Bowser Station is the sixth board featured in Mario Party 9, and the final stage in the Solo mode. The default vehicle here is the Space Scuttle. In the Museum, the player can purchase the Shiny Saucer and the Starship Bowser vehicles. The mid-boss is Bowser Jr., and the boss is Bowser himself. It is very similar to Bowser's Warped Orbit, as both boards are owned by Bowser and are in space.
The board is a linear board like the ones featured in past Mario Party games. There are two methods to earning Mini Stars on this board: by running into them, or by earning them from the Jackpot Machine. The machine's Mini Star total increases whenever the player lands on Jackpot+ Spaces, a space that is exclusive to this board. When landed upon, the Jackpot Machine's total Mini Star count will increase by an amount equal to the number imprinted on the space. Once the number on the machine reaches at least twenty, the players will play a minigame to determine who earns all the stars. Players may also earn them by landing on a Jackpot Space, which automatically gives the captain who lands on the space all the Mini Stars in the Jackpot Machine. By default, the machine will have six Mini Stars, and will suck up one more than that when all the Mini Stars are removed from it.
The mid-boss for this stage is Bowser Jr., who is faced in the minigame Bowser Jr. Breakdown. After this, Bowser will appear on the stage with his Koopa Clown Car and challenge the player himself, creating a Boss Battle Space and Bowser Gate at the beginning of the stage.
There are three Captain Events on Bowser Station: Heart Star Colony, Bingo Colony, and Speed Star Colony. Occasionally, Bowser or Bowser Jr. will interfere with the events, adding a new aspect or hindering players.
Also, on the "Almost There!" event, Bowser will forcefully turn several spaces into Bowser Spaces, instead of asking the captain if he or she wants "a WHOLE BUNCH of presents". Four of these spaces appear in the last six spaces of the board, along with a Jackpot Space and a Back Space right before the Bowser Gate; this combination almost guarantees that the players will have at least one meeting with Bowser on their way to the end of the board.
After the Bowser Gate is reached, the players face Bowser in the game Bowser's Block Battle. Once he is defeated, the players will have earned the Mini Stars back, and they will be set free.
The characters ride a space ship on this board. The vehicle available as soon as the board is unlocked is the Space Scuttle. The Shiny Saucer and Starship Bowser can be purchased at the Museum for 200 Party Points each.
 Heart Star Colony
In this Captain Event, all players-except for the captain- roll one Dice Block with red, green, and blue hearts on them. The captain then rolls the same Dice Block three times; if any of his or her results match another player's, both the captain and that player receive two Mini Stars. If there are less than 4 players, Mechakoopas will fill the open spaces, ensuring that there will always be three players for the captain to match.
Sometimes, Bowser Jr. arrives after the captain rolls, forcing everyone to roll their Dice Blocks again. Afterwards, he would roll his own Dice Block and give two Mini Ztars to anyone whose colour matches his result.
 Bingo Colony
In this Captain Event players roll Dice Blocks numbered 1-10 in an order determined by the captain, and the resulting number will be lit up on the bingo board. Once one of the players obtains three lit up spaces in any direction, he or she will receive three Mini Stars times the number of spaces in the bingo.
Sometimes Bowser shows up and changes the event into Dark Bingo Colony. He replaces the Mini Stars on the board with Mini Ztars, meaning that the player who completes the bingo loses Mini Stars equal to three times the number of bingo spaces instead of winning them.
In addition, the board consists of only the numbers 1 through 9, which means rolling a 10 will not affect the board.
 Speed Star Colony
In this Captain Event the captain assigns each player a track, and they race to reach the goal first. The tracks vary in length, although the longer ones have Dash Spaces and Mini Stars along the way. Players roll Dice Blocks and move simultaneously. The event ends when a player reaches the end of the track and obtains the 10 Mini Stars waiting there. As the players move simultaneously, it is possible for more than one to win the race, in which case they all receive the Mini Star prize.
 Bowser Jr. Boss Battle
Players fight Bowser Jr. on a space station in Bowser Jr. Breakdown. Players roll Dice Blocks to try and get the gauge to reach a multiple of three. The player who does so will attack, and the meter will restart.
 Bowser Boss Battle
Bowser is fought on a platform out in space in Bowser's Block Battle. He is giant during this battle, and players try to damage him by tossing the Dice Blocks he throws onto the arena to make them land on their faces.
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