Cheat mode:
     Pause  game  play,  then enter the "Fortress of Solitude" options
menu.  Enter  one  of the following codes at this menu to activate the
corresponding cheat function.

God mode:
     Press Up, Up, Down, Down, Left, Right, Left, Right, Circle, Circle.

All power-ups:
     Press  Left,  Circle,  Right,  Circle,  Down,  Circle,  Up, Down,
Circle, Circle.

All unlockables:
     Press  Left,  Up, Right, Down, Circle, Circle, Circle, Up, Right,
Circle.

Unlimited city health:
     Press Circle, Right, Circle, Right, Up, Left, Right, Circle. 

Unlock Bizarro:
     Press Up, Right, Down, Right, Up, Left, Down, Right, Up.