MAP36: Cold Grounds (Doom 64)

MAP36: Cold Grounds is the third map of The Lost Levels in Doom 64.

Secrets

 * 1) When you reach the Yellow switch, you see a Soulsphere. Go to the room with the bars blocking the left and right, and press the switch to reveal the wall behind it. Press another switch inside to open the wall to your right containing a medikit, a box of rockets, and a Hell Knight. There's a teleporter behind a fake wall near the rockets that leads you to the Soulsphere.