E3M7: System Central (2002 A Doom Odyssey)

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2002 A Doom Odyssey maps
Deep into the Code

M1 M2 M3 M4 M5 M6 M7 M8 M9 M9

The Road to Eternity

M1 M2 M3 M4 M5 M6 M6 M7 M8 M9

The Evil Unleashed
The Search for Stephanie (original)
Torment Ultima (10th ed.)

M1 M1 M2 M3 M4 M5 M6 M7 M8 M9 M9

Bonus ZDoom levels

M1 M1 M2

This level occupies the map slot E3M7. For other maps which occupy this slot, see Category:E3M7.
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E3M7: System Central is the seventh map in episode The Evil Unleashed of 2002 A Doom Odyssey. It was designed by Paul Corfiatis and uses his music track "Backfire". In the 10th anniversary edition the level was notably augmented in the geometry and resources departments.


Map of System Central (original)
Map of System Central (10th ed.)
Letters in italics refer to marked spots on the map. Sector, thing, and linedef numbers in boldface are secrets which count toward the end-of-level tally.


Other points of interest[edit]


  1. In the hub area where the nukage is, take the eastern door. There are three satyr switches on the south wall. Press all of them, then leave the complex the way you came in. Outside, enter the leftmost building to find three open rooms, each counting as one secret. This one contains a megaarmor, a soul sphere, a berserk pack, and a backpack. (sector 437)
  2. See Secret #1. This one contains lots of energy cell packs and boxes of rockets. (sector 438)
  3. See Secret #1. This one contains boxes of ammo and boxes of shotgun shells. (sector 439)
  4. Come back to the area where the Satyr switches are. This time, climb the steps to the top and shoot at the switch at the north wall to open the door to the northeast. In the next room, use the next switch to open the next door, then at the nukage pit, turn north and open the wall next to the bars to find a chainsaw. (sector 448)
  5. In the room past the lit hallway with shotgun guys, use the southeast corner to find a rocket launcher, boxes of rockets, a plasma gun, energy cell packs, and a soul sphere. (sector 113)
  6. Raise the bridge in the large nukage pit (the one mentioned in Secret #4) and go to the next set of bars in the silver room. Look to the southwest and open the damaged wall to get a megaarmor. (sector 214)
  7. In the large cargo room, take the lift up and use the switch to open the cacodemon compartments. Jump to the eastern one and use the wall with the warning stripe to reach a corridor containing energy cells and a BFG9000. (sector 148)
  8. At the large blood pit at the east end of the map, drop in and take either path that leads behind the switch where the baron of Hell is. Follow the path until you reach a megaarmor, medikits, ammo, partial invisibility, and a berserk pack. (sector 183)
  9. In the hub area mentioned in Secret #1, take the blue door on the west and take the north door afterwards. Flip the switch, then head up to the next door. At the fork, turn to the south and press on a computer terminal between the lamps (west) to find a computer area map, medikits, a megaarmor, boxes of rockets, and a backpack. (sector 371)
  10. At the same fork above, take the path going north. Take the teleporter at the top and flip the switch at the end, then return and get the soul sphere from the block. (sector 362)
  11. In the room with the switch that lowers the bars to the yellow key, two closets with demons open up when you use the switch. In the southern closet, press on the wall with brown ridges to trigger a lift, then ride it to the teleporter. Shoot the barrels and head outside to get ammo, a green armor, and medikits. (sector 431 in original ed., sector 336 in 10th ann.ed.)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

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

Run Time Player Date File Notes
UV speed
NM speed
UV max 6:59.40 Artem Safronov (SAV88) 2011-08-29 a3d7-659.zip
NM 100S
UV -fast 14:39.89 DidierTranber 2011-07-07 a3d7f1439.zip
UV -respawn
UV Tyson 32:46.26 Dogmachine 2023-01-27 a3d7t3246.zip
UV pacifist
NoMo 3:39.29 Matt Powell (cannonball) 2011-09-26 a3d7o339.zip

The data was last verified in its entirety on February 13, 2023.


Player spawns[edit]

This level contains eight spawn points:

  1. facing east. (thing 318)
  2. facing east. (thing 319)
  3. facing east. (thing 320)
  4. facing east. (thing 321)
  5. facing east. (thing 322)
  6. facing east. (thing 323)
  7. facing east. (thing 324)
  8. facing east. (thing 325)


Map data[edit]


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

Original ed.:

10th ann.ed.:

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]