E1M4: Quarantine Zone (Doom the Way id Did: The Lost Episodes)

E1M4: Quarantine Zone is the fourth map of the Knee-Deep in the Dead episode in Doom the Way id Did: The Lost Episodes. It was designed by Lorenzo Davia (Ultimate Lorenzo).

Secrets

 * 1) In the starting room, press on the wall behind the shotgun to find a dark passage with health bonuses, a medikit, a box of ammo, and an imp. (sector 173)
 * 2) Grab the blue key to open the eastern closet. Go to the medikit in the back to lower a lift. On the other side is a light amplification visor. (sector 69)
 * 3) Ride that same lift up and go north to get a backpack. (sector 107)
 * 4) In the room before the blue door, open the northwest corner and follow the corridor to a lift leading to a rocket launcher, a megaarmor, rockets, and a medikit (the megaarmor and rockets will not be there on Ultra-Violence or higher). (sector 4)
 * 5) At the supplies mentioned in the previous secret, go north through the nukage and northeast until you reach a box of rockets, a soul sphere, and a radiation suit. (sector 84)

Bugs
A multiplayer-only rocket launcher (Thing 44) has no flags set for any of the three difficulty classes, so it does not actually appear in the level.

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

The data was last verified in its entirety on December 7, 2021.

Player spawns
This level contains four spawn points:
 * 1) facing south-west. (thing 2)
 * 2) facing east. (thing 5)
 * 3) facing north-east. (thing 39)
 * 4) facing north-west. (thing 40)

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