MAP04: The Chasm (Earth)


Earth maps
This level occupies the map slot MAP04. For other maps which occupy this slot, see Category:MAP04.

MAP04: The Chasm is the fourth map of Earth. It was designed by Roger Ritenour.

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Map of The Chasm
Letters in italics refer to marked spots on the map. Sector numbers in boldface are secrets which count toward the end-of-level tally.


Other points of interest[edit]


  1. From the rocky ledge where the blue key is, you can jump to the rock below containing an armor bonus and a box of shotgun shells. (sector 153)
  2. Enter the cave at the start, and when you see two candles in the corner, lower the wall between them. Follow this passage to find arachnotrons guarding a rocket launcher and two medikits. (sector 159)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

The records for the map at the Doomed Speed Demos Archive are:

Style Time Player Date File Notes
UV speed
NM speed
UV max
UV -fast
UV -respawn
UV Tyson
UV pacifist

Miscellaneous demos[edit]

Style Time Player Date File Notes


Player spawns[edit]

This level contains four spawn points:

  1. facing north-east. (thing 7)
  2. facing south-west. (thing 8)
  3. facing south-west. (thing 9)
  4. facing north-east. (thing 10)


Map data[edit]

Things 215
Vertices 659*
Linedefs 648
Sidedefs 1071
Sectors 178
* The vertex count without the effect of node building is 476.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]