Hold Select + Left and press A at the title screen.
Hold A + B on controller two and press Start on controller one at the title screen to allow both players to select the same character in battle mode.
Hold Select + Right and press A at the title screen. Select story mode to advance to the end battle.
Press Right to highlight the choice not to use a custom fighter at the character selection screen in battle mode. Hold Select and press A. Continue to hold Select, press Right, then press A.
Press Right to highlight the choice not to use a custom fighter at the character selection screen in battle mode. Hold Select and press A. Continue to hold Select, press Left, then press A.