Don't eat during the entire day, and test in the evening. Then you'll have no food in your body. That should take off a kilo at least. If you're really interested, starve for 4 days, but then you won't actually need Wii Fit at all :O
And no, the initial score isn't always there, it changes every day.
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS







