Concentrating on rapidly forming sets & runs of cards in your hand is one important tactic. Three or more consecutive cards of the same suit make up a run, wrummy esathile three or more sets are groups of three or four cards of the same rank. You can improve your chances of winning the game by laying down your cards early on in the process by concentrating on creating these combinations. One more crucial tactic is to keep a close eye on the cards your opponents have discarded.