MAP15: The Theory of Broken Circles (BTSX-E2)


Back to Saturn X E2 maps 12-16

01 02 03 04 05
06 07 08 09 10 11
(12 - 16)
17 18 19 20 21 22 23
24 25 26
Secret map: 31

This level occupies the map slot MAP15. For other maps which occupy this slot, see Category:MAP15.

MAP15: The Theory of Broken Circles is the fifteenth map of the second episode of Back to Saturn X. It was designed by Björn Ostmann (Vader) and uses the music track "Geometry," composed by James Paddock (Jimmy). The par time is .

The secret level, MAP31: Fireking Says No Cheating, is accessible from this level.

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Map of The Theory of Broken Circles
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. (sector 140)
  2. (sector 490)
  3. (sector 500)
  4. (sector 552)
  5. (sector 700)
  6. (sector 842)
  7. (sector 1022)
  8. (sector 1153)
  9. (sector 1253)


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:

Run 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

This information was last verified in its entirety on January 20, 2018.



Map data[edit]

Things 1573
Vertices 6480*
Linedefs 6697
Sidedefs 10517
Sectors 1439
* The vertex count without the effect of node building is 5168.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]