OZVKGZVK - Infinite time

OXVPPAVK - Infinite energy--except when you fall on spikes

GASYZGZA - Start with 4 hearts

PAOZNIZA - Start with 2 lives

IAOZNIZA - Start with 5 lives

SAOSAGVG - Infinite lives

TASYZGZA - Start with 6 hearts

ZASYZGZE - Start with 10 hearts

ZAOZNIZE - Start with 10 lives

YAOZNIZE - Start with 15 lives

AIVYGGLT + AIVKXYLT - Start with 80 on timer (1st level only)

TGVYGGLT + TGVKXYLT - Start with 70 on timer (1st level only)