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

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

This game requires a CodeBreaker Version 1.1+.
• Enable Code (Must Be On)
  91E32D3B C040
  6E2D5C0F 440F
  2A264CA2 399E
• Infinite Health
  7724E5D2 3D0E
• Infinite Lives
  CC0B43BF 4491
• Infinite Ghost Traps/Bombs
  3078DCE9 FDDE
• Upgrade Weapons
  30784C69 7DDE
• Press A For Floater
  456075D7 2D06
  0CE3D87E C0A0