The following are known GameShark Codes for Arc the Lad: Twilight of the Spirits on Sony Playstation 2 (PS2).

Version 3 GameShark Codes

• Master Code – Must Be On
  F442BE30 BF7C0516
• Max Infinite G (Humans)
  24435BC6 FCA5DEAE
• Max Infinite G (Deimos)
  24437AC6 FC25CCCE

Character 1 Codes

• Character 1: Infinite HP
  14003B78 BC3485EE
• Character 1: Infinite Spirit Stones
  14003B79 BC3485EE
• Character 1: Max Level
  14003B79 BC3485CE
• Character 1: Max EXP
  24037BC6 FC25CC7E
• Character 1: Max Class
  14103373 B53485DE

Character 2 Codes

• Character 2: Infinite HP
  14003978 BCB4854E
• Character 2: Infinite Spirit Stones
  14003979 BCB4854E
• Character 2: Max Level
  14003B79 BCB485FE
• Character 2: Max EXP
  24037BC6 FCA5CCDE
• Character 2: Max Class
  14103173 B5B4856E

Character 3 Codes

• Character 3: Infinite HP
  14401979 BC34855E
• Character 3: Infinite Spirit Stones
  14401978 BC34857E
• Character 3: Max Level
  14401979 BC34857E
• Character 3: Max EXP
  244359C6 FC25CC6E
• Character 3: Max Class
  14501173 B53485CE

Character 4 Codes

• Character 4: Infinite HP
  14401978 BCB485DE
• Character 4: Infinite Spirit Stones
  14401979 BCB485DE
• Character 4: Max Level
  14401979 BCB485EE
• Character 4: Max EXP
  244359C6 FCA5CCCE
• Character 4: Max Class
  14501173 B5B485FE

Character 5 Codes

• Character 5: Infinite HP
  14001A78 BCB4856E
• Character 5: Infinite Spirit Stones
  14001A79 BCB4856E
• Character 5: Max Level
  14001A79 BCB4854E
• Character 5: Max EXP
  240359C6 FC25CCFE
• Character 5: Max Class
  14101273 B5B4855E

Character 6 Codes

• Character 6: Infinite HP
  14403A78 BC3487CE
• Character 6: Infinite Spirit Stones
  14403A79 BC3487CE
• Character 6: Max Level
  14403A79 BC34877E
• Character 6: Max EXP
  24437AC6 FC25CE5E
• Character 6: Max Class
  14503073 B5B4874E

All Character Codes

• All Characters: Max HP
  24008AB8 BEE415AF
• All Characters: Max Spirit Stones
  24008BB8 BEE415AF
• All Characters: Max Infinite ATT
  24008AB8 BEE415BF
• All Characters: Max Infinite DEF
  240088B8 BEE4153F
• All Characters: Max Infinite MNT
  240088B8 BEE4152F
• All Characters: Max Infinite AVO
  24008BB8 BEE4153F
• All Characters: Max Infinite HIT
  24008BB8 BEE4152F
• All Characters: Max Infinite SPD
  240088B8 BEE415AF
• All Characters: Max Infinite TRO
  240088B8 BEE415BF
• All Characters: Max Infinite CNT
  24008BB8 BEE415BF
• All Characters: Max Infinite GRD
  240089B8 BEE4152F
• All Characters: Max Infinite CRI
  240089B8 BEE4153F