List of Mario Kart Wii glitches
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This is a list of glitches in the game Mario Kart Wii.
NOTE: Unless otherwise noted, all names are conjectural.
13 Players Online
Rarely, when a player finishes a race and leaves the results screen, the top left corner will say, "The next match might have 13 players", although it should say 12. It is also possible, although unlikely, to say more than 13 players (i.e. "The next match might have 14 players"). The next match will never have more than 12 players, though.
Bigger Opponent Icons
Character opponent icons in the map get noticeably larger after the player has played Time Trials. This is due to how the game sets the size of the opponents' icons; when the game initially starts up the icons are set to the size that they normally are in races. Once a Time Trial race has been started, the opponents' icons are resized to be the same as the player's icon due to there only being a maximum of one opponent in Time Trials, which is the Ghost, but it is not reset after exiting Time Trial mode. The only way to reset the icons to the correct size is by restarting the game.
Blue Fake Item Boxes in a Solo Race
This glitch works in all modes, but is easier if done in multiplayer mode, due to the selection of teams. The first player needs to start a team race. When going to the review teams screen, the player needs to go back and start a solo race. During this solo race some racers' fake item boxes will be blue rather than red. However, as with the normal, red item boxes, anybody can trip on these blue fake items in a solo race.
Bowser's Castle Shortcut Glitch
On the half pipe area of Bowser's Castle, players can boost up the right side of the half pipe on the right, and go through the un-textured wall onto the higher platform, as a shortcut.
In the Thwomp Desert tournament, if the player has the Pokey head rolling around the area, it may occasionally get jammed between three cacti, making it unable to roll around. When this happens, it will shake in place. This glitch makes the Pokey an easy target.
Coconut Mall Parking Lot Lap Glitch
In Coconut Mall, if the player jumps off a ramp/escalator in a certain manner, the players fly off the main track. Players can then travel into the parking lot, where, if they go to the right places, they can make laps count. There are five known ways to do this glitch. This was later fixed in Mario Kart 7.
Grumble Volcano Rock Lap Glitch
If the player manages to get on top of the large rock to the left of the starting line in Grumble Volcano, each time he or she drives around it, the game will act as if the player completed a lap. This was later fixed in Mario Kart 8 because of the better collision detection and the modified shape.
In Dry Dry Ruins or Koopa Cape, right when any player leaves the ruins or tunnel, if the players get hit by a Spiny Shell, if done correctly, the music from the ruins or tunnel will be playing throughout the entire course. If players are on lap one, the music will keep playing until they exit the ruins or tunnel yet again. If they were on laps two or three, the music will return to normal when they cross the finish or enter the final lap.
In the second Spiky Topmen tournament, if the player pushes a Topman while it is very angled, as if it is going to land on its side, and it stops on one of the gaps that separate one of the outer rings, it will be in some fast, jittering, frozen animation. This glitch can also happen if the second Topman pushes the other Topmen, but both of these techniques are hard to do and are rare to see.
Jump out of Bowser's Castle Glitch
The player will have to use a bike or kart with good speed and very low weight. When they enter Bowser's Castle they need to jump on the moving floor twice. The driver will bounce up high and not come back down. Soon they will fall back down. Fall time depends on speed and if the player used mushrooms.
Mario Circuit Tree Clip
At Mario Circuit, the player must clip the second tree behind the finish line, using a Mushroom. They will fly over part of the course and land just after the circuit's tunnel. The player must then drive backwards to the middle of the tunnel. After doing so, they have to travel forward. This glitch is also possible on one of the trees on the right before the finish line.
Mushroom Gorge Cave Lap Glitch
In Mushroom Gorge, if the player tricks off one of the two mushrooms at the beginning of the course, they can grind around the mountain while alternating the control stick down-left and down-right if using another controller other than the Wii Remote, and gain a lap. This is also why the first shortcut was later removed in Mario Kart 7.
Music Volume Turned Down
When on wi-fi battle mode, if one is to take the batteries out of the Wiimote right after the battle course is selected, and they put the battery back in before the countdown to start the battle, the volume of the music is turned down.
Peach Beach Tree Clip
Near the end of Peach Beach, the player can clip one of the trees and go over to the other side of the course near the Cataquacks. This will count the lap.
Selecting the Same Character
This glitch works only for multiple players and in 2-Player Wi-Fi. Each player has to select the character, then de-select him or her and move the cursor off. Then, the players press B to go back one screen. When returning to the characters screen, the player should notice how the ring around the selected character is flashing 2-4 colors. If the player observes what happens when one player actually selects the character, all the other players have the same animation.
Somewhere Over The Rainbow
This glitch is in Rainbow Road. To successfully do it, the player needs to use a Mushroom to get a speed boost just before the slope after the finish line. If done right, the character will soar over the slope. Aim for the track below the upcoming ramp. If the player is lucky enough, they will land on it and skip some of the track. This is not useful, however, because the lap doesn't count. This can also be performed by Slipstreaming at the correct time rather than using a Mushroom, most easily right at the start of a race and starting in the bottom six so all the players are already lined up, however the timing on the jump is a lot more strict and is not recommended to be used as an alternative. There's a similar glitch in Mario Kart 64, although this one does count the lap and no items are required to execute it.
Through the halfpipe in DK Mountain
In DK Mountain, the player should go to the area near the base of the volcano and use a Mushroom to clip through the edge of the fence and the halfpipe. If done correctly, the player should fly through the halfpipe and land on the other side. Tricking on the halfpipe while doing this usually results in the player going into a black area counted as out of bounds.
Upside down in DK Summit
The player must go after the first 180° turn and see a pit before the second: they must go with the vehicle right before the pit (at its left), aware to not fall in it. The player must then accelerate very slowly, ending up near the fence at the right of the second 180° turn: occasionally, the player will flip up. In this state, the vehicle cann't be controlled and will soon fall to a pit to the left, returing normal in the process. The glitch has only been known to occur while using Bowser in the Piranha Prowler.
Wario's Gold Mine Quick Lap
The player must go to Wario's Gold Mine and go forward to the right slightly. Then, the player should face the pipe and use a Mushroom. Either the player goes out of bounds or bounces off the pipe through the above road. Either way, the player have to hit just to the right of the metal fence. Then, the player can finish the lap with that checkpoint.
Sometimes when the player is watching a live Wi-Fi race, the player in first place who already past the finish line will start doing the sixth place and below animation while/or a racer(s) in sixth place or below will start doing the fifth place and above animation. Although it is more likely for the player in first place will do the wrong animation.
Players should do the "Selecting the Same Character" glitch, and choose either Peach, Daisy, or Rosalina. One player chooses a kart, while the other chooses a bike. One player has to get 3rd place or above, and the other take 4th place or below. At the victory ceremony, if one player keeps an eye on the princess in 4th place or below, the princess will be wearing a dress, while the other is wearing her biker suit, or vice versa.