E1M6: Primary Base (CH Retro Episode)

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CH Retro Episode maps
This level occupies the map slot E1M6. For other maps which occupy this slot, see Category:E1M6.
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E1M6: Primary Base is the sixth map of CH Retro Episode. It was designed by Christian Hansen and was originally released as a standalone level.


Map of Primary Base
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 33)
  2. (sector 189)
  3. (sector 216)
  4. (sector 243)
  5. (sector 291)
  6. (sector 389)


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 ten spawn points:

  1. facing west. (thing 426)
  2. facing south-east. (thing 427)
  3. facing north. (thing 428)
  4. facing south. (thing 429)
  5. facing east. (thing 430)
  6. facing north. (thing 431)
  7. facing east. (thing 432)
  8. facing south. (thing 433)
  9. facing north. (thing 434)
  10. facing east. (thing 435)


Map data[edit]

Things 456
Vertices 1816*
Linedefs 2000
Sidedefs 2772
Sectors 398
* The vertex count without the effect of node building is 1585.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]