MAP23: River Styx (Hellfire)


Hellfire maps 21-28

01 02 03 04 05 06 07
(21 - 28)

This level occupies the map slot MAP23. For other maps which occupy this slot, see Category:MAP23.
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MAP23: River Styx is the tenth map of Hellfire. It was designed by Shadowman and uses the music track "".


Map of River Styx
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.


Other points of interest[edit]


  1. After getting the yellow key, return to the cave with the teleporter leading to it and go northeast to get a berserk pack and rockets. (sector 101)
  2. Open the yellow door at the west side. In the next room, open the southeast wall to get a computer area map. (sector 106)
  3. In the maze at the east end, head south and into the southeast corner to find a backpack through the wall. (sector 142)
  4. Pick up the red key in the east maze, then head out and east, then at the easternmost part of the north area, head south. Go through a wall at the south end to find an energy cell and a switch. (sector 148)
  5. In the maze at the east end, make your way to the southwesternmost corner and go through the wall at the west side to get a green armor. (sector 152)
  6. In the maze at the east end, head south until the second lift down. Take it and head west, hugging the north wall until you get a backpack. (sector 257)
  7. After getting the blue key, return to the hub, open the yellow door on the left, then open the red door and head south. You will find an energy cell and a lift leading up to more energy cells and a megasphere. (sector 210)
  8. In the lava cave at the north end, enter the central rock and open the east wall to get a medikit and a teleporter back. (sector 246)


Demo files[edit]

Areas / screenshots[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 December 13, 2021.


Map data[edit]

Things 760
Vertices 3764*
Linedefs 3672
Sidedefs 5446
Sectors 292
* The vertex count without the effect of node building is 3124.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]