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Level 6: Central Processing
Doom

Level 6: Central Processing

Complete walkthrough for Doom Level 6: Central Processing. Find the Red Key, Blue Key, Yellow Key, and all essential items to escape this challenging level.

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Complete walkthrough for Doom Level 6: Central Processing. Find the Red Key, Blue Key, Yellow Key, and all essential items to escape this challenging level.

Walkthrough
  1. 1
    Start by going through the initial opening, then the one to your right.
  2. 2
    Kill enemies and get the Red Key. Two doors will open, and Nightmare Spectres may appear on hard skill levels; kill them.
  3. 3
    Turn around from the Red Key location and go straight, killing Shotgun Guys, Imps, or Zombiemen.
  4. 4
    Enter either of the two Red Doors.
  5. 5
    Follow the hallway to an opening on your right or left, killing Shotgun Guys and Zombiemen.
  6. 6
    Go through the opening, kill remaining enemies, and get the Blue Key.
  7. 7
    Drop into the slime pit below.
  8. 8
    Head right to a corner to find a Radiation Suit.
  9. 9
    Turn around and go through the opening across from you.
  10. 10
    Walk straight; the wall in front will lower. Ride it to the top.
  11. 11
    Collect the Soulsphere and drop back down to the pit.
  12. 12
    Go through the opening at the other end of the pit and collect the MegaArmor next to it.
  13. 13
    Follow the hall to a switch, collecting Health and Armor Potions along the way.
  14. 14
    Pick up the Box of Rockets and hit the switch, which opens like a door. Go through it to return to the level's starting point.
  15. 15
    Back at the start, open and go through the door at the other end of the room.
  16. 16
    Go through the opening to your right, killing Imps.
  17. 17
    Walk straight to the Blue Door. Touching it will cause a pillar to lower, revealing an opening.
  18. 18
    Use a Rocket Launcher or Chaingun to eliminate Demons, Imps, and Shotgun Guys, then go through the revealed opening.
  19. 19
    Open the hidden door in front of you and go through.
  20. 20
    Collect the Rocket Launcher and Invisibility Sphere. Open the Blue Door in this room.
  21. 21
    Grab the Yellow Key and head down the stairs to the right.
  22. 22
    Walk straight; the door in front will open. Turn around and open the Blue Door (the green wall to the left). Exit this secret room.
  23. 23
    Back outside, grab the Radiation Suit. Head to the opening in the slime pit at the other end of the room.
  24. 24
    Follow the hall to a door, killing Imps.
  25. 25
    Kill the Heavy Weapon Dudes at the door and collect any desired health, ammo, and a backpack.
  26. 26
    On Ultra Violence, use your Rocket Launcher to open the door and drop to the floor below.
  27. 27
    Launch rockets at the large group of Shotgun Guys below and grab their Shotguns.
  28. 28
    Lower the pillar with the Soulsphere on it like a lift and ride it to the top.
  29. 29
    Open the wall in front of you and go through it.
  30. 30
    Kill Zombiemen, Shotgun Guys, and Imps in front of you and to your left.
  31. 31
    Go through the opening to the right. Kill Imps, get the Box of Shotgun Shells and Stimpack, and hit the switch.
  32. 32
    Turn around and go into the room with the slime pits.
  33. 33
    Pump 3 rockets into the opening to the right to eliminate enemies. Go through the new opening.
  34. 34
    Kill Imps and Demons, then head down either staircase.
  35. 35
    Follow the staircases to an opening. Go through the opening next to you, kill the Shotgun Guy, and hit the switch.
  36. 36
    Walls will open, revealing Imps, Demons, and Shotgun Guys. Eliminate them and collect any remaining ammo and health.
  37. 37
    From the switch location, go into the new opening to the right.
  38. 38
    Open the exit door and go through.
  39. 39
    Kill the Spectres, grab the Medikits, and hit the exit switch.

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