25 bazooka rounds: Press A, B(2) on controller two, followed
by Up(2), Left, Down on controller one, and
then A on controller two when the wanted posters appear
during the opening sequence. A sound will confirm correct code
entry.
999 assault rifle rounds: Press Up, A(4), Left(2), Down
on controller two when the wanted posters appear during the opening
sequence. A sound will confirm correct code entry.
Level skip: Press Down, B, A, B, Up,
Down(2), Right on controller two at the wanted poster
screen. Then, press Select on controller one during game
play to advance to the next level.