The Legend of Zelda: Four Swords Adventures Cheats

Complete the second stage of each level in multi-player mode to unlock the corresponding mini games.

Hold L+R as you put on the gamecube.pick hyrulean adventure[still holding L+R]release L+R and hold X+Y and pick a stage. At the title screen press:B, B, L, B,C-stick left, c-stick right, d-pad left,right,down,up and then press A.the screen will turn black. you'll be transported to the last level ,but there will be a new stage. pick it and you'll battle four ganons. they could change to the formaions you can.your weapon will be the bow which will change to the light arrows in this stage.you'll have seven hearts and one force fairy.

Defeating Giant Warriors:
If you have a Roc's Feather jump over the Giant Warriors when you are
battling them and press B for an instant kill.
Shadow Battle Bonus Arenas:
To unlock the last five Shadow Battle Arenas successfully complete the
Hyrulean Adventure.
Boomerang:
Obtain out of reach Force Gems and other items by using the Boomerang.

When you are battling the giant warriors, if you have a Roc's Feather jump over them and press B for an instant kill.

When you reach the second to last room in the Cave Of No Return, you
will come to what seems like an empty room but as you enter the room a
little farther into the room Shadow Link will make his presence known.
He will throw bombs at you. Use your bow to either shoot one of the
bombs that is near him or just shoot him. The arrow will stun him for a
few seconds. As soon as you hit him (you will see stars swirling around
his head), attack him with your sword. Keep repeating this process of
shoot then attack. Eventually he will take off his tunic and his tunic
will change colors of one of the four Links.( Which ever color he
chooses either Blue Purple Red or Green, you must use that Link to
finist by pressing the X button him off with the same process mentioned
above shoot then attack wile the other three Links sit back and watch.
After that it doesn't take much for him to fall