Alternate costumes/outfits
If you want to unlock the listed costume/outfit just complete the listed task:

Golden Age suit	Save Metropolis from the tornadoes
Pod suit	Defeat Bizarro

Developer memorial In Research Park
Location: In Research Park near the Superman statue there is a memorial to Derek Allman. He is one of the game developers. The game is dedicated to his memory.

Trophies
Description: Complete the listed task to unlock the listed trophy:

Bizzaro Unchampion	Complete all Bizzaro mini-games
Globe Bowling	Pick up the Daily Planet globe
Kitten Finder Extraordinaire	Rescue all 100 kittens
Meteor Mayhem	Complete Level 1
Outstanding Valet	Pick up 500 cars
Photo Finish	Defeat 500 opponents

Cheat mode
[Pause Game] to display the "Fortress Of Solitude" menu. Now,to activate the listed cheat function you need to enter one of the following codes at this menu. You will hear a sound when you enter the code right. *** Some codes cannot be enabled until the Warworld level (level 3) has been completed.

Play as Bizarro in Free Roam mode
How to: [Pause Game] and enterUp, Right, Down, Right, Up, Left, Down, Right, Up. Now, fly to the marker at the top of the GNN building to change to Bizarro. To change back to Superman, go to the marker at the other end of Metropolis.

Infinite city health
How to unlock: [Pause Game] and enterCircle, Right, Circle, Right, Up, Left, Right, Circle.

All power-ups
How to unlock: [Pause Game] and enter Left, Circle, Right, Circle, Down, Circle, Up, Down, Circle(3).

All bonuses
How to unlock: If you want to unlock all bonuses just pause the game and enter Left, Up, Right, Down, Circle(3), Up, Right, Circle .

Breaking the Sound barrier
How to: If you fly as Superman at hyper speed, you will go through stages & becomes faster & faster. If you keep flying you will break the sound barrier. You need to fly several laps around the city above the sea. You will know this has happened when you no longer hear the roaring sound of air. This means he is now traveling faster than his own sound.

PS2 Cheats for Superman Returns: The Videogame

Superman Returns: The Videogame cheat codes

Superman Returns: The Videogame cheats