Going after Guppy
According to the Penguins, someone named Guppy has been causing trouble around the Sea Slide Galaxy, preventing the Penguins from racing. Ahead of where the player starts is a stone arch, with Guppy waiting beneath it. Approaching Guppy will have him challenge the player to swim through eight rings he leaves behind as he swims along. Guppy will take the player through the entirety of Sea Slide Galaxy's water ring, through different obstacles and hazards. Additionally, there are several Red Shells placed around the seabed that can make swimming easier. Swimming through all eight rings will make Guppy withhold his claim on owning the sea and reward the player with the Power Star. However, failing to swim through all eight rings will cause the player to have to restart the challenge.
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