The following are known Game Genie Codes for Demon’s Crest on Super Nintendo (SNES).

• First Enemy Takes Longer to Kill
  DB67-C703
• First Enemy Take Less Time to Kill
  D467-C703
• More Flash Time
  EE3A-1DAF
• Invincible After Hit
  C92A-44A7
• 1 Hit and You Die
  6927-CDA7
• Super Jump
  D635-1F0D
• Ginseng Costs Nothing (Still Says 140 G.P. Though)
  DD38-CFD9
• Walk Through Most Solid Objects (May Have To Turn Off GG To Proceed Through Some Parts)
  DFB3-4F6F
  DFB3-4FAF
• When You Fight The 1st Boss The 1st Time, It’s Already Defeated
  EE6A-1DD2
• When You Defeat An Enemy, Coins And Health Appear Like A Fountain Till You Leave The Screen
  C9A3-340B
• Enemies Drop The 25 Coin And Heart Containers, Don’t Collect The Heart Containers
  C9A5-340B
• Enemies Always Drop The 20 Coin
  C9A5-370B
• 20 Coin Worth 999 Coins
  C9A2-17DC
• 5 Coin Worth 165 Coins
  C9A2-1DDC
• 1 Coin Worth 999 Coins
  C9A2-170C
• Large Health Refills All Your Health
  C9AC-176C
• As Regular Gargoyle Hover, Then You Can Hold The A Button To Fly Like Aerial Gargoyle
  C9E2-1DAD
• Fly a Lot Faster When You Hover
  C938-C7DD
• Rapid Fire
  C939-37D7
• Jump a Lot Higher
  C937-37D7
• Character is in The “Jump” Animation Permanently
  D0FD-F256
• You Cannot Fly
  D4FD-F256
• Infinite Life
  D0F1-FA86
• Infinite Money (GP)
  DEF1-FAE6
  45F1-F276
• Character’s Image is Jumbled Up
  9AFF-F276
• Always Fly
  D1FD-F256
• Start New Game With All Items
  A363-44F4
  A363-4424
  A363-47B4