just get them for yourself in any cc in single player and you have um in multiplayer
The person you are playing with has to have mariokart in their ds too. then you can play all of the tracks and you can both pick a player.
VR is a multiplayer feature that existed in both Mariokart Wii and Mariokart 7. You earn VR by competing in worldwide races (not in community races). The better you place, the more VR you earn. However, in many cases, placing last will get VR taken off of you.
by beating races and ghost races
to get dry bowser on mariokartwii get one star in all 150cc races
all you have to do is get a gold medal in all the other races of all the other cups, then you should unlock mirror.
you have to do time trial races to unlock characters/vehicles
win 2,700 races
Play all 32 Time Trail Races. You don't have to necessarily beat the ghost, just play a full race for each.
get 1st place in all the other races and i would recommend Yoshi to race with (just to unlock stuff though)
You must have a save file on super Mario galaxy and do50 races and then she will be unlocked.
On 1 player, it is just grand prix. On multiplayer, you can ask a friend with another wheel to join you.
To get mirror cups in Mariokart Wii you willk have to complete all of the cups on all engune sizes
if you have Mario Super Galaxy, have a saved game file and win 50 Grand Prix races. Or get a one star rating in all the cups and tracks. Even Mirror mode!