You gotta get to room 100.

Rush - black smiley face, if you don’t hide while he is coming you will die

Ambush - Rush, but a white rebounding scream face.

Screech - white floating ball covered in black goo, will bite you in the dark

Seek - black goo humanoid who chases you doors 30 - 35 & 75 - 84.

Figure - blind but has a mouth and hearing, comes doors 50 and 100

50 is a library where ya got to get a code to escape

100 is a facility where you got to turn on the elevator power and leave