Games I've 100%'d on Xbox 360
They go in order of when I finished them, including whenever there was an achievement update that increased it's cap and the date that was completed. Games where I do not have the max score in anymore are removed.
I'll add to this list as it needs to be updated.
First update: 5/7/2010 - The first 43 Games
Second update: 5/10/2010 - Tales of Vesperia