List of constellations in Mario Party 9

The following is a list of all 50 constellations and their descriptions as seen in Mario Party 9. All constellations cost 50 Party Points to purchase. They are based on playable characters, bosses, and entities that appear in various boards and minigames. For one Party Point, players can launch a firework into the sky while viewing the constellations.

Trivia

 * Every constellation that is based on a starting playable character, except Yoshi and Toad, is shaped according to that character's emblem.
 * Some constellation names could be puns: "Hero's Best Buddy" is likely a pun on "," "Killer Caterpillar" is likely a pun on "" or "," "Blooper Reel" is a pun on the, "Snow Bird" is likely a pun on "," "Nail Shell" is likely a pun on "snail shell," "On Porpoise" is a pun on "on purpose," and "Drop Bat" is likely a pun on "bat drop."