The following are known Game Genie Codes for Monster in My Pocket on Nintendo Entertainment System (NES).

• Fast Flying Rocks
  IVLXOA
• Weird Jumping
  IATPAI
• Infinite Lives (Only For Player 1)
  SAZEGS
• Virtually Invincible
  AAAETV
• Get Lives Faster
  TAZEGS
• Infinite Lives [BOTH Players!]
  VTSAASVS
  Note: For some reason, makes player 1’s lives count up when lost. Player 2’s don’t change.