It has 80 numbers that the players should choose between 1 to 80 to mark cards: they should mark the card with minimum 1 and maximum 15 numbers that are between 1 and 80. Then, 20 numbers are randomly generated and displayed. When the drawn numbers match with player’s marked ones, it is counted Hit. Players choose the numbers that they want to bet on; once they have done with marking, they should click the “Start” button. In the window of the game, there is a table called “Game Table” in which the total numbers of Hits are shown. Players can mark their cards automatically by “Quick Pick” button or by themselves. To clear all the chosen numbers, players should click the button “Clear Card.” All in all, RiverSweeps offers a wide range of games with full of fun and prizes. While winning a lot of awards, you will spend your free time entertaining.