While keeping their opponents' strategies in mind, players must communicate with their teammates in an effective manner. The game's rules for using wild cards, or jokers, in melds are also specific, which makes gameplay more difficua satta kinglt. Players are rewarded for creating canastas and penalized for having unmelded cards in their hand at the conclusion of each round by Canasta's special scoring system. For players looking for a more cooperative rummy experience, Canasta is an interesting option because it combines strategy, chance, and teamwork. An intriguing variation of rummy, contract rummy involves players completing a number of contracts or goals over the course of several play rounds.