E1M3 (The Apocalypse Project)

E1M3 is the third map of The Apocalypse Project. It was designed by Daniel Hornbaker.

Secrets

 * 1) Go straight across at the first crossroads, then take the left fork. Near the Poison sign is a secret door (marked with a misaligned texture) leading to a room with a backpack, 16 shotgun shells, two boxes of bullets, two boxes of rockets, and four medikits. (sector 36)
 * 2) In the south of the level is a corridor with many alcoves containing imps. The north-westernmost alcove has a secret door on the back wall (marked with a Poison sign) leading to 8 shotgun shells, four health bonuses, an armor, and a medikit. (sector 153)
 * 3) North of the alcoves mentioned in #2 is a dark area with several irregular structures. The south-easternmost one has a passage into the centre leading to two boxes of bullets, a box of shotgun shells, a soul sphere, and a light amplification visor. (sector 133)

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: