MAP04: Fortress (The Twilight Zone)

MAP04: Fortress is the fourth map of The Twilight Zone. It was designed by Paul Corfiatis.

Walkthrough
A - At the Start, go south up the Staircase and you are in a room which has a switch raising up to the ceiling. On the Western Side of this room is a Red Key Door, and on the NW side is a Red Key switch. Press the switch to open a hidden door which heads eastwards. Progress through the door, up the stairs, down a lift and through a hallway that leads north then west. You will come to an area with Red Bricks where you can see the Exit Door and a Red Key in front of it. To the left of the entrance is a Switch (A1) press it and go back to the Red Key door and on the right is a switch (A2) press it to raise the bridge {A3} and get the Red Key. The Exit Door requires the Blue Key.

B - Go through the Red Key door and down a lift, head West. There is a dark room in the SW which has a Door (B5) that cannot be opened. Another Door (B2) is also locked. Shoot the Lava (B1) to open the Door (B2). You are in a wooden Library with 8 bookshelves, 4 on each side. The Bookshelf on the far NW side of the Library contains a switch (B3) opens the Door in the Centre of the room. Progress through that Door until you find a Hell Knight and a Switch (B4) which opens the Door (B5). Head back south to that Door and inside are 4 Hanging Commander Keens. Kill them and the Baron of Hell to get the Blue Key and progress back through the level to the Exit. An ArchVile is behind the Exit Door so Extra Careful.

Secrets
1. At the Start, go south up the Staircase and you are in a room which has a switch raising up to the ceiling. Behind there are two cages. At the SE corner of the room, press on the Garg to reveal a secret room revealing a Backpack and some Health.

2. On the Eastern Hallway, you will come accross a room with Shotgun Guys inside it where they can shoot through the windows at you. There is a Blue Armor inside that room. Press on the right (Northern) window to lower it and go inside and grab the Shotguns and Blue Armor.