Here are some cheats and tips for the game The Adventures of Bayou Billy.
GZOVLLVG Infinite lives
AAETAGZA Start with 1 life
IAETAGZA Start with 6 lives
AAETAGZE Start with 9 lives
PEKVIZYA + SXOOUKVK Infinite energy
PAEVZGAA + UYEVGKPU + AAEVAGGA Start on level 2
ZAEVZGAA + UYEVGKPU + AAEVAGGA Start on level 3
LAEVZGAA + UYEVGKPU + AAEVAGGA Start on level 4
GAEVZGAA + UYEVGKPU + AAEVAGGA Start on level 5
IAEVZGAA + UYEVGKPU + AAEVAGGA Start on level 6
TAEVZGAA + UYEVGKPU + AAEVAGGA Start on level 7
YAEVZGAA + UYEVGKPU + AAEVAGGA Start on level 8