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Level 29: Twilight Descends
Doom

Level 29: Twilight Descends

Complete walkthrough for Doom's Level 29: Twilight Descends, including how to find the Blue, Red, and Yellow Keys and the secret exit.

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Complete walkthrough for Doom's Level 29: Twilight Descends, including how to find the Blue, Red, and Yellow Keys and the secret exit.

Walkthrough
  1. 1
    Head straight from the start up a staircase.
  2. 2
    Open the door at the top and enter a room with crates and Imps. Kill the Imps and find a switch on the side of a brown crate.
  3. 3
    Hit the switch; stairs will rise from a crate across from you. Use them to get on top of the crate.
  4. 4
    Run onto the crate to your right and use the crates to reach the other end of the room where Zombiemen and Shotgun Guys are. Kill them and drop to the floor.
  5. 5
    A Blue Key is on a crate. Step on a small crate with Shotgun Shells to its left to lower the Blue Key crate.
  6. 6
    Get on the lowered crate, grab the Blue Key. Once the crate rises, hit the switch next to you.
  7. 7
    A wall to your left will lower, revealing a teleporter. Step on it to be teleported to a crate at the other end of the room.
  8. 8
    Drop to the floor below, open the door at the other end, and go through it.
  9. 9
    Head down the stairs in front of you. At the bottom, open the Blue Door to your left and go through it.
  10. 10
    Kill the Imps and Cacodemons, then head up the stairs.
  11. 11
    At the top, kill the Imps behind their cages.
  12. 12
    Go through the opening to the left of where you came from.
  13. 13
    Kill the Shotgun Guys above you and get to their platform.
  14. 14
    Lower the lift in front of you, ride it to the top.
  15. 15
    Open the door to the right of the Red Key (which is inaccessible now) and go through it.
  16. 16
    Head down the stairs to the right. While descending, notice a torch to your left.
  17. 17
    Across from the torch is a wall; open it like a door and go through.
  18. 18
    Follow the hall to a large room full of Imps. Kill them all and hit the switch in this room.
  19. 19
    A wall to your left will lower, revealing an opening. Go through it.
  20. 20
    You will be behind the Imp cage. Kill any remaining Imps.
  21. 21
    Follow this path until you see a switch to your left. Hit it and leave the room.
  22. 22
    Follow the hall back to the door, open it, and go through.
  23. 23
    Head down the rest of the stairs to your right.
  24. 24
    Hit the switch on the other side of the pillar in front of you.
  25. 25
    Turn left, follow the right-hand wall until you see a dark, differently colored wall (a lift) to your right.
  26. 26
    Lower the lift, get on it, and ride it to the top.
  27. 27
    Kill the Shotgun Guys and hit the switch to your left.
  28. 28
    Turn around and drop to the floor to your right.
  29. 29
    Turn right, kill the Demons and Cacodemons.
  30. 30
    Hit the switch across from you to complete the lift next to it. Lower this lift, get on it, and ride it to the top.
  31. 31
    Head up the stairs. At the top, grab the Red Key to your left. (You must have hit all 4 switches: the one behind the Imp cage, the one above the lift, the one behind the pillar, and the one next to this lift).
  32. 32
    Drop down to the floor below.
  33. 33
    Head right and drop to the floor below.
  34. 34
    Go through the opening to your right and leave the room.
  35. 35
    Head right to find three Red Bars, which form the Red Door. Open it and go through.
  36. 36
    Kill the Imps in the cage to the left. Use a BFG or Rocket Launcher.
  37. 37
    At the other end of the room are Barons of Hell on a pillar. Shoot them until they are dead.
  38. 38
    Head up the stairs to the right, killing Shotgun Guys.
  39. 39
    At the top, turn left and you will see an opening leading to a slime pit below and a higher platform. Run through the opening to reach the platform.
  40. 40
    Turn left and head up the stairs.
  41. 41
    At the top, the Barons of Hell should be dead. A pillar with the Yellow Key is here. Hit the switch to lower the pillar and grab the Yellow Key.
  42. 42
    Drop back down to the slime pit to your left.
  43. 43
    A wall will lower, revealing an opening. Go through it.
  44. 44
    Kill the Spectres and Barons of Hell.
  45. 45
    Go through the small opening in front of you.
  46. 46
    In this small hall (the 2nd of 4 similar halls), press Circle on the walls to the right until you find a hidden door. Go through it.
  47. 47
    Enter a room with flashing red lights. Head through the left opening to find Imps. Kill them.
  48. 48
    Notice an opening with a Plasma Gun; remember its location.
  49. 49
    Turn around and go to the other end of the room. Turn left, kill the Baron of Hell, and you will see three red torches.
  50. 50
    Activate the middle torch (a switch). RUN BACK TO THE OPENING WITH THE PLASMA GUN.
  51. 51
    If you were quick enough, a pit will be revealed. Drop down to the floor below.
  52. 52
    You will be in a thin room with a teleporter. Step on it to reach the secret exit.
Tips
  • Remember the location of the Plasma Gun opening in the flashing red light room.
  • The timing for the secret exit teleporter is crucial and requires practice.

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