The Chimp's Ultimate Skating Challenge

The Chimp's Ultimate Skating Challenge is the hidden third mission of the Shiverburn Galaxy in Super Mario Galaxy 2.

Mission
On the starting planet, the player needs to make their way to the Launch Star, but not use it. Behind the Launch Star is a Warp Pipe that will take the player to an Underground Ice Rink where they will find The Chimp. The Chimp will challenge the player to beat his score of 600 points within 40 seconds. Green Gummits are worth 10 points, Gold Gummits are worth 50, and Spiked Gummits will slow the player down. If the player manages to get over 600 points within the time limit, The Chimp will reward the player with a Power Star. If not, the player can leave through the Warp Pipe and reenter to try again.