The following are known Game Genie Codes for Final Fantasy Legend on Nintendo Game Boy.

Note: The codes are for the Human Male only.
• 011-238-C4A
  Start with 1 strength point
• 051-238-C4A
  Start with 5 strength points
• 021-248-E6E
  Start with 2 defense points
• 061-248-E6E
  Start with 6 defense points
• 031-258-F7A
  Start with 3 agility points
• 071-258-F7A
  Start with 7 agility points
• 041-268-E6A
  Start with 4 mana points
• 081-268-E6A
  Start with 8 mana points
• 012-588-19A
  Start with 1 hit point
• 052-588-19A
  Start with 5 hit points