How to Win Keno. Keno is a casino game with Chinese origins in which you select numbers to bet on and are paid if those numbers are randomly chosen as hits. Keno is all about the probability. Before playing the game, it's probably a good idea to know that the odds are almost always stacked against. Are you looking for a fun and exciting game to play online? If you are, you may be interested in learning how to play Keno. The game is best described as a form.