To help you play better & have a better chance of winning, consider the following advice: 1. The secret to winning the Rummy Cash Game is to concentrate on organizing your cards into sets aram memory slotsnd sequences as soon as you can. Make an effort to arrange your cards so that you can make these combinations as quickly as you can. 2. Observe how your opponents are playing: Pay attention to the cards that your opponents are discarding & picking up. This will help you decide which cards to keep or discard by providing you with important information about their hand. Three.