Game Guides, Cheats, Codes, Hints and Walkthroughs for Boxing Fever on GameBoy Adv..

Passwords
Status - Password

Survival Mode completed - G51FF888

Amateur Series completed - 90HG6738

Top Contender Series completed - H7649DH5

Pro Am Series completed - 2GG48HD9

Professional Series completed - 8G3D97B7

World Title completed - B3G58318

Invincibility and more power
When choosing your boxer, hit these buttons, then hit select when you’re finished entering the button sequence:

Right, Left(2), Right, Left - Invincible

Left(4), Right - More power