Brawl Brothers - Platform: Super Nintendo

View Japanese title screen
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Quickly press B, A, X, Y repeatedly at the Jaleco screen 
until the screen becomes scrambled. Press Start after a 
hearing a sword slash. Press Down(3), Start when the screen 
changes. Exit the options screen to view the title screen 
from the Japanese version of the game. Note: Select Kazan 
as a character after enabling this code. Press Y to execute 
an alternate uppercut. 

Fight as same character
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Select two player mode. Highlight the same character on 
both controllers simultaneously. Then, press Y on both 
controllers simultaneously.