Superman Returns – The Videogame – Platform: XBox

...cheats, codes, maps, saves, tips

Unlockables:
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Pause the game, and go into the options menu. This is called the Fortress
of Solitude, enter the cheats anywhere in here.

Result Code
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Infinite Metro Health – Y, Right, Y, Right, Up, Left, Right, Y
Unlock All Power-ups – Left, Y, Right, X, Down, Y, Up, Down, X, Y, X
Unlock All Unlockables – Left, Up, Right, Down, Y, X, Y, Up, Right, X