The Galaxy's Greatest Wave
From the Super Mario Wiki, the Mario encyclopedia
The Galaxy's Greatest Wave is the only mission of the Loopdeeswoop Galaxy in Super Mario Galaxy. Similar to the Surfing 101 mission in the Loopdeeloop Galaxy, this mission's objective is to race through a course on the back of a Manta Ray.
The player starts on one of the small, circular platforms. Approaching the Penguin Coach will have him ask if the player wants to race the course, and accepting will bring the player to the course on the back of a Ray.
The player is given three minutes to complete a lap on the course. Compared to the course in Surfing 101, this course is more challenging. The course has many slopes, bends, and narrow paths, as well as a large loop halfway through the track. If the player can complete the course in under three minutes, the Coach will reward the player with the Power Star. However, once three minutes have elapsed, the race will stop and the player will lose a life.
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