A contest entirely for dark stories – if this sounds like something you might be interested in, whether as a writer or as somebody just looking for something to read, you should definitely check this one out:

link

http://www.asianfanfics.com/story/view/1161354/come-to-the-dark-side-a-writing-contest-contest-dark-fantasy-scifi-supernatural-writingcontest (in case the link doesn't work)