One of the main reasons why slot machines are so popular nowadays refers to the fact that they don't require much or any real skill to play them. Also players feel more comfortable playing alone and at their own pace.

The technological advances of slot machines have been tremendous. In the 1800, when first machines were invented, the game consisted of three simple reels containing around twenty symbols. Today, machines offer a lot more. Computer chips make it easy to run more reels with hundreds of different symbols and special bonuses and features are sure to intensify the excitement of players. Furthermore, land-based and online casinos, both use random number generators to determine the output of each game. Usually slot machines are programmed to provide a payout percentage of 80 to 99%.

Tip - Most advanced slot players pay close attention to the payout ratio, since that determines their possibilities of making the right combination and winning. Keep in mind that when choosing a machine or slot game, there can be several machines of the same type lined up side-by-side that looks identical, but don't be fooled. Each machine could be programmed with a completely different payout percentage rate. In this case make sure to evaluate the machines payout ratio or percentage before you begin to play. The payout information should be post it on each machine by law. If you cannot find this information on the machine we suggest you find a different one that does.

So far we have only discussed regular slot machines also know as flat rate machines; another popular type of game is progressive slot machines. In this case many slot machines are connected together to grow an even bigger prize (or accumulate a bigger pot) than flat rate slot machines would. In terms of odds, both types of machines are very different.

For instance, to play a three reel machine that has 30 different symbols and the object is to get a 'jackpot' symbol on each reel, you would multiply 10 X 10 X 10 to get 1,000. So your odds of hitting the jackpot on this machine would be 999 to 1. For progressive slot machines the odds of hitting the jackpot are smaller, but if a player hits a progressive jackpot, the reward is bigger than a flat rate machine.