PAVAYYLA Start with 2 lives and 2 credits
IAVAYYLA Start with 6 lives and 6 credits
YAVAYYLA Start with 8 lives and 8 credits
PAVAYYLE Start with 10 lives and 10 credits
OLVYAZOP Infinite lives
SZENNEVK Infinite credits
ASVTOZAZ Laser bolts worth more on pick up
SXNNVEVK Infinite laser bolts
AAUY-PYGA Infinite energy
AXUVSZIA Cold breath worth more on pick up
AAKYKPPA Infinite cold breaths
ZAUZAYAA Start in chapter 1 level 2
IAUZAYAA Start in chapter 1 level 3
Don't combine the last two codes
OAKNUEEE Don't lose laser bolts when you die
EAKNVEOE Don't lose cold breaths when you die