Kensei - Sacred Fist - Platform: Playstation 1

Full pause screen
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Pause game play and press R2. 

Alternate costumes
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Highlight a fighter at the character selection screen. 
Press Circle or X to select their first costume, or 
Square or Triangle to select a second costume. 

Extra mode
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Unlock all twenty-two characters. 

Fight as Akira
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Beat the game using Yugo. 

Fight as Quigtao
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Beat the game using Yuli. 

Fight as Cindy
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Beat the game using Douglas. 

Fight as Steve
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Beat the game using Allen. 

Fight as Arthur
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Beat the game using Ann. 

Fight as Kornelia
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Beat the game using Heniz. 

Fight as Sessue
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Beat the game using Hyoma. 

Fight as Mark
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Beat the game using David. 

Fight as Genya
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Beat the game using Saya. 

Fight as Jelly/Billy
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Beat the game using Kaiya. 

Fight as Kazane
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Beat the game using Zhou. 

Fight as Zhou
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Beat the game using all nine starting characters. 
Then, beat the game under normal mode once more 
using any one of the nine starting characters. 

Fight as Kaiya
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Beat the game using all nine starting characters. 
Then, beat the game under normal mode once more using 
any bonus character.