Level 4: Command Control

From the start, press Circle on the left walls to open them like a door and proceed through.

Inside, collect the Backpack and Box of Shotgun Shells, then exit the room.

Open the door to the left and enter the next area.

Eliminate the Zombiemen and Imps.

Enter the leftmost opening to reach a large room.

Drop down into the pit in front of you.

Go left into a small room, kill the enemies, collect items, and hit the switch.

The lift on your right will lower; ride it to the top.

Collect the Soulsphere at the top.

Drop down to the floor below.

Go back through the opening to your left.

Enter the opening to your right and ascend the stairs.

At the top, approach the door; it will open automatically.

Kill all Imps inside and collect the Blue Key.

If the 4 doors close, use the switch to reopen them.

Return to the previous room and go through the opening in the west part (use the Automap by pressing Select to help).

Enter the opening to the left.

Defeat the Shotgun Guys, then open the Blue Door to the right and go through it.

Proceed down the hall, being aware of potential Imp or Demon attacks, especially on higher skill levels like Ultra Violence where a Pain Elemental may appear.

Continue all the way right until you reach a wall, eliminating any Imps and Demons encountered.

Enter the opening to the right and follow the left hand wall to a large room.

Kill the Imps and Demons, collect the Yellow Key, and proceed through the opening and up the stairs.

At the top, hit the switch.

Open the Yellow Door next to you.

Kill the Shotgun Guys inside.

Use the stairs to cross the platform and reach the exit door.

Open the exit door and go through.

Hit the exit switch.