The following are known Game Genie Codes for Young Merlin on Super Nintendo (SNES).

• Faster Merlin
  D9B7-14F9
• Slower Mine Cart
  D46B-1030
• Start With 6 Heart Containers (New Game Only)
  D186-C1D1
• Start With 8 Heart Containers (New Game Only)
  D686-C1D1
• 2 Energy Hearts From Rainbow Water Bottle
  D4C0-CD6F
• 3 Energy Hearts From Rainbow Water Bottle
  D7C0-CD6F
• Infinite Energy
  CE3E-3DAF
• 1 Trefoliate To Become Invincible
  DF8C-30E4
• Start With 16 Hearts
  FD86-C1D1
• Start With 16 Full Hearts
  FD8B-C001
• Respawn With Full Energy Instead of Half
  3C6A-1DB1
• All Types of Water Refill Full Energy
  DD34-4464