> First Progressive Slot Machines Classification

It is very easy to play slots. With slots you can win a lot of money. All slots 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 churns the numbers even if nobody plays. 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. If you have enough money or credits you’d better make maximum bets. 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. There were three mechanical reels and the lever, which 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. Every reel had ten sections with different pictures on them. The combination of three equal cards was considered to be a winning combination. 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. There appeared so-called “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. Pictures of different fruits were used as the symbols. 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 people can play slots even online.

All slots work according to one and the same rule. You put coins or money in the slot machine and then pull the handle. The main classification of slots distinguishes two types of slots: 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. Straight slots in their turn can be divided into multiplier, bonus multiplier, multiple payline and buy-a-pay slots. The main feature of multiplier slots is that the payout for a winning combination depends on the number of coins bet. The main principle of bonus multiplier slots is a bonus round, which becomes active if you play with maximum bets. The principle of multiple payline slots is that the number of enabled payline depends on the number of coins bet. The Buy-a-Pay slots are profitable only if you place maximum bets. Progressive slots are characterized by the big jackpot, which progressively gets larger and larger, as every coin is put in. 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 progressive jackpot is a certain percentage of money played in this group. 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. In most cases the payback is equal to the other machines of that denomination but it just distributed differently to give you a varying amount for the top prize. But in comparison with slots which are linked together, stand alone slots have a lower progressive jackpot.
In House Progressive slots
These are a group of progressive slots games linked together and owned and operated by the casino. The jackpots may not be the multi-million variety but they can be quite a large sum in some casinos. 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. Slots powered by Playtech is a good example. These slots have the largest jackpots. These is most popular type of slots. They can be found in nearly any casino.

> Slots in UK Casinos

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