CODE  KEY IN . . .                        EFFECT . . .
1     GZOVLLVG                            Infinite lives
2     PEKVIZYA + SXOOUKVK                 Infinite energy
3     AAETAGZA                            Start with 1 life
4     IAETAGZA                            Start with 6 lives
5     AAETAGZE                            Start with 9 lives
6     PAEVZGAA + UYEVGKPU + AAEVAGGA      Start on level 2
7     ZAEVZGAA + UYEVGKPU + AAEVAGGA      Start on level 3
8     LAEVZGAA + UYEVGKPU + AAEVAGGA      Start on level 4
9     GAEVZGAA + UYEVGKPU + AAEVAGGA      Start on level 5
10    IAEVZGAA + UYEVGKPU + AAEVAGGA      Start on level 6
11    TAEVZGAA + UYEVGKPU + AAEVAGGA      Start on level 7
12    YAEVZGAA + UYEVGKPU + AAEVAGGA      Start on level 8