The following are known GameShark Codes for Marie no Atelier Plus: Salberg no Renkinjutsushi on Sony Playstation (PS1).

• Infinite Money
  8010D7E8 869F
  8010D7EA 0001

Main Character

• Infinite HP
  800CA6A0 03E7
• Max HP
  800CA6A2 03E7
• Infinite MP
  800CA6A4 03E7
• Max MP
  800CA6A6 03E7
• Max Magic
  800CA6AC 0064
• Max Speed
  800CA6AE 0064
• Max Attack
  800CA6B0 0064
• Max Defense
  800CA6B2 0064