Detailed walkthrough for Level 17: Hell Keep in Doom. Find the Red Key, Blue Key, Yellow Key, and exit switch with step-by-step instructions and tips.
Walkthrough
- 1Start the level, kill the Imp, open the door ahead, and proceed.
- 2Kill the Cacodemon, open the door to your left, and go through.
- 3Open the door to your left again and enter. Kill the Imps to your left and right, then head straight.
- 4Pick up the Box of Shotgun Shells and go up the stairs to your right.
- 5At the top, go through the opening to your right, hit the switch, and return through the opening.
- 6Head right to grab the Red Key.
- 7Turn around, go back through the opening to your left, and drop down to the floor below.
- 8Head left and leave the room. Open the door in front of you and go through.
- 9Head down the stairs to the right.
- 10Before entering the Red Door, turn right and destroy the barrels, as you will teleport there.
- 11Go back, open the Red Door, and enter. Walk forward to reveal a teleporter and step into it.
- 12You will be teleported to where the barrels were. Head left and follow the hallway to the Blue Key. Grab it and drop back down to the floor below.
- 13Head straight and go through the opening to your left.
- 14Head up the stairs. At the top, head left, then turn right to reach the Blue Door.
- 15Open the Blue Door and enter. Kill the Imps in front of you.
- 16Get the Yellow Key at the other end of the room.
- 17Turn around; doors will open revealing Imps and Cacodemons. Kill them all.
- 18Go through the opening to the right of the Blue Door. Hit the switch in front of you; a door to the left will open. Go through it.
- 19You are back at the level's starting point. Open the Yellow Door at the other end of the room.
- 20Before entering the Yellow Door, pick up the Plasma Gun and Energy Cell Pack to your right.
- 21Enter the Yellow Door and hit the exit switch.
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