Slender Behind - Monster Door

It was an ordinary investigation about the strange occult cult, but something went wrong, and now you are locked inside the abandoned mansion filled with horrifying undead creatures! Solve the most difficult case in your life and leave this haunted house safe and sound before sunrise playing Slender Behind - Monster Door game! Be the private detective investigating strange events in the haunted house! Seek for keys, hide under beds and inside wardrobes or shower, lock doors to prevent incoming o...