Game Guy's Sweet Surprise
The player simply has to predict which Chain Chomp can eat its cake faster. The Big Chomp will most likely finish first, and should the player correctly predict that he will win, they will double their coins. However, if the player correctly guesses that the Little Chomp will win, their coins will be multiplied by an even greater number: either 4, 8, 16, 32, or 64. Before selecting a Chain Chomp, the player can read a description of the Chain Chomps' moods, which may signify if they are capable of winning, but this is not always accurate. If the player makes the wrong prediction, they will lose all their coins, as with any other Game Guy minigame.
The probability that the Little Chomp wins depends greatly on the multiplier assigned to it. At fixed intervals, one of the two Chomps will take a bite of the cake, with a 40% chance of taking a second bite. The first Chomp to take six or more bites wins.
This means that the overall probabilities that the Little Chomp finishes the cake first are as follows:
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