E1M1: Open Canyon (Heretic Treasure Chest)

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Heretic Treasure Chest maps
Episode 1
Episode 2

M1 M2 M3 M4 M5 M6 M7 M8 M9

Episode 3

M1 M2 M3 M4 M5 M6 M7 M8 M9

This level occupies the map slot E1M1. For other maps which occupy this slot, see Category:E1M1.

E1M1: Open Canyon is the first map of episode 1 of Heretic Treasure Chest. It was designed by Przemek Zimny (alterworldruler) and uses the music track " ".

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Map of Open Canyon
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. Head to the north end of the cave at the start. When you see an alcove with a Quiver of Ethereal Arrows, pick it up, then quickly run southwest to reach another alcove with a Morph Ovum. (sector 46)
  2. At the wooden hall with two side rooms, enter the left one and go around the barrels to the passage in the northwest corner, leading to a Quartz Flask. Open the wall behind it to find a Silver Shield. (sector 183)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

The Compet-n records for the map are:

Style Time Player Date File Notes
UV speed **
NM speed **
UV max **
NM100S **
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 west. (thing 1)
  2. facing south. (thing 31)
  3. facing north. (thing 49)
  4. facing north. (thing 158)


Map data[edit]

Things 208
Vertices 1303*
Linedefs 1245
Sidedefs 1824
Sectors 271
* The vertex count without the effect of node building is 988.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]