The following are known GameShark Codes for Arc The Lad III on Sony Playstation (PS1).

• Master Code (Must Be Enabled – Version 1)
  D0021DF6 1040
  80021DF6 1000
• Master Code (Must Be Enabled – Version 2)
  D007EC10 000E
  8007EC10 0000
  D007EC10 0005
  8007EC10 0000
• Infinite Money
  8009D368 423F
  8009D36A 000F
• Infinite GP
  8009DE34 967F
  8009DE36 0098

Main Character

• Now HP
  8007E49C FFFF
• Max HP
  8007E49E FFFF
• Now MP
  8007E4A2 03E8
• Max MP
  8007E4A4 03E8
• Max Upgrade After 1 Battle
  8012EA10 6363
  8012EA12 6363
  8012EA14 6363
• All Skills (Caetla Only)
  E007E4CA 00FE0007
  3007E4CA 0002
  3007E4CE 0006
  3007E4D0 0007
  3007E4D2 000A
  3007E4D4 000D
  3007E4D6 0010
  3007E4D8 0013
• All Skills Max (Caetla Only)
  E007E51A 00630007
  3007E51A 001D
  3007E51C 001E
  3007E51E 001F
  3007E520 0020
  3007E522 0023
  3007E524 0026
  3007E526 0029
• Time = 0’00”
  800BA18C 0000
• Infinite Move – Select + L2 for Active – Select + R2 for Inactive
  D0097FB4 0101
  800F48D0 0000
  D0097FB4 0102
  800F48D0 0001
• All Support Items (Caetla Only)
  300AE724 0027
  B0270002 00000001
  300AE878 0000
• Infinite Support Items (Caetla Only)
  300AE724 0027
  B0270002 00000000
  300AE879 00FF
• All Weapons (Caetla Only)
  300AE725 0068
  B0680002 00000001
  300AE8C8 0028
• Infinite Weapons (Caetla Only)
  300AE725 0068
  B0680002 00000000
  300AE8C9 00FF
• All Defense (Caetla Only)
  300AE726 0030
  B0300002 00000001
  300AE99A 0091
• Infinite Defense (Caetla Only)
  300AE726 0030
  B0300002 00000000
  300AE99B 00FF
• Magic Items (Caetla Only)
  300AE727 002C
  B02C0002 00000001
  800AE9FC FFC2
• Combine Items (Caetla Only)
  300AE728 0010
  B0100002 00000001
  800AEA56 FFEF