The developers of Don't Starve recently released a horror mod called The Screecher, which I guess is their take on the Slender page-collecting craze we've all come to know and love. It's occasionally clever, but I think the reviews that describe it as being "spooky" and "more than a little unnerving" might be going a little too far (although I think that probably applies to most horror games people slap a scare-cam over these days).
You can see the rest of my Don't Starve playlist here: • Don't Starve