AAXTIUNY Infinite energy
AXVAIAAG Start with less energy
EEVAIAAG Start with more energy
PAKVELAA Start on area 1
LAKVELAA Start on area 3
IAKVELAA Start on area 5
YAKVELAA Start on area 7
PAKVELAE Start on area 9
OVOAKLSV + PEOASLAP Use up minimum shots
To finish the game using the last code, save your position in the game before
opening the entrance to corridor 6. Restart the game with no codes
(turn the power off and back on) and go through the enterance. Then save
the game again. Then restart the game using the codes again.
GXOAKLST Never use up shots