> Online Casino Progressive Slot Machines Classification

It doesn’t require much skill to play slots. Slots give you an opportunity to win a lot of money. The main feature of all slots is that they work with the help of RNG. RNG is a Random Number Generator. RNG is a microchip, which is constantly churning out thousands of numbers a second. RNG works all the time. When you hit a spin the machine takes the next number out which it then translates into the position which the reels should stop at, and whether you have won or not! Decide how much money or coins you can spend for one go and only then begin to play. Place maximum bets if you have enough credits. If you make maximum bets you have an opportunity to get the maximum win, which for some slots is the Progressive Jackpot. The payout depends on the type of a slot machine.

The first gambling machine, on which all modern slots are based, was invented by Charles Fey in 1887. Instead of symbols we have now there were regular playing card symbols. The gambling machine consisted of three mechanical reels and a lever. The lever had to be pulled to make the reels move. It was Charles Fey who offered the first slot machine to the public. The first slot consisted of three mechanically spinning reels. There were ten pictures (cards) on each reel. The player won if three equal cards came out. In 1889 there appeared slots, which gave an opportunity to win the jackpot. Fey’s first slot machine was called the Liberty Bell. Then slots were played mostly by women. Women played slots while their men gambled. There was a period of time when any kind of gambling was forbidden. The reaction was the appearance of “Liberty Bell Gum Fruit” slots. People used “Liberty Bell Gum Fruit” for buying a bubble gum and with the bubble gum they got an opportunity to win money, they were given a spin. The symbols were different fruits, the most popular tastes of a chewing gum. At the end of the 20th century computerized slots and video poker machines appeared. Modern slots are much easier to use. Gamblers push the button and the game starts. Now playing slots through Internet is available for players from all over the world.

There are many types of slot machine configurations but all work according to the same principles - put the money in the slots and pull the handle! Traditionally two main types of slots are distinguished: straight and progressive slots. The main feature, which distinguishes straight slots from other types is that you get paid according to the payout table, which is shown on the slot machine. There are four other types inside of the straight slot group: multiplier, bonus multiplier, multiple payline and buy-a-pay slots. The bet amount determines the sum of the payout in multiplier slots. Bonus multiplier slots are characterized by a bonus round, which is activated if making maximum bets. When playing multiple payline slots remember that the number of coins being bet determines the winning amount. The Buy-a-Pay slots are profitable only if you place maximum bets. Progressive Jackpot is the main characteristic of the progressive slots. Progressive jackpot grows with each coin being bet. The jackpot total is posted above the machine and can grow to enormous sums of money.

Progressive slots are usually a group of many slot machines linked together by a network. The big progressive jackpot is made by taking a percentage of all the money played into the machine. Not all progressive slots are the same. Progressive slots can be divided into 4 groups.
Stand Alone Progressive slots
The stand alone progressive slots "machine" is not linked to any other machines. The jackpot is calculated in the following way: a percentage of the coins played is added to the amount for the highest winning combination. You can see the sum of the jackpot on the meter place on the front. The payback percentage is equal to the payback of other slots of the same denomination. Unlike slots which are linked in groups stand alone slots’ jackpots are low.
In House Progressive slots
Slots of this type are linked by a network and operated by one and the same casino or a group of casinos. These slots can have very large winnings. They generally hit more often than the big wide area progressive slots.
Wide Area Progressive slots.
The main characteristic of these slots is their life enhancing jackpots. The slots are represented by unrelated casinos, but still they are linked together. A good example of online progressive slots operators are software providers such as Playtech and Microgaming. This type of slots has the largest jackpots. These types of progressive slots are the most commonly found at the online casinos.

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