and medikits. (sector 4815)

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
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 7, 2024.

Statistics[edit]

Map data[edit]

Things 2339
Vertices 29767*
Linedefs 29249
Sidedefs 51308
Sectors 6230
* The vertex count without the effect of node building is 23777.

Things[edit]

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

Technical information[edit]

Inspiration and development[edit]

  • This level is heavily inspired by the music track "The Betrayer" from the Doom Eternal soundtrack.
  • The original concept for this level was as follows: there would be a giant crater with a portal to Hell in the center of the ruined city, and the player would have to jump into it to complete the level. But early in development, the setting was changed to a city that was dragged into Hell. The giant lava hole at the end of the level was meant to be that crater.
  • The change in setting was inspired by the previous map in this WAD, Another Doomed City District.
  • At one point in development, this level was supposed to start on a bridge from the end of the previous level, but this idea was scrapped due to the difference in their styles.

Trivia[edit]

See also[edit]

Sources[edit]

External links[edit]