The following are known Game Genie Codes for Big Nose The Caveman on Nintendo Entertainment System (NES).

• 1 Life
  PEUYITLA
  TEUAITLA
• 6 Lives
  TEUAITLA
• 9 Lives
  PEUYITLE
• Start With 10 Lives
  ZEUYITLE
• Infinite Lives
  SXOTPAVG
• Slower Timer
  ANENAKLL
• Faster Timer
  AXENAKLL
• Never Lose Bones When Buying
  AEEYYZPA
• Start On Monster Island
  XXXYITSZ
  VEKYAVSE
  AOUGTAE
• Start On Terror Island
  XXXYITSZ
  VEKYAVSE
  ZOUGTAE
• Freeze Timer
  SUXYZGVI
• 5 Times Bonus Income
  IEEZALPA