Gateway's Purple Coins
Gateway's Purple Coins is the second mission of the Gateway Galaxy in Super Mario Galaxy. The objective is to collect all the Purple Coins around the planet by utilizing the Red Star power-up. This mission is only made accessible after the Gate has been unlocked on the Comet Observatory.
When Mario enters the galaxy, Rosalina will greet him. A Red Luma notices how much Rosalina trusts Mario, and gives Mario a challenge of collecting 100 Purple Coins which he has scattered around the planet to earn his trust as well. There are seventy coins located on the planet itself and thirty coins in the air. Mario must use the new Red Star power-up that gives him the ability of flight to reach the thirty Purple Coins floating in the air. Successful completion of this mission will award Mario the game's sole Red Power Star, and also allows him to use the Red Star power-up in the Comet Observatory whenever he wants.
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