Extra money
Press [Y], [B], [Y], [B], [X],
[A], [X], [A], [Down], [Up] at the map
screen.
Extra health
Press [X], [B], [X], [B], [X],
[B], [X], [B] at the map screen.
Extra ammunition
Press [Y], [X]x2, [B], [Y], [X]x2,
[B] at the map screen.
Rush Hour shift
Successfully complete the Early Bird shift.
Night Owl shift
Successfully complete the Rush Hour shift.
Dusk And Wired shift
Successfully complete the Night Owl shift.
Extra time in arcade mode
Every time you continue in arcade mode, you will start
off with one extra second than before. You can keep on losing
and continuing, earning more seconds every time.