Last Bronx

Last Bronx cheat codes: 
To access the hidden weapon, select your character at the character
select screen with the arrow, press the START key thirteen times,
hold the button down on the thirteenth time and simultaneously press
and hold the block key until a loading screen appears.

Alternate weapons:
Highlight a character at the character selection screen.
Now press Start 13 times.
Hold that key down the last time it is pressed and press and hold Block.
Keep both buttons held until the loading screen appears to enable extra
weapons.