Boxing Fever – Gameboy Advance

Boxing Fever - Platform: Gameboy Advance
   
Amateur Series completed
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Enter 90HG6738 as a password. 

Top Contender Series completed
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Enter H7649DH5 as a password. 

Pro Am Series completed
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Enter 2GG48HD9 as a password. 

Prof. Series completed
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Enter 8G3D97B7 as a password. 

World Title completed
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Enter B3G58318 as a password. 

Survival Mode completed
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Enter G51FF888 as a password. 

Invincibility
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While choosing your boxer, press 
Right, Left, Left, Right, Left, then press Select. 

More power
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While choosing your boxer, press 
Left, Left, Left, Left, Right, then press Select.