All the player has to do is to jump on the stack of shells as moving pipes shoot more on top. As the player jumps on more shells consecutively, they fly across the screen quicker. The color of the pipe and shell determines the shell's speed. Green shells are the slowest, followed by yellow, orange, with red being the fastest. If the player misses or gets hit by a shell, the game ends.
In Shroom City, the player must stack ten shells in sixty seconds to win. In this version, being hit by a shell only temporarily stuns the player.
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