The following are known Game Genie Codes for Illusion of Gaia on Super Nintendo Entertainment System (SNES).

• Infinite Energy
  C2A5-44A2
• Less Charge Time For Psycho Dash
  D98F-4F0C
• Less Charge Time For Dark Friar
  D98B-4DDC
• Start With A Lot More Energy
  F061-44DD
• Start With 20 Strength Points
  F065-4D0D
• Start With 50 Strength Points
  7465-4D0D
• Start With 80 Strength Points
  9D65-4D0D
• Super Run-Left/Right Only
  D9AA-1F0B
  E8A5-14AB
• Super Run-Up/Down Only
  EAA7-1D6B
  D0A3-446B
• Get 2X The Energy From Herbs
  FD6B-47A3
• Get 3X The Energy From Herbs
  F66B-47A3
• Backwards Text
  1069-44DD
• Will Starts With 40 Max And Present HP
  1061-440D
  Note: This may only work when starting a new game.
• Will Starts With 99 Strength
  1765-4D0D
• No Wait Time To Charge Up For Psycho Dash
  DD8F-4F0C
• Will Starts With 55 Strength
  EE65-4D0D
• Will Starts With All The Max HP You Can Get
  EE61-440D
• Start With ?? Defense
  ??65-4FAD
  Note: If this number goes over 100, only the first two numbers are shown, but it is the number you set it to.
• View Will’s “Cond.” to Max Out His Stats
  CB36-4FAE
  1036-44DE
  BB36-446E
  DD36-44AE
  Note: This also sets your lives to 1. The reason it can’t go higher is that it also affects strength, and too much strength makes you kill switches instead of hitting them.
• Red Jewel 03 Check Passes
  DDA3-CD37
• Red Jewel 05 Check Passes
  DDAE-CF47
• Red Jewel 08 Check Passes
  DDAD-3F17
• Red Jewel 12 Check Passes
  DDAF-3FC7
• Red Jewel 20 Check Passes
  DDA4-3F37
• Red Jewel 30 Check Passes
  DDA7-3447
• Red Jewel 50 Check Passes
  DDA0-3D37
• Walk Through Walls
  CE3D-3D06
  B83D-3FD6
• Enter Seaside Cave To View Ending
  3966-47D9