Internal Reaches 4


Internal Reaches 4
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Author Samuel Villarreal
Port Vanilla Doom
Year 2004
Link Doomworld/idgames
This level occupies the map slot MAP01. For other maps which occupy this slot, see Category:MAP01.
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Internal Reaches 4 is a single-level PWAD for Doom II that was released in 2004. It was designed by Samuel Villarreal (Kaiser) and is also known as Kaiser 8.


Map of Internal Reaches 4
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. Head south at the start, then west at the intersection. Before the next intersection, use the gargoyle switch on the north wall to find a super shotgun. Approaching it lowers the wall nearby, with a demon, two Hell knights, a berserk pack, and a box of ammo on it. (sector 264)
  2. At the west end of the map, enter the central courtyard for the outer wall to open. Go to the north end of this outer wall and press on the wall to the east that is slightly misaligned to pick up a BFG9000. (sector 481)


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 5:49.40 Veinen 2018-07-14
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

The data was last verified in its entirety on December 6, 2021.


Player spawns[edit]

This level contains four spawn points:

  1. facing west. (thing 395)
  2. facing east. (thing 396)
  3. facing east. (thing 397)
  4. facing east. (thing 398)


Map data[edit]

Things 416
Vertices 2792*
Linedefs 3039
Sidedefs 4436
Sectors 483
* The vertex count without the effect of node building is 2392.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]