E2M6: The Underground (Eternity)

E2M6: The Underground is the sixth level of the episode replacement Eternity. It was designed by Bjorn Hermans and Holger Nathrath, and includes a custom music track.

Secrets

 * 1) In the large room with two nukage rivers, go to the southeast corner of this area where you will spot a lion switch. This switch opens up the room behind it where you can nab a chaingun. (sector 7)
 * 2) In the room where you are to press switches to raise a bridge to the north, you will eventually open up the room to the south. This room counts as two secrets. (sector 49)
 * 3) See Secret #2. (sector 61)
 * 4) Flip the switch where the blue key is to lower the key, and then walk over the blue key to the wall to the north. Doing so opens two closets, each containing monsters and each counting as separate secrets. (sector 140)
 * 5) See Secret #4. (sector 144)

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

Player spawns
This level contains four spawn points:
 * 1) facing west. (thing 193)
 * 2) facing west. (thing 194)
 * 3) facing west. (thing 195)
 * 4) facing west. (thing 196)

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