Warren

Warren is a single-level PWAD for Doom that was released in 1994. It was designed by Stuart Greig.

Secrets

 * 1) The opening staircase has three secret doors on the south side. The first leads to two shotgun guys, a box of bullets, and a medikit. (sector 71)
 * 2) The second door (see #1) leads to a shotgun guy and a box of bullets. (sector 70)
 * 3) The third door (see #1) leads to a shotgun guy, a partial invisibility, a box of bullets, and a megaarmor. (sector 69)
 * 4) The sector at the top of the initial staircase counts as a secret and is impossible to miss. (sector 51)
 * 5) The south-easternmost room has a secret door on the west wall leading to two demons, a red key, and a rocket launcher. (sector 47)
 * 6) After going through the blue door, head west at the crossroads, through a door and round three corners. There is a secret door here marked with a no-entry sign leading to two zombiemen, a box of bullets, and a chaingun. (sector 45)
 * 7) From the square room in the south-west, head south then east towards a light amplification visor. There is a secret door in the north wall leading to two shotgun guys, an imp, and a spectre. (sector 90)
 * 8) From the square room in the south-west, head west then south, then turn left. At the end of this path is a secret door leading to a shotgun guy, an imp, and a soul sphere. (sector 87)
 * 9) One of the steps just before the exit counts as a secret and is impossible to miss. (sector 116)

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

Player spawns
This level contains four spawn points:
 * 1) facing east. (thing 161)
 * 2) facing west. (thing 166)
 * 3) facing west. (thing 167)
 * 4) facing west. (thing 168)

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