In order to form sets or sequences, players may be able to use wild cards, which can represent any card. Players must choose when to use their wild cards for maximum effect, which adds another level of strateten patigy. In certain Rummy Royally variations, point systems are also introduced that are based on the cards that are still in players' hands after a player leaves. This creates a more competitive environment by encouraging players to monitor their opponents' progress in addition to their own hands. Players who want to succeed at Rummy Royally must create winning strategies that can boost their winnings considerably.