Screen centering:
Hold L + R + Z and move the Analog-Stick and D-pad in the same direction.

Alternate costumes:
Highlight a character and press L, R, C-Up, C-Down, C-Left, or C-Right at the character selection screen to select from five additional colors.

Unlock Pojo!:
Perform Taria's execution in one or two player mode. Start another match, highlight Taria, and hold Start on the character selection screen. Pojo! will appear as a selectable character. Continue holding Start and press Quick to select Pojo! as your character.

Unlock Grendal:
Accumulate three wins in two player mode. Start another match, highlight the Executioner, and hold Start at the character selection screen. Grendal will appear as a selectable character. Continue holding Start and press Quick to select Grendal as your character.

Unlock Gar Gunderson (War Mech) or Ichiro:
Press Right, Up, Left, Down, Right, Up, Left, Down at the first screen to appear when the Nintendo 64 is powered on. A sound will confirm correct code entry. Ichiro and Gar Gunderson will appear above the Executioner on the character selection screen.