GXLILL          Both players have infinite lives 
GZPGSL          Infinite time (stops timer) 
PAGKGL          Both players start with 1 life
APGKGL          Both players start with 10 lives 
TEYIGL          Increase extra time 
VTSKPLSA        Player 2 has only 1 life 
IEVISZZA        Shoot more rays
AOVSOZAZ        Shoot shorter rays
ASVSOZAZ        Shoot longer rays
AASIAYGA        Enemy can go thru gold bars