Paper Mask

The Paper Mask is the only inhabitant of level: RUN FOR YOUR LIFE, also known as level: !. Level ! is a gigantic 10-mile long hallway that has occasional turns and obstacles that you will have to dodge. The level has red flashing lights and alarms going off constantly. There are only two ways to escape; run all ten miles to the end of the level where there is a door that you can go through, or there will be a small hallway in the middle of the level where there is then another door that you can go through. If you go through this door however, you will be taken to level: !-!. 

Paper Mask is a big, dark gray, skinny entity that wears a piece of paper for a mask. It can run very fast and does not get tired no matter how long it has to run. It has long arms that can reach out almost seven feet in front of it. Paper Mask does not appear in any level other than this one. There is no way to deter this entity, as the entire point is to run away from it.