Code.    Key in...                                          Effect.

1.            SXSPYZVG                                    Infinite lives.
2.            PASATLLA                                     Start with 1 life.
3.            TASATLLA                                     Start with double lives.
4.            PASATLLE                                      Start with triple lives.
5.            NYKAYLLE                                     Start with all weapons available.
6.            GZNAILSA                                      Keep power up after death.
7.            GZNAYLSA                                    Keep energy after death.
8.            GAEOUEAA                                    Thunder uses 25% normal energy.
9.            TEXLPTZA                                       Triple energy gained on “E” pick-up.
10.          ZEULGTGA                                      Less energy lost on “Bad E” pick-ups.
11.          SZEGGASA                                     Shield doesn’t use energy.
12.          IZNAEGSA                                       You can reuse weapon after selecting.