The following are known Action Replay Codes for Lester the Unlikely on Super Nintendo (SNES).

These codes are for the U.S. version of the game.

• Infinite Health
  7E859B03
• Infinite Lives
  7E859903
• Infinite Lives
  CEAC85AD

Note: For the next three Gravity Codes to work you will need to turn off the effects switch right after you press start to begin. Don’t turn it back on until the first gameplay screen.

• Light Gravity Effect
  CEA5C115
• Lighter Gravity Effect
  CEA5C125
• Even Lighter Gravity Effect
  CEA5C140
• Do Not Take Damage from Most Enemies
  CEA6D3AD
• Flashing After Getting Hit, Lasts a Long Time
  CEA6DA04
• Flashing After Getting Hit, Lasts a Really Long Time
  CEA6DA0C