For most characters, you just need to achieve a gold cup in all the grand prix races. This also usually works for karts and bikes. If you achieve 24 expert ghost staffs in the time trials you unlock the b dasher mk 2 which is a fast kart! If you unlock 32 expert ghost staffs in total, you also get a mii outfit b that looks like Mario's costume.
To get ghost staffs, you have to beat a ghost's record around a course, to do this you have to beat their record by several seconds. Shortcuts on the courses can help cut your time and doing wheelies on bikes can make you go faster, so does performing tricks when you jump.
These are instructions to get several characters in Mario Kart Wii:
KING BOO:
win the 50cc star cup
DIDDY KONG:
win 50cc lightning cup
BABY DAISY:
get at least 1-star rank in the top line 50cc
DRY BONES:
win the 100cc leaf cup
BOWSER JUNIOR:
get at least 1 star rank in the bottom cups 100cc
DAISY:
win the 150cc special cup (crown cup)
DRY BOWSER:
get at least 1 star rank in the top cups.
FUNKY KONG:
unlock 4 fast ghost data on time trials
BABY LUIGI:
unlock 8 fast ghost data on time trials
BIRDO:
play 16 time trials (no win)
TOADETTE:
play all the races on time trials (no win)
ROSALINA:
have a super mario galaxy file then win 50cc mushroom cup
or get at least 1 star rank in the top mirror mode cups
MII OUTFIT A:
win the 100cc special cup (crown cup)
MII OUTFIT B:
unlock all 32 ghost data on time trials
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.
Wiggler is not unlockable in Mario Kart Wii.
If you need to unlock her in Mario kart wii here is the answer: Win the 150cc Special Cup. If you need to unlock her in Mario Kart 7 here is the answer: Win the 150cc Mushroom Cup. Source: I beat Mario Kart Wii, and I unlock Daisy in Mario Kart 7.
There is no 300cc cup on Mario Kart Wii.
You can't.
Baby Mario is already one of the starting characters on Mario Kart Wii.
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.
there is no goomba to unlock in Mario kart wii
You could get 24 characters in all
Do cups. I think you unlock them by doing the 150cc on it.
To unlock Characters in Mario Kart Wii you must beat the single player races. When you get a gold trophy in all of the races and a star ranking in all the races you will have all the characters
Get gold trophy in grand prixs to unlock karts and characters.
You can't unlock Pauline in Mario Kart Wii,he isn't in that game.
Wiggler is not unlockable in Mario Kart Wii.
go online and look for Mario cart character/game cheats
Only a few.
24, you start off with 12 and unlock 12.