The following are known Code Breaker Codes for Tales of Phantasia on Nintendo Game Boy Advance (GBA).

These codes are for the U.S. version of the game.

Master Code – Must Be On
• Enable Code
  000016EE 000A
  100B1D08 0007
• No Random Battles
  33001524 0020

Infinite HP (In-Battle) Codes

• Slot 1
  82022DF4 270F
• Slot 2
  8202307C 270F
• Slot 3
  82023304 270F
• Slot 4
  8202358C 270F

Infinite MP (In-Battle) Codes

• Slot 1
  82022E00 03E7
• Slot 2
  82023088 03E7
• Slot 3
  82023310 03E7
• Slot 4
  82023598 03E7