Here are some cheats and tips for the game Batman.
Unlimited continues:
Press Up(2), Down(2), Left, Right,
Left, Right, A + B at the title screen.
Defeat moth Boss:
Pause game play and press B, A, B and
A. The moth will fly away when the game is resumed.
Unlimited power-ups:
Locate the falling drop claws, then crouch next to where they
are landing. Face the claws and repeatedly punch in this direction.
Each defeated claw will transform into a power-up. Use the pattern
that the claws are falling to collect the heart, weapon bonus,
or extra points before returning into position to hit more claws.