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Mario Party 5 Hydrostars.png
Appears in Mario Party 5
Type 4P
Initial record 1'00"00
Music Everybody Party

Hydrostars is a 4-player mini-game found in Mario Party 5.


The four players, in their speedboats, drive up to the starting gate. The camera then zooms in on the player as the screen splits into four.


Players in their boats attempt to drive through five numbered ring markers in order. There is an arrow indicating the direction of the next marker. If players hit one of the crates floating in the water, they are stunned for a moment. After driving through all five markers, players must still drive through the finish line to win.

This mini-game appears as the seventh mini-game in Mini-Game Decathlon. Here, the player's objective is to finish the course as fast as possible to earn as many points as possible, up to a maximum of 1,000. The default record for this mini-game in Mini-Game Decathlon is 00:52.64. Also, the mini-game ends once all players finish, or 01:30.00 pass.


The screen zooms in on the winner's screen, as they continues driving while waving. There is no ending in the Mini-Game Decathlon variation, the screen fades to white before the results are shown.


  • Control Stick – Steer (Left/Right)
  • A Button – Accelerate
  • B Button – Brake

In-game text[edit]

  • Rules"Steer the boat through all of the gates in numerical order. Whoever reaches the finish line first wins."
  • Advice"The arrows point in the direction of the next marker, so follow their lead!"

Names in other languages[edit]

Language Name Meaning
Japanese モーターボートラリー
Mōtābōto Rarī
Motorboat Rally
Spanish Carrera de lanchas Boat Racing
French Rallye nautique Nautical rally
German Motorboot-Slalom Motorboat Slalom
Italian Motoscafi e Stelle Motorboats and Stars