For those of us who take an interest in all forms of gambling, the increasing popularity of gambling online is a fascinating topic. The most commonly quoted reason why gambling at an online casino has become such a popular leisure pastime for a new gambling fraternity, is the vastly expanded range of casino games that the online casinos have made available. These new casino games now include a variety of bingo games and lotteries which rely solely on random number generation, and clearly require absolutely no skill or experience to play, thereby attracting a much wider range of gamblers. One of the fastest growing casino games of this type available online is Keno, in which the players are gambling on a selection of numbers being drawn, usually from a possible eighty numbers displayed on a grid. Players gambling on Keno can select up to twenty of the eighty numbers on the grid, and twenty numbers are then randomly generated to determine the number of correct selections. Gambling on Keno also has the advantage that the gambling odds can also be controlled to some extent by the players, because if they select just ten numbers the chances of matching five are obviously less than matching five from twenty, and the payout increases accordingly. Gambling on Keno is quick and it can be played for relatively small stakes at most online casinos, so if you also add the ability to control the degree of risk and the resulting gambling odds to the mix, it is not surprising that Keno is attracting new gambling fans. The gambling odds on Keno do vary from one online casino to another, so it is advisable for casino games players gambling on Keno check the odds before starting to play.