E2M5: Atmospheric Processor (Aliens TC)

E2M5: Atmospheric Processor is the fifth map of Aliens TC. It was designed by Justin Fisher, and contains a secret exit to E2M9: Alien Host Ship.

The map's subtitle on the intermission screen is Retreat to landing pads. In automap mode, the title is given as E2M5: Operations.

Other points of interest
The secret exit is located to the west of the normal exit, and is accessed from the central building via a yellow door (there is a yellow key inside the building).

Secrets
Four sectors are marked as secret: (sector 233), (sector 293), (sector 301), and (sector 316). However, none of these have any sidedefs, so do not actually appear in the level, thus the maximum obtainable secret percentage is 0%.

Speedrunning
As the secrets in this map can not be activated without cheating (see secrets), a NM100S run for this map is redundant. Other categories may ignore the secret requirement in this case.

Current records
The records for the map on the Doomed Speed Demos Archive are:

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

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

Inspiration and development
During development, this level became so large that it was split in two, the other part being E3M1: Bonus Level.