Superman Returns: Fortress of Solitude

Superman Returns: Fortress of Solitude is a tie-in to the 2006 film Superman Returns. Unlike most Superman games, which have a heavy action focus, Fortress of Solitude is instead primarily a puzzle game, with only minor action elements. The game consists of twenty chapters, each consisting of a set of crystals in the Fortress of Solitude. Behind each crystal is one puzzle challenge. There are two kinds of puzzles: Kryptonex is a Sudoku variant with crystals instead of numbers. The board of cells...