Super Spy Hunter
Extra lives:
Hold A + B + Select and press Start
at the title screens. Various numbers will appear on the screen.
The number that remains on the screen indicates the number of
lives available during the game. Note: Up to twelve lives may
be selected in this manner.
Pong mini-game:
Press A(8), Start at the continue screen. Defeat
the CPU to continue game play with twenty extra lives.
Super-car:
Pause game play at any point except
during the Boss sequences. Press Up(2), B, Right(2),
B, Down, B, Down, B, Left(2),
A, Start.