Red Coins in Ricco Tower

Red Coins in Ricco Tower, also called Return to Ricco Tower, is the bonus ninth episode of Ricco Harbor in Super Mario Sunshine. It can be accessed by replaying The Secret of Ricco Tower.

Layout
Returning to said mission after clearing it once will allow Mario to use FLUDD and do a red coin challenge. Ground Pounding the new Red Switch Plate will cause eight red coins to appear around the stage and the player must collect them all within a time limit of a minute and thirty seconds. After collecting all eight red coins, the Shine Sprite will appear at the end platform. The locations of the red coins are:
 * Two are over the first set of rotating platforms.
 * Two are on the walls over the center platform. The player has to use Wall Jumps or the Rocket Nozzle to reach them.
 * One is over the center gear platform's path.
 * Two are over the smaller rotating platform after the gears, with the final red coin being over the larger platform.