In Tenebris (In the Dark)

Alright, so this was my first attempt of creating my own horror game with blender. That is why its rather ridiculous than scary, I suppose. What is "In Tenebris" about? Well, not much so far. You start in a dark labyrinth and have to find 6 keys to open the door to the next room. In order to find those keys, you gotta open drawers, cupboards and press buttons to open certain objects. In order to make my game slightly harder I decided to add a ghost that starts chasing you a minute after youve st...