The following are known Game Genie Codes for Tom & Jerry: The Ultimate Game of Cat and Mouse! on Nintendo Entertainment System (NES).

• Start With 1 Life
  PASNVZLA
• Start With 6 Lives
  TASNVZLA
• Start With 9 Lives
  PASNVZLE
• Infinite Lives
  SXSNYEVK
• Infinite Energy
  AEXYPAPA
• Minimum Energy (One Touch Kills!)
  LEXYPAPA
• Start On World 2
  AEVYKPAE
• Start On World 3
  AOVYKPAA
• Start On World 4
  AOVYKPAE
• Start On World 5
  AXVYKPAA