Level 24: No Escape: 3 Secrets

At the start of the level, hit the switch in front of you to open all four doors in the room. Turn around and go through the opened door; the lift you are on will lower you outside. Turn right and you will see an opening blocked by bars. Directly across from these bars is a lift; lower it, get on, and ride it to the top. At the top, hit the switch to lower the bars. Jump off the platform and enter the opening. You will find a spiral staircase leading to a Soulsphere. Halfway down, you will find a Medikit. Examine the walls near the Medikit to find a hidden door that opens to a secret room. Step inside for credit for a secret, which contains two Energy Cells and a Plasma Gun.

After finding the first secret, go back up the spiral stairs and return outside. Turn right and go straight until you find stairs leading into another room. Go up the stairs. In this room, there is a 4x4 set of pillars. Turn left so the pillars are to your right. Walk forward to the third pillar on your right in the front row. This pillar has switches on three sides, but one side is missing a switch. Examine the side without a switch by pressing C-Right. This will lower a pillar behind you, revealing a Backpack. Step onto this pillar for credit for a secret.

After finding the second secret, go back outside and down the stairs. Go counter-clockwise around this area until you find a Rocket Launcher on a platform with a switch. You cannot reach this Rocket Launcher yet. Facing the switch on the platform, turn around to find a lift. Lower it, get on, and ride it to the top. At the top, face the room blocked by bars to the right of the Rocket Launcher. This room contains the Cyberdemon(s). Note the columns on each side of the entrance to the Cyberdemon room and the lava river to the right of the entrance. Shoot the left column with a Pistol, Shotgun, or Chaingun. A hidden door will open in the lava river, revealing a secret room. Run into this room for credit for a secret. It contains a BFG. If the door closes before you can enter, go back up the lift across from the Rocket Launcher and shoot the column again.