The camera will show the thirty competitors (including the human players) upon the mopeds, and the game will play a racing jingle before the race starts. The starting grid for a race is always made up of seven rows in a 5-4-5-4-5-4-3 manner from the front row to the back row, with the human player(s) always starting in the back row. In two-player mode, the screen splits to show the second player. The lights will beep twice, then turn green, which officially starts the race and the minigame.
When the player plays as a Mii, it will replace one of the characters in the race.
This game is a racing minigame with three optional courses. It has thirty competitors, ranging from the original playable characters to Shy Guy and even Thwomp. They will race around the chosen course three times and compete for first place. Players cannot go the wrong way around the course. There is a ten minute time limit for this minigame, if players take longer than 9:30, a 30-second countdown begins.
This minigame has a unique CPU system due to the fact that there are thirty competitors instead of the usual four or eight. A CPU's starting position often has no effect on the position the CPU will finish in the race. While most of the CPU racers will keep ideal speed during a race, one or two CPU racers will always go very slow in a race, so the human player usually will place no worse than twenty-eighth in this minigame (even if they time out in Course 3), unless they do very poorly. These CPU racers will often be lapped by the first place racer before they even enter their second lap. Several CPU racers will also go fairly slow, so they may be lapped by the 1st place racer as well before they even enter their final lap.
Sometimes if the human player does not place first, a CPU character that is not playable in Mario Party 8 comes in 1st. Also, at least twenty CPU racers will be on the lead lap by the time the first place racer finishes.
The player will cross the finish lines, and do a victory pose while still on their moped. In 2-player mode, the player with the faster time does a victory pose, but if the finishing times are the same and a tie occurs, no one will do a victory pose (even though the displayed positions are different). This also occurs if ten minutes pass and one of the players does not finish.
While the only playable characters are the usual characters in the game as well as Miis, a large amount of other characters appear during the minigame as well.
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