Big Brain Academy: Wii Degree Cheats - Wii

Unlock Medals
This is how you get the medals in the game:

100g Brain - Bronze Medal
200g Brain - Silver Medal
300g Brain - Gold Medal
400g Brain - Platinum Medal (Easy level)
450g Brain - Platinum Medal (Medium level)
475g Brain - Platinum Medal (Hard level)
500g Brain - Platinum Medal (Expert level)

Free Platinum Medal
Quit out of the game four times in one minute and you will automatically earn a Platinum Medal.

Unlock Expert Difficulty
Get a Gold Medal on Easy, Medium and Hard on a single exercise to unlock the Expert difficulty for that exercise.