Description from the publisher: Gem Duel is one of the card game to duel with your opponent, using variety beautiful cards of sealed creatures into GEM. These creatures are from myths around of the world. You and your opponent summon each 3 creatures one by one, sort each summoned creatures , and battle at the same time. You win by direct attack to your opponent after destroying all of his shields. Note : You can destroy the shields and attack directly in same color creature’s battle only.