As a suggestion, since you have all kinds of cool names for the achievements (Mission: Impossible) for different games, I would love to see it a little more organized with possible the game name in the achievement name.
So something like:
Knight Fight - Mission: Impossible Knight Fight - Double defeat Knight Fight - Path of twins Knight Fight - Galloper Gammon - Stick around Gammon - My three sixes Gammon - Double strike
... it's well organized in a persons profile, but if I go to the Achievements page and use the drop down, it's hard to know which achievement is for which game.