Play the official online Yu-Gi-Oh Duel Monster game, or try out one of these free If you do not feel like paying real money to duel online, try out any of these. Yu-Gi-Oh! TRADING CARD GAME - Official Website - KONAMI Europe. Yu-Gi- Oh! Championship Series Rimini , Rimini, Italy, 26 / 08 / 27 / 08 /. Today is a great day, you have been admitted to the world-renowned "Duel Academy", a school bringing together the best duelists in the count.