I'm shitting my pants over here. FROM FEAR!
Seriously, if you like horror games at all, buy this. It costs like 11 euros (about 13 dollars) and the scared-shitless-meter is off the charts. You can buy the game from the developers' website or from Steam.
I'm a huge fan of horror games, but I haven't seen a genuinel creepy game since Call Of Cthulhu: Dark Corners of the Earth. This one is.
Trailer:
Oh, and the official website is
http://www.amnesiagame.com/#main