The following are known Game Genie Codes for The Legend of Kage on Nintendo Entertainment System (NES).

• Both Players Have Infinite Lives
  SXVALZVG
• Both Players Start With 28 Lives
  KEOATAVA
• Super-Ninja-Power Running Ability
  GASAOLZA
• Super-Ninja-Power Jumping Ability
  YAKXYPGE
  YASZAPGE
  YASZPPGE
• Untouchable
  SZNPVLSA
• Both Players Have Infinite Lives
  SXVALZVG
• Both Players Start With 28 Lives
  KEOATAVA
• Super-Ninja-Power Running Ability
  GASAOLZA
• Super-Ninja-Power Jumping Ability
  YAKXYPGE
  YASZAPGE
  YASZPPGE