One can find online video games rankings on video game review sites, such as IGN. Also, online retailers such as Amazon keep track of rankings as well.

Nothing, it just improves your rankings.

Go into the Records Mode and choose to connect to the Nintendo WFC rankings. Allow the game to load up the internet connection and you will be able to view the current local and worldwide rankings, you can also view friends rankings here.

The Letter Rankings are a display of how well you did on the course. Things like finishing 1st and not getting hit by items can increase this ranking while finishing lower down the table and getting hit by items can decrease it. Certain rankings are also needed to unlock special characters for the game.

When you get all star rankings in the 50cc cup, you get Baby Daisy.