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. (June 2014)
Superman Returns: Fortress of Solitude is a puzzle video game, for the Game Boy Advance. It is the counterpart of Superman Returns. It features various puzzle challenge (one of which was Sudoku with superpowers) punctuated with short flying action sequences.
The gameplay is a mixture of sorts between soduku levels and battles that the player must do in order to advance through the game.
The game got mixed reception upon release. GameSpot gave it a score of six out of ten, calling it "a passable puzzler that offers a decent selection of Sudoku-style puzzles."