MAP37: Forgoten Echoes+ (TNT: Overcharged)

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TNT: Overcharged bonus maps

01 02 03 04 05 06 07 08 09 10 11
12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
Secret maps: 31 32 33 34
Bonus maps

This level occupies the map slot MAP37. For other maps which occupy this slot, see Category:MAP37.
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MAP37: Forgoten Echoes+ [sic] is the third bonus map of TNT: Overcharged. It was designed by Veemon and uses the music track "Resurgence" by Snaxalotl, from Abscission.

Walkthrough[edit]

Map of Forgoten Echoes+
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 east cave, there are three cages with chaingunners in them. Look at the second one you come to and shoot the button, then look northeast and shoot the next switch on the marble face wall. Head east and southeast, flipping the switch if you have not done so already to open the east wall, then use the skull switch here to open the north wall. Follow the ammo clips to a soul sphere. (sector 178)
  2. In the first Icon of Sin area, get on the red key platform, ride to the top, and shoot at the eye switch where the brain is (the super shotgun's spread can help with this). This lowers a megasphere to the right. (sector 1568)
  3. Climb up the steps northwest of the yellow keycard and jump northwest to a mural. Open it to get a megasphere. (sector 3155)
  4. After going through the southeast hall, head through the darker west hall and use the last face to the north (which blinks differently than the rest). This opens the hall to the west, which has a switch that creates steps going north. Take the teleporter at the end to enter the cage with the BFG9000s. (sector 3482)
  5. At the end of the dark hall mentioned above, press the switch, go back through the southeast hall, then south up the steps. Flip the fiery switch here, enter the south compartment, and open the back wall for a passage to a computer area map. (sector 3243)
  6. Flip the fiery switch mentioned above, go back through the southeast hall, then north to the open door. Before heading through, use the dark wall to the west, then go back in the dark hall west of here and take the teleporter immediately to the south to get to the southeast back wall, where you can get a megasphere. (sector 3690)
  7. In the cave south of the starting area, go all the way to the west side and use the switch on the west wall, which opens the megasphere cage behind you. (sector 242)

Bugs[edit]

A megaarmor (thing 1149) and a supercharge (1150) have no flags set for any of the three difficulty classes, so they do not actually appear in the level.

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 November 18, 2025.

Statistics[edit]

Map data[edit]

Things 2571
Vertices 26986*
Linedefs 31663
Sidedefs 53776
Sectors 4673
* The vertex count without the effect of node building is 26986.

Things[edit]

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

Technical information[edit]

Inspiration and development[edit]

Trivia[edit]

See also[edit]

Sources[edit]

External links[edit]