Star Fox Assault

I've played all the way through it almost three times since I bought it. I took out bronze mode in basically one shot, then I tackled silver over the course of a few nights. I'm still working on the hardest setting, but I've taken some time off to finish up RE4. Even after finishing all that crap, though, I still don't have perfect Ally Medal scores on all of the chapters, and I've got nowhere near all of the special flags. There's a ton of stuff to unlock, too, so you've got a lot of incentive to play it over and over again. There's definitely enough game in there to warrant a purchase, it's just not a ton of game in a single playthrough.