Well, it'd be kinda hard to do that. I mean, it could be done in their office, but to make it like this so every normal user can do it, I don't see it possible. Each game is different and the save has to be adjusted. I don't know what coding they use for the saves, but it may be very easy and it may be very hard. But we can't decrypt the save files yet anyways, so no - not possible. Also they'd like to /reset/ the multiplayer stats/levels/etc. But it's actually a really good idea. For example, they can add a stat "wins in F1 2010/11/12/total" and such stuff. It'd be cool.