God mode:
Select the "Cheat" option at the "Setup" menu. Then, press Start, X(2), 
Circle(2), R1(2), Square(2), Start. 


Fight as practice robot:
Successfully complete training mode. 


Fight as Odive:
Win the third tournament. 


Intercontinental Tournament:
Win all five default tournaments to unlock the Intercontinental Tournament. 


Scrapyard arena:
Win all survival modes to unlock the Scrapyard arena. 


Alternate costumes:
Successfully complete Life mode with a boxer to unlock a new costume for 
that character. 


Unlock Hidden Characters 
Complete Training mode with any character to unlock 1 hidden character. 
Complete Pro tourament to unlock the 2nd hidden character. 
Complete Top Contender tournament to unlock the 3rd hidden character. 
Complete World Championship tournament to unlock the 4th hidden character. 
Complete the hidden Intercontinental tournament to unlock the final hidden 
character