nintendo blocked game saves of smashed brawl and mario kart

looks like a scam.
their is ways around it but none that are simple and may brake your wii.

just beat the things u can beat and unlock as much as possible

if u wanna see what u need to do to unlock a specific track character or vehicle check this site.
http://www.gamefaqs.com/console/wii/code/942008.html