E1SM1: Sanctum of the Old Ones (The Edge of Time)

E1M9: Sanctum of the Old Ones is the ninth and secret map of The Edge of Time. It was designed by  and uses the music track "".

Secrets

 * 1) (sector 43)
 * 2) (sector 165)
 * 3) (sector 186)
 * 4) (sector 429)
 * 5) (sector 654)
 * 6) Megacharge (thing 570)

Current records
The records for the map at the Doom Speed Demo Archive are:

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