Win 100 coins
First you have to go to the bowser space. After that you need two land on a red square. the next time you get a 10 land on a blue square and win the game 100 coins will be rewarded to you!

Bowser Land:
To get Bowser Land, you must complete every other board with any character and have a superstar on each.

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 arena modes. Also, purchase all the mini-games from Woody to get the mini-game coaster.

Mini-game coaster mode:
To get the mini-game coaster, just purchase all of the mini games. This mode allows you to play all of the mini-games in an adventure. All together, there are nine worlds.

Purchase item mini-games and battle mini games:
Successfully complete the mini-game coaster under the normal difficulty setting to get the ability to purchase item and battle mini-games. Complete it under the hard difficulty setting for battle games.

Credits machine:
To get the credits machine, successfully complete the game on every course, including Bowser Land, then visit the options laboratory.

Shock, Drop, or Roll:
On the 1 vs. 3 game, Shock, Drop Or Roll, have the player that is the switch person press Forward and then Back to make the other players fall off. Note: This trick works best with Donkey Kong and Yoshi.

Taunt other players:
Press L to do your character's taunt when it is someone else's turn.

More mini-games:
To get the Rainbow Run, Dungeon Dash, and Driver's Ed mini-games, you must complete the following tasks:

Dungeon Dash
Buy every 1 vs. 3, 2 vs. 2 and 4 vs. 4 mini-game and go to the mini-game park to get it from the piranha plant chasing the butterfly. Note: This is basically the same thing as Desert Dash from the first Mario Party.

Driver's Ed
Complete the mini-game Coaster under the hard difficulty setting. Go to Woody and buy every mini-game in the game. He will then present with Driver's Ed. Go to Woody to play it at anytime Note: This game is basically a driver's test. This cannot be played during a board game.

Play as Bowser:
To play as Bowser, on the main menu screen, press UP on the D-pad, C-Down, C-Up, then DOWN on the D-Pad. Then the screen should shake and you will play as Bowser.

Goomba's House:
In every level there is a house that looks like a Goomba. This house is not in the mini-game stadium.

CPU assistance:
Pause game play before player one starts the first turn on any game. Select "Settings" and set all the players to "CPU" under the hard difficulty setting. Resume the game and wait until the coins and stars are adding up at the end. The game will add up all the coins and stars from every player, regardless if they are CPU or human controlled. Note: This may also be done in the mini-game stadium by setting all handicaps to 50.

20-Coin Bonus:
Obtain a Golden mushroom, and roll the same three numbers. Toad will appear and say that you are lucky, and you will be 20 coins richer. Note: There is no way to execute this on purpose, as choosing which numbers you roll is completely up to chance

Alternate way to Dungeon Dash mini-game:
Another way to get dungeon dash, is buy all of the 4 player mini games from Woody, and the Pihranna plant will give you the game.