The following are known Code Breaker Codes for Iridion II on Nintendo Game Boy Advance (GBA).

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

• Master Code – Must Be On
  00009C63 000A
  100213A8 0007
• Transparent
  73004186 0300
  330041C9 0000
• Infinite Health
  330041A0 00FF
• Infinite Lives
  33000A01 0009
• Infinite Smart Bombs
  33000A0E 0003
• Weapon Charged
  33001427 0020
• Have All Upgrades
  33000A03 0002
  83000A04 0202
  83000A06 0202
  33000A08 0002