A Study in Emerald- Neil Gaiman short story and board game

This is a pretty cool short story based on a mix of Sherlock Holmes and the Call of Cthulhu mythos. Has anyone read it? You can find it here.

I'm curious how many people realised that (spoiler from the story)

Spoiler

Sherlock is actually the assassin and Moriarty is the investigator. There is more explanation of this here.

It does help to figure out the spoiler if you have read
A Study in Scarlet
The Final Problem and
The Call of Cthulhu
before reading A Study in Emerald.

Anyway there is also a board game for 3-5 players that is being produced based on the story by award winning game designer Martin Wallace. You can download a print and play play test version at www.treefroggames.com/a-study-in-emerald and order the game itself on the kickstarter which has about 30 hours left. Basicly it is a game about controlling different historical and fictional secret agents including Sherlock and Moriarty, and either playing as a restorationist trying to assassinate the "Royals" who are monsters who control the world, or playing as a loyalist, trying to kill off the restorationists. You can check out the rulebook at www.treefroggames.com/print/a-study-in-emerald-rules-v2.pdf

There is also more info at
www.boardgamegeek.com/boardgame/141517/a-study-in-emerald