On the other hand, it might indicate that they are almost done with their melds if they take a card from the discard pile that you were examining. Gaining a keen understandingfree rummy game online of both your opponents' & your own hand will help you decide which cards to keep and which to discard. After learning the fundamentals of rummy, players can start experimenting with more complex tactics that can greatly increase their winnings. A good tactic is to keep a variety of high- and low-value cards in your hand to keep your hand flexible.