Unlocking Different Costumes
Bruce '73: To unlock the Bruce '73 costume, unlock Director's cut mode.
Dragon: To unlock the Dragon costume, beat the game on Director's cut mode.
Invincibility
On the select ''a slot screen'', hold L and tap down, down, R, R, up, up, select.
Unlock the Dragon Outfit
Enter Right, Up, Down, R, Up, Select, Left.
Unlock the Gold Outfit
Enter Right, Up, Up, R, R, Select, Left.
Unlock the Bruce Lee around 1973 Outfit
Enter Right, Down, Down, R, R, Select, Left.
God mode
On the "Select a Slot" screen, hold L and press Down, Down, R, R, Up, Up, Select.
Time Challenge mode
On the "Select a Slot" screen, hold L and press Up, Down, Up, R, Up, Down, Select.
Gallery mode
On the "Select a Slot" screen, hold L and press Down, Up, Down, R, R, Select, Left.
Unlock the Director's Cut
Up, R Button, Select, R Button, Up, Select, Select.
Make Weapons Last
R Button, Up, R Button, Up, R Button, Up, R Button.
Select Big Thugs
Right, Left, Right, Left, Right, Left, Right
Select Texases
Up, Down, Left, Right, Up, Down, Left.
Select Jamals
Right, Right, Right, Right, Right, Right, Right.
Randomize All Enemies
Up, Right, Down, R Button, R Button, Select, Left.