MAP40: Refueling Base (PlayStation Doom)

MAP40: Refueling Base is the fortieth level of the PlayStation and Sega Saturn versions of Doom, and the tenth level of the Doom II episode. It is based on the original MAP10: Refueling Base, with modifications made to adapt the map to the consoles' limitations. The authors of the original map are Tom Hall and Sandy Petersen.

Secrets

 * 1) (sector 6)
 * 2) (sector 8)
 * 3) (sector 16)
 * 4) (sector 37)
 * 5) (sector 41)
 * 6) (sector 80)
 * 7) (sector 83)
 * 8) (sector 115)
 * 9) (sector 117)
 * 10) (sector 124)
 * 11) (sector 126)
 * 12) (sector 128)
 * 13) (sector 132)
 * 14) (sector 136)
 * 15) (sector 181)

Comparison of versions
Numerous changes were made to this level compared to the PC version.

Room design

 * The "entrance door" in the starting room is removed, with a pool of blood and guts left in its place.
 * The large square pillar east of the start point, which lowers to reveal spectres when interacted with, uses a cracked stone texture instead of vines.
 * The brightly-lit square in the large eastern room, which opens two chambers containing demons when stepped on, is larger.
 * The megasphere secret in the north-western corner of the map (secrets #12, #13 and #14) uses rapidly-flashing lights.
 * The transparent grate next to the exit door is replaced with two windows that have metal fences.
 * The grey grates in the windows of the south-western room are replaced with metal fences.
 * The exit switch is a skull instead of a button.

Monster placement

 * The cyberdemon in the south-western corner of the map (or baron of Hell on the I am a wimp/Not Too Rough skill levels) is replaced with four arachnotrons on all skill levels.
 * Pain elementals are replaced with cacodemons.

Music
The map uses the following music tracks:

Player spawns
This level contains nine spawn points:
 * 1) facing south-east. (thing 409)
 * 2) facing east. (thing 410)
 * 3) facing north. (thing 411)
 * 4) facing south-west. (thing 412)
 * 5) facing west. (thing 413)
 * 6) facing north. (thing 414)
 * 7) facing north. (thing 415)
 * 8) facing west. (thing 416)
 * 9) facing east. (thing 417)

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