The following are known Game Genie Codes for Lester the Unlikely on Super Nintendo Entertainment System (SNES).

• Infinite Lives
  C2C6-7F58
• Don’t Take Damage From Most Enemies
  C2C2-8DEB
• Flashing After Getting Hit, Lasts A Long Time
  D0C2-848B
• Flashing After Getting Hit, Lasts A Real Long Time
  DAC2-848B

Note: For the remaining codes you may get trapped and have to reset.

• Lighter Gravity Effect (Must Turn Off Effects Switch Right After Pressing Start And Don’t Turn On Until 1st Game Play Screen)
  0DCA-5D5B
• Even Lighter Gravity Effect
  49CA-5D5B
• Amazingly Lighter Gravity Effect
  F9CA-5D5B