Doom II: Map 4 "The Focus" Walkthrough Guide

Q: How to find the Blue Key in Doom II Map 4?

Navigate the darkened rooms, use shutter windows to pick off enemies, find the Blue Key, then the Red Key by activating a rising crate, and finally the Yellow Key to exit. Watch out for traps and secrets!

Q: Where is the Red Key in Doom II The Focus?

Navigate the darkened rooms, use shutter windows to pick off enemies, find the Blue Key, then the Red Key by activating a rising crate, and finally the Yellow Key to exit. Watch out for traps and secrets!

Q: Doom II Map 4 Yellow Key trap?

Navigate the darkened rooms, use shutter windows to pick off enemies, find the Blue Key, then the Red Key by activating a rising crate, and finally the Yellow Key to exit. Watch out for traps and secrets!

Q: How to get Secret 2 in Doom II The Focus?

Navigate the darkened rooms, use shutter windows to pick off enemies, find the Blue Key, then the Red Key by activating a rising crate, and finally the Yellow Key to exit. Watch out for traps and secrets!

Q: Doom II Map 4 exit strategy?

Navigate the darkened rooms, use shutter windows to pick off enemies, find the Blue Key, then the Red Key by activating a rising crate, and finally the Yellow Key to exit. Watch out for traps and secrets!

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Walkthrough

1
Open the door ahead. Stay in the doorway and use your Chaingun or Shotgun to eliminate visible enemies, especially Shotgunners and Chaingunners.
2
Shoot Shotgunners in the room behind the shutter window on the left.
3
As you go down the hallway and around the bend, shoot Shotgunners behind the shutter window on the left wall.
4
Examine the wall panel with blue triangles to the right of the shutter window to open a secret room containing Shotguns **[SECRET 1/3]**.
5
Shoot the barrels in the secret room to blow them up and access the door behind them, leading to the other shutter-window room.
6
Return to the main corridor and go up the staircase. Eliminate any remaining hit-scanners.
7
Through the caged windows, kill enemies, including Imps near the Blue Key Card.
8
Press the switch near the Imps to lower the pillar holding the Blue Key.
9
Return to the corridor and go through the door at the end into the east room.
10
Follow the walkway to claim the Blue Key Card and Armor Bonuses.
11
Backtrack to the room with the slime pit; a new door on the right will have opened, revealing two Imps.
12
Defeat the Imps. A Spectre is in the slime pit.
13
Facing north across the slime pit, find the misaligned wall segment. Quickly run into the pit and examine the wall to open a secret doorway.
14
Inside, quickly kill a Chaingunner to get his dropped weapon, a Super Shotgun, and ammo **[SECRET 2/3]**.
15
Examine the green part of the wall to exit back to the main corridor.
16
Go back through the door on your right, then through the blue door on your left.
17
In the darkened room, eliminate Imps and a Chaingunner from a distance.
18
Activate the green switch on the wall next to the blue door to illuminate the corridor.
19
Follow the corridor to the next door. In this room, kill the Imps hiding amongst the crates.
20
Near the entrance, step on the small crate surrounded by Health Bonuses.
21
Turn around to see a large crate lower into the ground. Quickly get on it.
22
When the crate raises, walk along other crates to grab the Red Key Card.
23
From the Red Key crate, turn left to see a teleporter in the wall **[SECRET 3/3]**. Drop down and go through it.
24
From the teleportation point near the start, follow the left wall to the red door. Open it and the door ahead.
25
You'll be on a catwalk where the Yellow Key Card is at the end. The key is trapped.
26
Grab the Yellow Key and quickly back up to the door. Eliminate the Chaingunners on the right, then advance to pick off the ones on the left.
27
Drop from the catwalk to the ground. Head through the opening to the right, kill a Chaingunner, and grab Stimpacks if needed. Go through the teleporter.
28
Up here, claim the dropped Chainguns. Drop back down.
29
Go through the opening left of the catwalk. Follow the passage to a teleporter that takes you to a high ledge.
30
Claim more Chainguns. Flip the green switch on the wall.
31
Part of the ground will raise, creating a bridge to the exit door.
32
Take the teleporter left of the green switch to return opposite the yellow exit door.
33
Head across and through the yellow door. Kill the Pinky Demon inside.
34
Hit the switch to finish the level.

Secrets:

SECRET 1/3: Examine the wall panel with blue triangles near the first shutter window to find Shotguns.
SECRET 2/3: In the slime pit area, find the misaligned wall and examine it to enter a hidden room with a Chaingunner, Super Shotgun, and ammo.
SECRET 3/3: After getting the Red Key, look left from the key's location to find a teleporter in the wall.

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Map 4: The Focus