Purple Coins on the Rainbow Road
Purple Coins on the Rainbow Road is the second mission of the Rolling Coaster Galaxy from Super Mario Galaxy 2. This mission plays similarly to The Rainbow Road Roll, except players need to collect 100 Purple Coins scattered throughout this level within the time limit with a Purple Coin Ball rather than a Star Ball. This level is unlocked when the Comet Medal has been collected in this level and a Prankster Comet approaches this galaxy.
At the beginning of the level Mario finds a Purple Coin Ball at the starting planet as opposed to the normal Star Ball. Mario must follow the same path as in the first mission, except that he is only be able to follow the Expert Path when the course splits in two, instead of a choice to follow either path. Obviously, Mario must also make sure to collect at least 100 of the 110 Purple Coins found on the Rainbow Road Planet with a time limit of two minutes. If he is able to collect at least 100 Purple Coins within the time limit and successfully make it to the Ending Planet, then a Gearmo rewards Mario with a Power Star. If not, Mario loses a life.
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