E1M7: The Observatory (The Invasion)

E1M7: The Observatory is the seventh map in episode The Rock of The Invasion. It was designed by Paul Fleschute (Moe).

Secrets
There are no official secrets on this map.

Speedrunning
As this level does not contain official secrets, the NM 100S category is redundant.

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

The (absence of) data was last verified in its entirety on February 21, 2022.

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