Combining Winsome Elements. Following the cessation of the reels' spinning, players must use the cards on the reels to create winning combinations. Like in classic online slots machinerummy, there are winning combinations in rummy slots, such as runs (three or more consecutive cards of the same suit) & sets (three or four cards of the same rank). For even greater rewards, players can also create unique combinations like a full house, straight flush, & royal flush. Unique Symbols & Strategic Choice Making.