More than one person can be the same character.
First, make P1 choose the character you both want to be. Then unselect the character and move off of it. Move P2 over, and select the character. Go back one screen, then go into the character select again. You should both be on the same character. Both of you select the character. Do whatever you want from there on.
Note: In the character select screen and options, whenever one of you does an animation, both of you will. Also, if P2 chooses a different kind of vehicle than P1, P1 will look strange. Don't worry, this won't actually happen in the game.
I haven't tested this with P3 or P4 yet, but in theory, it should work.
Contributed By: BTAxBTA.
Alternate Title Screen and Ending Screen
Completing every single cup with a first place unlocks two new alternating Title Screens and one new Ending Photo.
Alternative Method of Unlocking Game Content
This is an alternative method of unlocking characters, karts, and bikes. Simply play the required number of games (races/battles). This method takes a while, but is far easier to complete.
Unlockable How to Unlock Baby Daisy Play 1,950 races/battles. Baby Luigi Play 3,150 races/battles. Birdo Play 1,350 races/battles. Blue Falcon Play 4,200 races/battles. Bowser Jr. Play 3,450 races/battles. Cheep Charger Play 1,800 races/battles. Daisy Play 2,850 races/battles. Daytripper Play 2,700 races/battles. Diddy Kong Play 450 races/battles. Dolphin Dasher Play 3,750 races/battles. Dry Bones Play 1,050 races/battles. Dry Bowser Play 4,350 races/battles. Funky Kong Play 2,250 races/battles. Honeycoupe Play 3,000 races/battles. Jet Bubble Play 3,900 races/battles. Jetsetter Play 4,500 races/battles. King Boo Play 750 races/battles. Magikruiser Play 900 races/battles. Mii Plumber's Costume Play 5,100 races/battles. Mii Racing Suit Play 1,650 races/battles. Mirror Mode Play 4,800 races/battles. Phantom Play 4,050 races/battles. Piranha Prowler Play 600 races/battles. Quacker Play 2,400 races/battles. Rosalina Play 4,950 races/battles. Shooting Star Play 1,500 races/battles. Sneakster Play 3,300 races/battles. Spear Play 3,600 races/battles. Sprinter Play 4,650 races/battles. Super Blooper Play 300 races/battles. Tiny Titan Play 1,200 races/battles. Toadette Play 2,550 races/battles. Zip Zip Play 2,100 races/battles.
Contributed By: Vipsoccermaster.
Unlockable How to Unlock Baby Daisy 1 Star in all 50cc Wii-Cups Baby Luigi Unlock 8 Expert Staff Ghost Data in Time Trials Birdo Play Time Trials on 16 different courses or win 250 Wi-Fi matches. Bowser Jr. 1 Star in all 100cc Retro-Cups Daisy Win 150cc Special Cup Diddy Kong Complete retro 50cc Cups Dry Bones Win 100cc Leaf Cup Dry Bowser 1 Star in all 150cc Wii-Cups Funky Kong Unlock 4 Expert Staff Ghost Data in Time Trials King Boo Win 50cc Star Cup Mii (Outfit A) Win 100cc Special Cup Mii (Outfit B) Unlock all 32 Expert Staff Ghost Data in Time Trials Rosalina Have a Super Mario Galaxy savefile and she will be unlocked after 50 races or get 1 star in all 8 Mirror Mode Cups Toadette Play Time Trials on all 32 different courses or win 1000 Wi-Fi matches.
Unlockable How to Unlock Leaf Cup Win at least 3rd place in Banana Cup and Shell Cup Lightning Cup Win at least 3rd place in Leaf Cup Special Cup Win at least 3rd place in Star Cup Star Cup Win at least 3rd place in Flower Cup and Mushroom Cup
Golden Wii Wheel
Use the wii wheel extensively in all the modes, when you go online a golden wii wheel will be next to your name.
Contributed By: altandf4.
Have a star by your nickname
Playing extraordinarily well in Grand Prix races can produce a Star Ranking upto 3 at the end results instead of the standard "C, B or A."
Collecting these stars in all Grand Prix's adds a Star Icon next to your name in WiFi Races and on the Results Screen for your opponents to see.
(Note: Say, if you get a Three star rating in every Grand Prix except one which you got a One star rating in. You would get a One starred nickname until you manage to upgrade the rank.)
Unlockable How to Unlock Double starred nickname Get a two star rating in every Grand Prix One starred nickname Get a one star rating in every Grand Prix Triple starred nickname Get a three star rating in every Grand Prix.
Karts and Bikes versions of 50cc and 100cc
You can unlock Karts and Bikes versions of 50cc and 100cc(like 150cc, but slower) by completing all the cups in that CC.
To activate these versions, press the + button on the Speed Select screen.
Unlockable How to Unlock 100cc(Kart and Bikes) Place 1st, 2nd, or 3rd in all 100cc cups 50cc(Karts and Bikes) Place 1st, 2nd, or 3rd in all 50cc cups
Contributed By: PokeLoveGuy9.
Reach 1st place in all cups at 150cc class.
After meeting the requirements, some unlockables may require you to back out of your save file and reselect it. Note: In different countries, the bikes have different names but the unlocking method is the same.
Unlockable How to Unlock Bubble Bike (small bike) Win Mirror Leaf Cup Dolphin Dasher (medium bike) Win Mirror Star Cup Magikruiser (small bike) Play Time Trials on 8 different courses Phantom (large bike) Win Mirror Special Cup Quacker (small bike) Win 150cc Star Cup Shooting Star (large bike) Win 100cc Star Cup Sneakster (medium bike) Attain at least 1 Star Rank for all 100cc Wii Grand Prix Cups Spear (large bike) Unlock 12 Expert Staff Ghost Data in Time Trials Zip Zip (medium bike) Win 100cc Lightning Cup
Contributed By: gohanrice.
After meeting the requirements, some unlockables may require you to back out of your save file and reselect it. Note: In different countries, the karts have different names but the unlocking methods are the same.
Unlockable How to Unlock Aero Glider (large kart) Attain at least 1 Star in all 150cc Retro Cups Blue Falcon (small kart) Win Mirror Lightning Cup Cheep Charger (small kart) Attain at least 1 Star Rank for all 50cc Retro Grand Prix Cups Honeycoupe (large kart) Win 150cc Lightning Cup Piranha Prowler (large kart) Win 50cc Special Cup Royal Racer (medium kart) Win 150cc Leaf Cup Sprinter (Medium Kart) Unlocked 24 Expert Staff Ghosts Tiny Titan (small kart) Beat 50 opponents during Wi-Fi play or unlock one expert staff ghost Turbo Blooper (medium kart) Win 50cc Leaf Cup
Boost when recovering from a fall
When you fall into something, such as water or falling from rainbow road, when you land, if you hit 2 at the moment you hit the ground, you get a temporary boost.
Contributed By: andylee999.
Change Mii Racer weight class
Go into the Mii Channel and change your Mii drivers weight, which will have an in game impact causing you to change weight class and have different cars.
Contributed By: gamerjr.
POW Block Immunity
When you see the POW block on your screen and its about to hit you, just do the function you would normally use for a trick to create a shockwave for youself to become immune to the spin out the POW block creates (Control panel on GCN controller, Shaking Wii wheel, etc.). This can be done on both bikes and carts. Even though you don't loose speed or spin out, you still will loose the items you were carrying.
Contributed By: Chacronic.
When the countdown starts wait till the 2 starts to disappear and then press and hold the 2 button. So the 2 must still be visible but disappearing.
This will give you a boost at the start of the race.
Contributed By: Flamixx.
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