wasd to move, space for flashlight. It works best w/o the flashlight. You have to click on the tree, not the page itself.
Based on the game slender: the eight pages. One of the main differences is that if you see him at all, you die. This is one of the better scratch slender games, but not near the best at all. I'm not too good with scripts, so the way it works it totally unrealistic.