DOA2 - Hardcore - Platform: Playstation 2

Cheats 
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Unlock Bayman and Tengu in every mode but Story
Complete the game with every character.

Unlock alternate costumes
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Play through the various modes and keep track of your data 
by creating a UPS file save and using it as you play. 
As the file logs gameplay hours and mode data, more 
costumes will be unlocked.

Hint 1
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Practice using the Free button in a fight: circling in 
the ring and countering are essential to truly kicking butt 
in the game.

Hint 2
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Try using different combinations of characters in Tag 
Battle; some offer more team combos than usual.