MAP17: Interdimensional Control Centers (Perdition's Gate)

MAP17: Interdimensional Control Centers is the seventeenth map of Perdition's Gate.

Essentials
At the start, descend through either set of stairs, then go down another set of stairs nearby. Move to the opposite corner of this room and go down the stairs to your left. Continue forward, then turn left and flip the switch on an alcove to your left. Go to the south side of the outside area and collect the yellow key on an alcove to the north. Climb up the stairs leading inside, then go up the stairs to the north and open the yellow bar on the opposite corner of the room. Press the switch behind it, then climb up the stairs to the starting room and go down the stairs to your immediate left. Grab the blue key on the opposite corner of this room then return outside and follow either path to find a blue door. Open it, then open the door ahead, up the stairs and follow either path to the sides to reach a room containing the red key. Return to the entrance of this area, then open the red door straight ahead. Enter the teleporter in front to exit the level.

Secrets

 * 1) The westernmost section of the south wall on the outside area is detached. Open it to find four boxes of shotgun shells, four boxes of bullets, four boxes of rockets, two energy cells (two energy cell packs on skills 1-2, an energy cell and an energy cell pack on skill 3) and a supercharge (an invulnerability on skills 1-2, a megasphere on skill 3). (sector 134)

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

The data was last verified in its entirety on January 16, 2022.

Player spawns
This level contains nine spawn points:
 * 1) facing south-east. (thing 4)
 * 2) facing west. (thing 139)
 * 3) facing east. (thing 141)
 * 4) facing east. (thing 143)
 * 5) facing east. (thing 146)
 * 6) facing east. (thing 148)
 * 7) facing west. (thing 150)
 * 8) facing south-east. (thing 152)
 * 9) facing east. (thing 154)

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