It seems impossible but yes, you can win Haunted Memories in 8 minutes.

first things first, select Chapter 1 of the game (the EP.02 not do) choose your difficulty (I recommend "Easy", but any will do), to start the presentation, saute.
Go to the car and grab a flashlight (if you work shadows) and notebook is winged Lantern, then open the door and, after seeing Slenderman, go down the path that is right, that takes you directly to the Death Camp.
You will see that the gate is closed, this is the fun part. Go through the bars, to do that, go where the factory key is. By doing so, you have to go to the factory by the way which usually you're going to the Bunker.
Open the door to the factory, then you do what you did in the Death Camp, through the bars of the gate, climb and collect the note. Finally go to the website and ready