Players may choose to concentrate on finishing sets and runs in order to win the round, or they may choose to pursue high-scoring combinations in an effort to gain additional bonus points. Rummy 51 Gin: A Varia100 free cash rummytion with a Twist. "Rummy 51 Gin," an alternate version of Rummy 51 with distinct scoring guidelines, is another well-liked bonus game. Players in Rummy 51 Gin can receive bonus points for "knocking," which is when they end the round with fewer points in their hand than their opponents, & "going gin," which is when they end the round with no unmatched cards in their hand. Points are awarded for forming sets and runs.