Mario Party 4 Cheats

How to Taunt:
While playing the game push L to hear your character's taunt. You can  do this  on game boards, but not in mini-games.

Bowser's Gnarly Party Board:
If you win all five boards in story mode and collect all presents for one character,  Bowser will challenge you on his board. If you beat him and his mini-game,  you can now select the Bowser's Gnarly Party in Party Mode by highlighting Koopa and pushing Right.
 

Extra Room mini-games:
After finishing the game in single player mode with any character you will unlock the Goomba Stomp, Beach Volleyball, and Panel Panic mini-games in the Extra Room.
 

Free mode in Beach Volleyball:
Finish battle mode in Beach Volleyball. The game will confirm that you now have access to free mode.
 

Unlock Expert difficulty:
Finish story mode under easy, medium, and hard difficulty.

Birthday Cake:
Win Beach Volley Folley in tournament mode.

Boo Plate:
Dive for 7 or more seconds in the Take A Breather mini-game.

Boo's Photo Stand:
Finish the Mario Speedwagons mini-game in ten seconds or less.

Bowser Lamp:
Beat Bowser in Story mode as Yoshi.

Bowser Object:
Beat Bowser in story mode as Donkey Kong.

Bowser Picture:
Beat Bowser in Story mode as Peach.

Bowser Plate:
Complete the Mario Medley mini-game with a time of 1:00 or less.

Bowser Television:
Beat Bowser in story mode as Luigi.

Bowser Vase:
Beat Bowser in story mode as Mario.

Bowser's Teapot:
Beat Bowser in story mode as Daisy.

Daisy Doll:
Beat Koopa in story mode as Daisy.

Daisy's Bed:
Beat Toad in story mode as Daisy.

Daisy's Flowers:
Beat Goomba in story mode as Daisy.

Daisy's Nightstand:
Beat Boo in story mode as Daisy.

Daisy's Table:
Beat Shy Guy in story mode as Daisy.

Donkey Kong Doll:
Beat Koopa in story mode as Donkey Kong.

Donkey Kong's Barrel:
Beat Toad in story mode as Donkey Kong.

Donkey Kong's Box:
Beat Boo in story mode as Donkey Kong.

Donkey Kong's Stand:
Beat Shy Guy in story mode as Donkey Kong to unlcok .

Donkey Kong's Tree:
Beat Goomba in story mode as Donkey Kong.

Goomba Clock:
Knock over 100 or more dominos in the Domination mini-game.

Goomba Plate:
Finish 15 or more pages in the Bookworm mini-game.

Koopa Plate:
Finish the Right Oar Left mini-game with a time of 0:45 or less.

Luigi Doll:
Beat Koopa in story mode as Luigi.

Luigi's Airbike:
Beat Goomba in story mode as Luigi.

Luigi's Chair:
Beat Boo in story mode as Luigi.

Luigi's Dumbbell:
Beat Shy Guy in story mode as Luigi.

Luigi's Table:
Beat Toad in story mode as Luigi.

Mario Doll:
Beat Koopa in story mode as Mario.

Mario's Refrigerator:
Beat Boo in story mode as Mario.

Mario's Sofa:
Beat Toad in story mode as Mario.

Mario's Table:
Beat Shy Guy in story mode as Mario.

Mario's Television:
Beat Goomba in story mode as Mario.

Peach Doll:
Beat Koopa in Story mode as Peach.

Peach's Chair:
Beat Toad in story mode as Peach.

Peach's Clock:
Beat Shy Guy in Story mode as Peach.

Peach's Table:
Beat Goomba in Story mode as Peach.

Peach's Treasure Chest:
Beat Boo in Story mode as Peach.

Shy Guy Plate:
Finish the Dungeon Duos mini-game with a time of 1:30 or less.

Toad Plate:
Solve a 40 piece puzzle in Jigsaw Jitters with a time of 3:00 or less.

Toad Teapot:
Solve a 30 piece puzzle in Jigsaw Jitters with a time of 2:00 or less.

Toad's Cup:
Solve a 20 piece puzzle in Jigsaw Jitters with a time of 1:00 or less.

Waluigi Doll:
Beat Koopa Troopa in story mode as Waluigi.

Waluigi's Calendar:
Beat Toad in story mode as Waluigi.

Waluigi's Chair:
Beat Boo in story mode as Waluigi.

Yoshi Doll:
Beat Koopa in Story mode as Yoshi.

Yoshi's Computer:
Beat Goomba in Story mode as Yoshi.

Yoshi's Egg:
Beat Toad in Story mode as Yoshi.

Yoshi's Shoes:
Beat Boo in Story mode as Yoshi.

Yoshi's Table:
Beat Shy Guy in Story mode as Yoshi.