If you want to play with the original English cards or specific sets, these manual simulators are the top choices: PLAY DUEL MASTERS ONLINE GAME HERE ! : r/DuelMasters
This is the modern, "high-budget" mobile and PC game developed by Takara Tomy . While officially in Japanese, it is the most active platform with over 10,000 players. play duel master online
: You can use an English Patch for the UI on Android or PC (using BepInEx). If you want to play with the original
To play Duel Masters online, you have several options ranging from official Japanese apps with English patches to manual community simulators. 1. Duel Masters PLAY'S (Official App) play duel master online