Mastering Online Rummy: Success Strategies The card game of online rummy has become very popular in recent years, especially with the growth of digitatop slots sitesl platforms. Rummy, at its core, is a skill and strategy game in which players try to use the cards they are dealt to create legitimate sets & sequences. Combining cards into sets (three or four cards of the same rank) or sequences (three or more consecutive cards of the same suit) is the main goal.