Bowser Land
Complete all five regular boards with any character and have a superstar on each.

Curse
On Speed Hockey press A-Z repeatedly. This should curse the shell and make it move faster.

Taunt
When it is someone else's turn, press L to taunt the other player(s).

Credits Machine
Successfully complete the game on every board, including Bowser Land, then visit the options laboratory to get the credits machine.

Driver's Ed Mini-game
Successfully complete the mini-game coaster on the hard difficulty setting. Then, purchase all the battle mini-games and go to the mini-game park to receive the Driver's Ed mini-game. Go to Woody to play it at anytime. Note: This game is basically like Mario Kart 64. This mini-game cannot be played during a board game.

Rainbow Run Mini-game
Successfully complete the mini-game coaster on the normal difficulty setting. Then, purchase all the item mini-games and go to the mini-game park to receive the Rainbow Run mini-game. Note: This is basically the same as Tightrope Treachery from the first Mario Party.

Dungeon Dash Mini-game
Successfully complete the mini-game coaster on the normal difficulty setting. Then, go to the mini-game park to get the Dungeon Dash mini-game from the piranha plant chasing the butterfly. Note: This is basically the same game as Desert Dash from the first Mario Party.

Purchase Battle Mini-games
Successfully complete the mini-game coaster on the hard difficulty setting to get the ability to purchase battle mini-games.

Purchase Item Mini-games
Successfully complete the mini-game coaster on the normal difficulty setting to get the ability to purchase item mini-games.

Mini-game Coaster Mode
Purchase all the mini-games (1 vs. 3, 2 vs. 2, and 4 vs. 4) from Woody to get the mini-game coaster. This mode allows you to play all of the mini-games in an adventure. All together, there are nine worlds.

Mini-game Land Extras
Purchase half the mini-games from Woody in mini-game land to receive the mini-game arena. Beat Bowser land for more modes.