E3M1: Cardinal Sin (UnBeliever)

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UnBeliever maps
Episode 1: Gimmicky Gauntlets

M1 M2 M3 M4 M5 M6 M7 M8 M9

Episode 2: Limited Linedefs

M1 M2 M3 M4 M5 M6 M7 M8 M9

Episode 3: Tricky Trials
Bonus map


This level occupies the map slot E3M1. For other maps which occupy this slot, see Category:E3M1.
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E3M1: Cardinal Sin is the first map in episode Tricky Trials of UnBeliever. It was designed by scwiba.


Map of Cardinal Sin
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. In the blue key room, lower the southwest wall to get a map scroll. (sector 227)
  2. In the green key room, lower the north wall to get a mystic urn. (sector 308)
  3. Jump east of the yellow key over the brazier to go through the wall with a silver shield. (sector 309)


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
SM speed
SM max
BP speed
BP max
NM speed
NM 100S

The (absence of) data was last verified in its entirety on May 8, 2022.


Player spawns[edit]

This level contains four spawn points:

  1. facing north-west. (thing 134)
  2. facing south. (thing 135)
  3. facing south-west. (thing 137)
  4. facing north. (thing 138)


Map data[edit]

Things 209
Vertices 2128*
Linedefs 1961
Sidedefs 3019
Sectors 310
* The vertex count without the effect of node building is 1683.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]