Development & Differences. Rummy has taken on many different shapes and iterations over time, each with its own distinct set of rules and subtleties. Rummy became ev777 slots win cashen more of a beloved tradition within the monarchy when the royal family embraced these variations and included them in their game nights & get-togethers. An Treasured Hobby. Even in modern times, the royal family still treasures playing Royally Rummy as a way to unwind, have fun, and strengthen relationships among themselves.