Additional variations include "Kalooki," "Canasta," and "Pinochle," each of which has unique rules & obstacles to keep players interested & in the game. Over time, the competitive Rummy scene has expanded dramatically, with local, national, & rummy vipinternational tournaments now taking place. Skilled athletes who are keen to show off their skills & compete for rewards are drawn to these events. Tournaments frequently have set formats, like round-robin or single-elimination play, which let players compete against a number of opponents in a controlled setting. Since players must not only rely on their skills but also adjust to different playing styles, the excitement of competition adds another level of excitement to the game.