Director's Cut:
Hold L and press Up, R, Select, R, Up, Select(2) at the "Select A Slot" screen. Alternately, successfully complete the game under the normal difficulty setting.

Time Challenge:
Hold L and press Up, Down, Up, R, Up, Down, Select at the "Select A Slot" screen. Alternately, successfully complete the game in director's cut mode.

Gallery:
Hold L and press Down, Up, Down, R(2), Select, Left at the "Select A Slot" screen.

Hai Feng is invincible:
Hold L and press Down(2), R(2), Up(2), Select at the "Select A Slot" screen.

Unlimited ammunition:
Hold L and press R, Up, R, Up, R, Up, R at the "Select A Slot" screen.

All Big Thug enemies:
Hold L and press Right, Left, Right, Left, Right, Left, Right at the "Select A Slot" screen.

All Texas enemies:
Hold L and press Up, Down, Left, Right, Up, Down, Left at the "Select A Slot" screen.

All Jamal enemies:
Hold L and press Right(7) at the "Select A Slot" screen.

Randomize all enemies:
Hold L and press Up, Right, Down, R(2), Select, Left at the "Select A Slot" screen.

Bruce '73 costume:
Hold L and press Right, Down(2), R(2), Select, Left at the "Select A Slot" screen. Alternately, successfully complete the game under the normal difficulty setting.

Dragon costume:
Hold L and press Right, Up, Down, R, Up, Select, Left at the "Select A Slot" screen. Alternately, successfully complete the game in director's cut mode.

Gold costume:
Hold L and press Right, Up(2), R(2), Select, Left at the "Select A Slot" screen. Alternately, successfully complete the game in time challenge mode.