E4M4: Phobos Island (007: Licence to Spell DooM)

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007: Licence to Spell DooM maps
This level occupies the map slot E4M4. For other maps which occupy this slot, see Category:E4M4.
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E4M4: Phobos Island is the fourth map of 007: Licence to Spell DooM. It was designed by Stephen Clark (The Ultimate DooMer).


Map of Phobos Island
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 C-shaped hall at the east side, go to the northeast side of the hall and to the red terminal. Use the east side of this terminal, then go on the corner lift next to the north door. Ride it up to get a medikit. (sector 351)
  2. In the western halls, shoot six monitors and you will get a message saying "Who says it's wrong to smash stuff?" This will open the southwest wall in the halls leading to ammo, a stimpack, and a computer area map. (sector 714)
  3. In the nukage room at the south end, fall into the nukage at the west side and dive at the poison sign to find an energy cell pack. (sector 716)
  4. In the western halls, head to the northeast end and dive into the nukage to get a blur artifact. (sector 719)
  5. In the nukage room, open the northwest door. In this room, head to the light at the west end and open the wall to the south for a lift down. Grab a radiation suit and pick up an energy cell and a rocket. (sector 721)
  6. In the maze at the north end, from the east door, head south and into the tightest part, then open the south wall to find ammo. (sector 722)
  7. Open the wall where the plasma gun is to get a berserk pack. (sector 725)
  8. In the C-shaped hall at the east side, go to the north door and climb the steps to it, then quickly run to the southwest corner of the C-shaped hall and take the corner lift up to a box of shotgun shells. (sector 729)
  9. In the nukage room at the south end, open the northeast door and climb the northeast steps in the next room, then go on the ledge to the east. Head south on the ledge to the misaligned wall and open it to find an armor bonus, a green armor, and a switch that does not do anything. (sector 730)


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
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

The (absence of) data was last verified in its entirety on February 21, 2022.


Map data[edit]

Things 817
Vertices 4510*
Linedefs 4386
Sidedefs 6866
Sectors 752
* The vertex count without the effect of node building is 3593.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]