If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Slenderman is coming for you. do you have what it takes to find all the clues and escape with your life? or will you be the latest of The Pale Ones Victims?
Mouse - Look Around
WASD - Movement.
Space bar - Jump.
E - Interact / Pick up.
Q - Night vision (once camera is found)
LMB - Flashlight on / off.
MMB - charge Flashlight.