The following are known Game Genie Codes for Tom and Jerry: Frantic Antics on Nintendo Game Boy.

• 019-0CC-E66
  Start with 1 life
• 059-0CC-E66
  Start with 5 lives
• 0A9-0CC-E66
  Start with 10 lives
• 01E-39E-A25
  Infinite lives
• 00C-E4B-3BE
  Infinite lives
• 010-DEC-F7E
  Start with 1 minute on the timer
• 0A0-DEC-F7E
  Start with 10 minutes on the timer
• 0F0-DEC-F7E
  Start with 15 minutes on the timer (Ignore the timer)
• 001-43C-E6E + 001-51C-E6E
  Infinite time
• 013-338-08B
  You will not flash after getting hit
• FA3-338-08B
  You will flash longer after getting hit