Sorry, but I’m not a programmer, so I don’t know how to read the markup in "Inspect" mode—honestly, opening it just made things worse; I couldn’t make heads or tails of it. You’d either need a massive brain for this, or, at the very least, not be a game designer like me.
I honestly don’t get why this puzzle has received so much attention and so many ratings—at first glance, it doesn’t even seem to have any connection to the horror genre.
Then again, I’m such a dimwit that I spent the first five minutes playing *Pong*—before it finally dawned on me that you can actually move the objects around.