Bonus Lives Start a two player game and press A + B at the exact moment that player two loses his last life.
CheatCodes NOTE: This cheat needs to be done with a GameGenie.
1. SZPTSI--------Both Players Have infinite lives
2. PAPKXZ--------Both Players Start with 1 life
3. PAPKXX--------Both players start with 9 lives
4. GXZTSG--------Keep weapons after death.
