You start off with every character. There are no secret characters to unlock.
There aren't any more characters in it.
Do cups. I think you unlock them by doing the 150cc on it.
theres are no types of codes for the game you will have to unlock it normally
you can't unlock characters
You don't unlock it!!!!! It's hidden in the back!!!!! Good luck finding it!
Mario & Sonic at the Olympic Games, Mario & Sonic at the Olympic Winter Games, and Mario & Sonic at the London 2012 Olympic Games do not have unlockable characters. All playable characters are available from the start.
in adventure mode, you can't use Bowser. in free mode, you have all the characters
None.
you have to beat all olympic rec.s
To get serten characters, beat the levels with those characters in it.
No you can't unlock Jet.
I have Mario Kart Wii and played it lots of times. I don't think you could unlock more characters. Or if you could, IDK.