"A surprising simple twist offers good clean fun." Simply find the matching pattern in the game field and choose it. Seems so simple doesnt it. The mindlessness of Jawbreaker with a touch of Bejeweled and a dab of Tetris. Watch out for the pirates.. No there aren't really any pirates. Give it a try. Gem Ninja is OpenFeint Enable. Check out our other Puzzle Games: Poker Stacks - Gem Swapping meets Poker. Jezster - Advanced Jezzball and Card Games.