Take the arcade classic Star Castle, and mix it with Puzzle Bobble, add to that equal parts Galaga, Sinistar, and Carnival, and you get Fortitude. In Fortitude, you shoot colored balls at horizontally moving rows of other colored balls. Maching 3 or more of the same color makes them explode. Open a gap in the balls, and you get a chance to shoot the Red King. Be careful, because if he sees you, you're toast! Not only that, but the Red king is constantly sending out ships to blast you out of the sky! Fortitude features exciting gameplay, three bonus rounds, and online & local high scores.