Really love the vibes in this one! The character design is great and the audio is really creepy - definitely my kind of game :) I thought I had the puzzle worked out but I didn't work, so I ended up just going by trial and error haha... I've just looked up the solution you mentioned in another comment and I guess I got mislead :D
The only criticism I had is I'd have liked to have seen more of it, but I understand the 72 hour time constraint makes that difficult!