step 1: find the bunny in one of the janitor's closets
step 2: shoot the bunny with the flamethrower or use a molotov
step 3: find and shoot all 4 bunny parts in different areas of the map with flamethrower or molotov
step 4: use nightmare vision in front of the red door, the door will be open in nightmare vision run thru to the end of that hallway
step 5: exit nightmare vision grab the raik84 then hop back into nightmare vision quickly and run back thru the red door or you will be eaten by a horde of spiders