First, the player must bet coins. The Koopa Troopa in the Warp Pipe on the middle then hides as the three pipes swap around. After the pipes stop shifting, the player has to pick a pipe. If the player picks the pipe that contains the Koopa Troopa; the player gets double amount of coins they bet. The player can either double the coins by pressing A or keep the coins by pressing B. If the player chooses to double the amount of coins once more, the pipes swap a little bit faster. The player can bet up to five times in a row.
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