The following are known CodeBreaker Codes for Eragon on Nintendo Game Boy Advance (GBA).

The codes should work with the region specified but may work for other regions as well.

• Have All ‘Craft’ Items
  43005124 6363
  0000002D 0001
  33005123 0063
• Have All ‘Forge’ Items
  430050E4 FFFF
  0000000B 0001
• Have All ‘Consumable’ Items
  430050F0 6363
  00000032 0001
  33005122 0063
• Access Debug/Cheat Menu (Press L To Activate)
  730051C4 0200
  83005660 0004

Slot 1 Codes

• Infinite HP
  83004A08 270F
• Max HP
  3004A00 006E
• Weapon Modifier
  33004A20 00??
• Armor Modifier
  33004A1C 00??
• Helm Modifier
  33004A24 00??
• Accessory Modifier
  33004A28 00??

Slot 2 Codes

• Infinite HP
  83004A68 270F
• Max HP
  33004A60 006E
• Weapon Modifier
  33004A80 00??
• Armor Modifier
  33004A7C 00??
• Helm Modifier
  33004A84 00??
• Accessory Modifier
  33004A88 00??

Slot 3 Codes

• Infinite HP
  83004AC8 270F
• Max HP
  33004AC0 006E
• Weapon Modifier
  33004AE0 00??
• Armor Modifier
  33004ADC 00??
• Helm Modifier
  33004AE4 00??
• Accessory Modifier
  33004AE8 00??