The following are known Game Genie Codes for Last Action Hero on SEGA Game Gear.

• Start On Scene 3
  031 20F E6E
• Start On Scene 5
  051 20F E6E
• Start On Scene 7
  071 20F E6E
• Start With 1 Life
  011 25F E66
• Start With 5 Lives
  051 25F E66
• Start With 9 Lives
  091 25F E66
• Start With 1 Heart
  011 2AF F76
• Start With 5 Heart
  051 2AF F76
• Start With 9 Heart
  091 2AF F76
• Collect 1 Token to Get Fire Extinguisher
  AFE 9CF 19E
• Infinite Timer
  3A1 B1F 2A2