Didn't test me, and much too short.
I picked the game up (regular Xbox) on Tuesday afternoon, played for about 5 hours and finished it the next day in about 4 more hours, for a grand total of 9-ish playing hours. Kinda dissapointing that it was over so fast.
Gameplay was a snap to pick up, and figure out what to do and where to go. It was all too easy and short, albeit entertaining. The graphics were ok, not great, but good enough. (Would love to have seen it on a 360, but I don't have one of those, surprise, surprise.) It was fun, but too easy and too short. There are no difficulty choices, so what you get is what you get; a once-through piece of cake.
Going back through the "chapters" (available after finishing it) to amass points is about the most fun. Also re-played a few of the more fun parts, but that's about it. It's ok, but certainly not one of my favorite games.