The following are known GameShark Codes for MediEvil on Sony Playstation (PS1).

• Infinite Lives
  D00F8178 0000
  800F8178 012C
• Start With Chalice At 100%
  800EE97C 0064
• Press L2+R2 Health Restore
  D00F192C 0A00
  800F8174 012C
• Press L2+R2 Infinite Cash
  D00F192C 0A00
  800F828C 2710
• Press Select-Small Sword
  D00F192C 1000
  800F81F4 0000
• Press Select-Broad Sword
  D00F192C 1000
  800F81F8 1000
• Press Select-Magic Sword
  D00F192C 1000
  800F81FC 0000
• Press Select-Club
  D00F192C 1000
  800F8200 1000
• Press Select-Hammer
  D00F192C 1000
  800F8204 0000
• Press Select-Throwing Dagger
  D00F192C 1000
  800F8208 1000
• Press Select-Axe
  D00F192C 1000
  800F820C 0000
• Press Select-Chicken Drumstick
  D00F192C 1000
  800F8210 1000
• Press Select-Crossbow
  D00F192C 1000
  800F8214 1000
• Press Select-Long Bow
  D00F192C 1000
  800F8218 1000
• Press Select-Flaming Bow
  D00F192C 1000
  800F821C 1000
• Press Select-Magic Bow
  D00F192C 1000
  800F8220 1000
• Press Select-Spear
  D00F192C 1000
  800F8224 1000
• Press Select-Lightning
  D00F192C 1000
  800F8228 1000
• Press Select-Good Lightning
  D00F192C 1000
  800F822C 0000
• Press Select-Chaos Rune
  D00F192C 1000
  800F8230 0001
• Press Select-Earth Rune
  D00F192C 1000
  800F8234 0001
• Press Select-Moon Rune
  D00F192C 1000
  800F8238 0001
• Press Select-Star Rune
  D00F192C 1000
  800F823C 0001
• Press Select-Time Rune
  D00F192C 1000
  800F8240 0001
• Press Select-Skull Key
  D00F192C 1000
  800F8248 0001
• Press Select-Shadow Artifact
  D00F192C 1000
  800F825C 0001
• Press Select-Witch Talisman
  D00F192C 1000
  800F8264 0001
• Press Select-Copper Shield
  D00F192C 1000
  800F827C 0096
• Press Select-Silver Shield
  D00F192C 1000
  800F8280 0096
• Press Select-Gold Shield
  D00F192C 1000
  800F8294 0190
• Press Select-Dragon Armor
  D00F192C 1000
  800F8298 0001
• Unlock All Levels
  300F81C7 0001
  50001401 0000
  300F81DE 0001
  Note: Turn the GameShark off and then turn it back on while in the game.