8 Card Rummy with Dice & Money! Cha-Ching gives you the rush of rummy with a blend of dice for added SPICE! Players attempt to build an eight card hand to equal the sum of the house number rolled each round from various cards values. But players can cha-change things up mid play with CHACHING! Cards that allow you to re-roll the dice or trade hands with another player but don’t get caught trying to change things up before someone goes out each round.