Taunt:-  Press L during game play to hear your character's taunt. You can only do this while on game board, but not in mini-games.

Bowser's Gnarly Party Board:-  Win all five boards in story mode and collect all presents for one character. Bowser will challenge you on his board. Beat him and his mini-game. You can now choose Bowser's Gnarly Party in Party Mode by highlighting Koopa and pressing Right.

Special Bowser mini-game:-  Besides Fruits of Doom, Darts of Doom, and Panels of Doom, there is also a Bowser Wrestling mini-game. Go to the Bowser's Gnarly Party Board, use a Mega Mushroom, then make an attempt to walk by Bowser (not Bowser Spaces). You will not find him on the board in any one except Bowser's Gnarly Party. The only other way to play this mini-game is to go to mini-game mode (after you have unlocked Bowser Wrestling), and look under "Etc.".

Extra Room mini-games:-  Successfully complete the game in single player mode with any character to unlock the Goomba Stomp, Beach Volleyball, and Panel Panic mini-games in the Extra Room.

Extra story mode mini-games:

Win against Goomba in story mode to unlock Goomba's Chip Flip.
Win against Shy Guy in story mode to unlock Archeologuess.
Win against Toad in story mode to unlock Bowser Bop.
Win against Boo in story mode to unlock Mystic Match 'Em.
Win against Koopa in Story Mode to unlock Kareening Koopas.
Win against Bowser in Story Mode to unlock The Final Battle.

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

Expert difficulty setting:  Successfully complete story mode (the five levels and Bowser) with one character under the hard difficulty setting.

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:  Defeat Bowser in Story mode as Yoshi.

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

Bowser Picture:  Defeat Bowser in Story mode as Peach.

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

Bowser Television:  Defeat Bowser in story mode as Luigi.

Bowser Vase:  Defeat Bowser in story mode as Mario.

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

Daisy Doll:  Defeat Koopa in story mode as Daisy.

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

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

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

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

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

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

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

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

Donkey Kong's Tree:  Defeat 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:  Defeat Koopa in story mode as Luigi.

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

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

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

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

Mario Doll:  Defeat Koopa in story mode as Mario.

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

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

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

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

Peach Doll:  Defeat Koopa in Story mode as Peach.

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

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

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

Peach's Treasure Chest:  Defeat 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:  Defeat Koopa Troopa in story mode as Waluigi.

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

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

Yoshi Doll:  Defeat Koopa in Story mode as Yoshi.

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

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

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

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