Rummy Royale: An All-Inclusive Guide Rummy Royale is a captivating card game that has taken off in recent years, especially among online gamers. It is a cojoin rummyntemporary take on the traditional rummy game, fusing traditional components with cutting-edge features that improve the overall gameplay. While players must use a standard deck of cards to form sets and sequences, Rummy Royale differs from its predecessors in that it has special rules & gameplay mechanics.