E2M4: The Testing Labs (Full On)

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Full On maps
This level occupies the map slot E2M4. For other maps which occupy this slot, see Category:E2M4.

E2M4: The Testing Labs is the fourth map of Full On. It was designed by Tim Ackroyd.

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Map of The Testing Labs
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. After getting the yellow key, jump down into the lava to the north to a platform with a megaarmor (there are two sets of pillars that can be used). This opens up a door in the southern lava section leading to a BFG9000 and a teleporter. It can be reached by heading directly south of the megaarmor platform where a lift will raise you back to the walkway. Note that if you drop into the southern lava section before opening up the secret door, it will be impossible to get out. (sector 225)
  2. Towards the south of the level is a corridor that lowers when an armor bonus (on medium and hard skills) in its centre is collected. After lowering the floor, a door will be visible to the north. It opens on shooting, revealing a path leading to a medikit, a box of shotgun shells, a megaarmor, and a partial invisibility. (sector 130)
  3. En route to #2 you will pass two other doors which open on shooting. One of them has a rocket launcher behind it. (sector 134)
  4. The other door has a box of rockets behind it. (sector 136)


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 four spawn points:

  1. facing north. (thing 4)
  2. facing north. (thing 5)
  3. facing north. (thing 6)
  4. facing south. (thing 7)


Map data[edit]

Things 236
Vertices 942*
Linedefs 1034
Sidedefs 1389
Sectors 235
* The vertex count without the effect of node building is 811.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]