The winner is the first player to accomplish this. While there are some basic rules that apply to most variations of the game, the rules of Rummy can changerummy apk all depending on the variation being played. Groups of three or four cards of the same rank are called sets in Rummy, & sequences of three or more consecutive cards of the same suit are known as runs. In order to form sets and runs in their hands, players alternately draw cards from the discard pile or the deck.