Baldur's Gate: Dark Alliance Cheats (GameCube)

Beat the game on any difficulty setting.

During gameplay, simultaneously press and hold L, R, Y, left.  Then, while still holding
down these buttons, press start.

Beat the Gauntlet.

Start a new game.  On the character selection screen, hold down L and R until the game
starts.  Alternatively, beat the game on Extreme difficulty setting.

During gameplay, simultaneously press and hold L, R, Y, and right.