Superman Returns - The Videogame cheats and cheat codes for Playstation 2

Cheat mode:
To bring up the "Fortress of Solitude" menu, press Start during the game.
Press the following button combination at this menu to activate the 
indicated cheat effects:

Note: 
If the entered codes are accepted, you will hear a sound.
You can't activate some codes until you reach level 3. 

Activate God mode:
Press the following button combination on your controller:
Up, Up, Down, Down, Left, Right, Left, Right, Circle, Circle.

Infinite city health:
Press the following button combination on your controller:
Circle, Right, Circle, Right, Up, Left, Right, Circle. 

Get all unlockables:
Press the following button combination on your controller:
Left, Up, Right, Down, Circle, Circle, Circle, Up, Right, Circle.

Unlock all power-ups:
Press the following button combination on your controller:
Left, Circle, Right, Circle, Down, Circle, Up, Down, Circle, Circle.

Unlock Bizarro in Free Roam mode:
Press the following button combination on your controller:
Up, Right, Down, Right, Up, Left, Down, Right, Up. 
To change to Bizarro, fly to the marker at the top of the GNN building, 
then go to the marker at the other end of Metropolis to change back 
to Superman.

Get Trophies:
Complete the following tasks:

Photo Finish trophy: Beat 500 opponents. 
Outstanding Valet trophy: Pick up 500 cars.
Meteor Mayhem trophy: Finish level 1 (meteor storm).
Kitten Finder Extraordinaire trophy: Save all 100 kittens.
Globe Bowling trophy: Go bowling with the Daily Planet globe.
Bizzaro Unchampion trophy: Finish all Bizzaro mini-games.

Unlock Pod Suit - Beat Bizarro 
Unlock Golden Age Superman - Save Metropolis from a tornado