Infinitap Games

Here is a big list of YouTube Let's Players.
http://videogamecaster.com/big-list-of-youtubers

There are channels tagged for horror Let's Plays.
http://videogamecaster.com/tagged/horror

Awesome, thanks! That is a great resource. I've reached out to quite a few youtubers, and I've had quite a few reach out to me as well, so hopefully the game will get some more awareness through that soon.