The following are known Code Breaker Codes for Classic NES Series: Castlevania on Nintendo Game Boy Advance (GBA).

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

• Infinite Time
  33007242 0099
  Note: Turn this off at the end of the level to continue.
• Weapon Modifier
  3300735B 00??
  Weapon Modifiers
  • 00: Nothing
  • 08: Knife
  • 09: Cross
  • 11: Holy Water
  • 13: Axe
  • 15: Clock
• Infinite Health
  33007245 0040
• Infinite Hearts
  33007271 0063