Mario Kart Wii Unlockable Characters:
King Boo - Win 50cc Star Cup
Diddy Kong - Win all 50cc Cups
Baby Daisy - Attain at least 1 Star Rank for all 50cc Wii Grand Prix Cups
Mii (Outfit A) - Win 100cc Special Cup
Mii (Outfit B) - Unlock all Expert Staff Ghosts in all 32 Courses
Dry Bones - Win 100cc Leaf Cup
Bowser Jr. - Attain at least 1 Star Rank for all 100cc Retro Grand Prix Cups
Daisy - Win 150cc Special Cup
Dry Bowser - Attain at least 1 Star Rank for all 150cc Wii Grand Prix Cups
Funky Kong - Unlock 4 Expert Staff Ghost Data in Time Trials
Baby Luigi - Unlock 8 Expert Staff Ghost Data in Time Trials
Birdo - Play Time Trials on 16 different courses/Get 250 wins online
Toadette - Play Time Trials on all 32 different courses
Rosalina - With a Super Mario Galaxy save, win a series of Grand Prix cups/Without Galaxy save, Attain at least 1 Star Rank for all Mirror Retro Grand Prix Cups
there are a variety of characters that you can unlock and different bikes and carts to unlock also. Unlock them by beating time trials, and playing grand prix and coming in first place. Also getting star ratings in all the grand prix races will unlock even more things!
Mario, Luigi, Peach, Baby Mario, Baby Peach, Wario, Waluigi, Yoshi, Bowser, DK, and Toady come with the Game.
To Unlock King Boo, Win the unlockable Star Cup.
To unlock Dry Bones, win the 100cc Leaf Cup
To unlock Dry Bowser, Get a "One Star" rank or better in all 150cc Wii Cups.
To unlock Funky Kong, get 4 expert Staff Ghost Data in Time Trials Mode
To be able to play as a Mii, win the 100cc Special Cup or Unlock all 32 Expert Staff Ghost Data in Time Trials mode
To unlock Birdo, Play Time Trials on 16 different courses or win 250 Wi-Fi matches.
To unlock Toadette, Play on all 32 courses in Time Trials mode or win 1,000 Wi-Fi online matches.
Daisy-Get a Gold Trophy on every cup in Retro Grand Prix on 50cc
Dry Bones-Get a Gold Trophy on every cup in Nitro Grand Prix on 50cc
Waluigi -Get a Gold Trophy on every cup in Retro Grand Prix on 100cc
ROB-Get a Gold Trophy on every cup in Retro Grand Prix on 150cc (Or 150cc Mirror)
You unlock characters by getting gold on 50cc 100cc and 150cc races and by completing time trials.
There is no maniac in Mariokart Wii. Check out the characters that you can get by asking this question in the green tab: "What characters can you unlock in Mariokart?"
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All you do is on the list of characters press the last one on the bottom.
Mariokart wii
you have to do time trial races to unlock characters/vehicles
To get mirror cups in Mariokart Wii you willk have to complete all of the cups on all engune sizes
Playable characters: Mario, Luigi, Yellow toad, Blue toad. Non Playable Characters: All 8 koopa kids, Bowser JR., kammek koopa and Bowser.
Playable characters are Mario, Luigi, Yellow Toad, and Blue Toad
Torpedo for speed unless you are driving as Rosalina then it's the Twinkle Star. Phantom for all around.
keep playing
To unlock the characters you must complete all three levels of races 50cc 100cc and 150cc with gold, then complete the time triles in first place. This unlockes all of the characters and bikes.
Silver is not playable, and while I'm at it, no other Sonic characters are, or ever will be.