Number One Kill Extra

#1 Kill Extra is a single-level PWAD for Doom that was designed by Angelo Jefferson and released in 1997. It was released at the same time as #1Kill and was followed by Number One Kill: The Next Generation later in the same year.

Secrets

 * 1) (sector 25)

Bugs
Two hanging leg decorations (things 80 and 82) have no flags set for any of the three difficulty classes, so they do not actually appear in the level.

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

Player spawns
This level contains four spawn points:
 * 1) facing north. (thing 85)
 * 2) facing south. (thing 86)
 * 3) facing north. (thing 87)
 * 4) facing east. (thing 88)

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