Note: This game is also titled Kirby's Adventure Wii and Hoshi No Kirby Wii.

Successfully complete the game to unlock Arena mode, Extra mode, and the "Sound Test" option.

Successfully complete Extra mode to unlock the True arena.

Successfully complete Arena mode to play as any character in Arena mode.

Successfully complete True Arena mode to play as any character in True Arena mode.

Successfully complete both arenas, and get a %100 completion in the main game and Extra mode to unlock the Kirby Master video.

Collect the indicated number of Energy Spheres to unlock the corresponding mini-game aboard the Lor Starcutter (down the ladder after the main lobby):

Ninja Dojo: 15 Energy Spheres
Scope Shot: 30 Energy Spheres

Collect the indicated number of Energy Spheres to unlock the corresponding Copy Ability Room:

Copy Ability Room 1: 20 Energy Spheres
Copy Ability Room 2: 40 Energy Spheres
Copy Ability Room 3: 60 Energy Spheres
Copy Ability Room 4: 80 Energy Spheres

Land on the seventh, sixth, fifth, fourth, third, second, and first floors in that order in the bonus jump game. At the end of each level, the jump to the first floor at the end will result in 30 lives instead of 30 stars.

Go to the end of the first part of the level. Walk to the dead end, and move all the way to the left to find a gap. Go into the bush with a black area to find the HAL room.

Start the level, then float above the doorway to find something that resembles a window with three bars. Press Up to enter it to play a more difficult version of the level.

Enter the third room, and go all the way to the end. Fly up to the conveyor belts, then enter the black area at the top of the conveyor belt. You will enter a cannon room, and it will shoot you to the HAL blocks.