Who's there?

A strange noise, can you locate the source...?
Jam Site: 
Jam year: 
2018
Diversifiers: 
ART - Stranger Things
CODE - .COM-pact
DESIGN - I’ll be there in a minute
Platforms: 
Mac OS X
Tools and Technologies: 
GameMaker (any product)
Credits: 

Thank you for help and support and beta testing: Sonja, Emma, Muura, Joiku, Mirka and Big-Mama!

Source files: 
Executable: 

Team