Small Drivers:
Baby Luigi-8 expert staff ghosts in time trials or win 100 WFC ghost races or play 3,150 races
Baby Daisy-* rank for all 50cc wii grand prix cups or play 1,950 races
Toadette-play time trials on all 32 courses or win 1,000 WFC races or play 3,150 races
Dry Bones-win 100cc leaf cup or play 1,050 races
Medium Drivers:
Daisy-win 150cc special cup or play 2,850 races
Diddy Kong-win 50cc lightning cup or play 450 races
Bowser Jr.-* rank for all 100cc retro grand prix cups or play 3,450 races
Birdo-play time trials on 16 different courses or win 250 WFC races/play 1,350 races
Large Drivers:
Dry Bowser-* rank for all 150cc wii grand prix cups or play 4,350 races
Funky Kong-4 expert staff ghosts in time trials or win 25 WFC races or play 2.250 races
King Boo-win 50cc star cup or play 750 races
Rosalina-have a Super Mario Galaxy save file and win 50 races or * rank for all mirror grand prix cups or play 4,950 races
Miis:
Mii Outfit A-win 100cc special cup or play 1,650 races
Mii Outfit B-32 expert staff ghosts in time trials or play 5,000 WFC races or win 5,000 WFC ghost races or play 5,100 combined races or battles
Unlockable Bikes:
Quacker (small bike) - Win 150cc Star Cup
Bubble Bike (small bike) - Win Mirror Leaf Cup
Magikruiser (small bike) - Play Time Trials on 8 different courses Rapide (medium bike) - Win 100cc Lightning Cup
Nitrocycle (medium bike) - Attain at least 1 Star Rank for all 100cc Wii Grand Prix Cups
Dolphin Dasher (medium bike) - Win Mirror Star Cup
Twinkle Star (large bike) - Win 100cc Star Cup
Phantom (large bike) - Win Mirror Special Cup
Torpedo (large bike) - Unlock 12 Expert Staff Ghost Data in Time Trials
Cheep Charger (small kart) -- Attain at least 1 Star Rank for all 50cc Retro Grand Prix Cups
Blue Falcon (small kart) -- Win Mirror Lightning Cup
Rally Romper (small kart) -- Unlock 1 Expert Staff Ghost Data in Time Trials Turbo Blooper (medium kart) -- Win 50cc Leaf Cup
Royal Racer (medium kart) -- Win 150cc Leaf Cup
B-Dasher (medium kart) -- Unlock 24 Expert Staff Ghost data Piranha Prowler (large kart) -- Win 50cc Special Cup
Dragonetti (large kart) -- Win 150cc Lightning Cup
Aero Glider (large kart) -- Win all 150cc Retro Grand Prix Cups Unlockable Karts:
Cheep Charger (small kart) - Attain at least 1 Star Rank for all 50cc Retro Grand Prix Cups
Blue Falcon (small kart) - Win Mirror Lightning Cup
Rally Romper (small kart) - Unlock 1 Expert Staff Ghost Data in Time Trials Turbo Blooper (medium kart) - Win 50cc Leaf Cup
Royal Racer (medium kart) - Win 150cc Leaf Cup
B-Dasher (medium kart) - Unlock 24 Expert Staff Ghost data Piranha Prowler (large kart) - Win 50cc Special Cup
Dragonetti (large kart) - Win 150cc Lightning Cup
Aero Glider (large kart) - Win all 150cc Retro Grand Prix Cups Unlockable Bikes:
Quacker (small bike) - Win 150cc Star Cup
Bubble Bike (small bike) - Win Mirror Leaf Cup
Magikruiser (small bike) - Play Time Trials on 8 different courses Rapide (medium bike) - Win 100cc Lightning Cup
Nitrocycle (medium bike) - Attain at least 1 Star Rank for all 100cc Wii Grand Prix Cups
Dolphin Dasher (medium bike) - Win Mirror Star Cup
Twinkle Star (large bike) - Win 100cc Star Cup
Phantom (large bike) - Win Mirror Special Cup
Torpedo (large bike) - Unlock 12 Expert Staff Ghost Data in Time Trials
You play a Grand Prix race. If you win enough you unlock characters.
=You just have to get 1st place in the cups you didn't get 1st place in.=
You have to get first in all the other cups before, then defeat the next cup, and then the next. Then you will be able to unlock them all.
win the 150cc
there is no goomba to unlock in Mario kart wii
You can't unlock Pauline in Mario Kart Wii,he isn't in that game.
look on wikipedia
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.
ROB is not in Mario Kart Wii, he is only in Mario Kart DS.
There is no 300cc cup on Mario Kart Wii.
Baby Mario is already one of the starting characters on Mario Kart Wii.
Rob is not in Mario Kart Wii.
You can not get ROB in Mario kart wii, only in the DS version of the game.
You can't unlock toad on mario kart Wii.Toad is already there.
In Mario kart wii you have to win the 150cc special cup