E3M1: Bonus Level (Aliens TC)

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Aliens TC maps

Bonus maps: E3M1, E3M2

This level occupies the map slot E3M1. For other maps which occupy this slot, see Category:E3M1.

E3M1 is the first of two bonus levels in Aliens TC. It was designed by Justin Fisher.


Map of Bonus Level
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. In the west of the level is an approximately L-shaped passage with several floor sectors inside a water pool. The western part of the main northern wall has a passage leading to a switch. Press the switch, come out of the passage, turn left, left, then right. The floor ahead will have lowered, allowing access to a room containing some ammo, 2 stimpacks, and (on medium skill) a blue key. (sector 36)
  2. In the east of the level is a room with 6 large cylinders. A lift on the middle right one allows you reach the top of this one as well as the tops of the other eastern ones by jumping (they contain some ammo, an armor, and 1 or 2 stimpacks). (sector 91)
  3. Just west of the exit is a north-south passage with 3 protrusions on each side. The southwestern one is a secret door leading to a room with some health, ammo, a pulse rifle, and a grenade launcher. (sector 104)
  4. The acid trench alongside the yellow key counts as a secret and is impossible to miss. (sector 119)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

The records for the map on 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

This information was last verified in its entirety on January 15, 2018.



Map data[edit]

Things 423
Vertices 1248*
Linedefs 1388
Sidedefs 2045
Sectors 144
* The vertex count without the effect of node building is 1071.


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

Monsters 1-2 3 4-5
Egg (dormant) 10 10 10
Egg (hatching) 10 15 16
Face hugger 5 8 9
Alien warrior 10 14 17
Alien drone 2 5 3
Alien warrior (exploding) 0 0 2
Powerups 1-2 3 4-5
Armor 3 3 3
Medikit 1 1 1
Stimpack 12 11 8
Weapons 1-2 3 4-5
Cargo bay loader 2 2 2
Shotgun 5 5 5
Pulse gun 1 1 1
Smart-gun 1 1 1
Ammunition 1-2 3 4-5
Clip 20 23 20
Box of bullets 3 2 2
4 shotgun shells 10 9 11
Box of shotgun shells 1 1 0
Grenade 3 3 2
Battery pack 2 1 1
Keys 1-2 3 4-5
Blue keycard 1 1 1
Red keycard 1 1 1
Yellow keycard 1 1 1

Technical information[edit]

Inspiration and development[edit]

During development, E2M5: Atmospheric Processor became so large that it was split in two, this being the second part. Justin Fisher states in the readme that it is the most difficult level in the project, and even he finds it challenging.


External links[edit]