SXSPYZVG - Infinite lives
PASATLLA - Start with 1 life
TASATLLA - Start with double lives
PASATLLE - Start with triple lives
NYKAYLLE - Start with all weapons available
GZNAILSA - Keep power up after death
GZNAYLSA - Keep energy after death
GAEOUEAA - Thunder uses 25% normal energy
TEXLPTZA - Triple energy gained on 'E' pick-up
ZEULGTGA - Less energy lost on 'Bad E' pick-ups
SZEGGASA - Shield doesn't use energy
IZNAEGSA - You can re-use weapon after selecting