E4M7: Sky Prison (The Joy of Mapping 5)

E4M7: Sky Prison is the seventh map of The Joy of Mapping 5. It was designed by  and uses the music track "".

Secrets

 * 1) (sector 56)
 * 2) (sector 303)
 * 3) Backpack (thing 28)
 * 4) Plasma gun (thing 96)

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: