Post Great Game - Early 2010/11 fic

[paintedame.livejournal.com]

Here I am again, I'd gotten the details of this story mixed in with the details of another one. The other was found, but now I want this one.

I read this early 2011, or late 2010. It was post-The Great Game. Moriarty was holding someone (John?) hostage. Sherlock found himself on a platform with "S" on it and other platforms around with different letters. He had to jump across in the right order to get out or something would happen. The letter made a specific sentence. It was some sort of 'Haunted House' of Moriarty death tricks Sherlock had to traverse. 

FOUND! The Burning Game by Lamiel (FF.net)

Thanks for your help in advance,

PaintedAme