Not a bad game, nice graphics and atmosphere. Some good creepy vibes as the noises got louder behind some closed doors. I didn't unlock those doors lol.
Would have liked to have been able to change the mouse sensitivity, I found it tricky to play. Also, it was quite difficult to see the key in the top hall before getting the torch, might have been better to have it sitting on a more open table. As others have said, Slender didn't really show up much. Still, good game, enjoyed playing it.