How to get the mystery rank:
1:set a bot to do a quick cycle of left, up, right and up so as to auto-deflect projectiles
2: play the game with that bot set up.
3: sit back for a minute
4: congratulations, you have obtained the rank of "dishonored"!
The people behind this game are going places. No really, it is a well-constructed game, with controls on par with meat boy and has a premise that fits with the feel of the game.