Casino gambling has now reached a very much wider audience with the availability of online casinos in the home, and many people now gambling at an online casino have never set foot in a real casino, and even now do not play the traditional casino gambling games such as roulette, blackjack and poker. These new online casino customers have been attracted by the variety of casino games now on offer, most of which are quick and easy to play and require no particular skill. Amongst these simple gambling games are the numbers games such as bingo and various forms of lotteries, but for those looking for a numbers gambling game with a bit more to it there is the game of Keno, a big favourite in the US but less well known over here. Keno entails gambling on up to twenty numbers being drawn from eighty available on the grid, and enables the gambler to choose how many numbers they select and therefore what gambling odds they want to play. Clearly, if only ten numbers are selected the odds of matching say five are less than they would be if twenty numbers were chosen, but the payout reflects these higher risks giving the successful gambler more reward for their bet. At first glance this element of Keno sounds complicated, but we recommend that new players take advantage of the free play mode available at most of the major online casinos, where they will soon get the hang of it. The gambling odds are clearly illustrated on the graphics as you make your selections, making your gambling options easy to follow and allowing you to choose how much risk you want to take each time you play. One word of warning though, the winning odds can vary slightly from one online casino site to another, so again check a few sites in free play mode before gambling real money. Keno is good fun and allows you to vary the gambling risks according to your mood and your budget, so give it a go.