Luigi under the Saucer

Luigi under the Saucer is the seventh mission of the Battlerock Galaxy in Super Mario Galaxy. The mission can only be done if Luigi has been rescued from the Ghostly Galaxy and Good Egg Galaxy, after which he will send a letter telling Mario where he is.

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This mission takes place during the first mission of the galaxy. Luigi is found on the underside of the UFO with the Power Star. The player has to guide a Bullet Bill to the bottom of the saucer and have it ram into the cage Luigi is in, which will shatter it. As thanks, Luigi will give the player one of the three Green Power Stars in the game.