
con file (titled "n" in version 3.0, titled "DOOM.CON" in version 3.1) is activated. The gameplay differs depending on whether or not a specific. However, the music isn't from the Doom games (the title screen uses Doom II music, and most of the music in the levels is from Blood using the MIDI format).


The enemies are from Doom and Doom II as well.

The game has many weapons taken from Doom and Doom II, but it also took some weapons from other Build engine games.
