MAP18: Neurosphere (The Plutonia Experiment)

MAP18: Neurosphere is the eighteenth map of The Plutonia Experiment. It was designed by Milo Casali and uses the music track "Demons On The Prey" from Doom. In its visual theme and architecture, this level is similar to MAP14: The Inmost Dens from Doom II.

Secrets

 * 1) In the central building is a circular blood pool in front of a baron-faced wall. Follow the stairway to the left up, and continue along the path and down another set of stairs. At the bottom of the stairs, do a u-turn left and you will be at a doorway leading outside. You should see a gray brick "railing" surrounding the lower pathway outside. Run onto the top of the railing from the doorway you are standing in and turn around. There is an alcove in the wall just left of the doorway you came from; run into it from the railing to get the megasphere (and, on hard skill only, the BFG9000) inside.

Bugs
A visplane overflow will occur in vanilla Final Doom v1.9 if one stands on the easternmost platform of sector 87 (the four lifts with the chaingunners in the south of the map) and looks northwest or in the nearby place on the bricky immovable platform (sector 120) with a shotgun guy on it if you look east.

Current records
The Compet-N records for the map are: The data was last verified in its entirety on April 5, 2013.

Map data
* The vertex count without the effect of node building is 1216.