There is no strategy that can really help you to win when playing slots You will probably, of course, encounter someone who claims to have developed thefool-proof' slots strategy system but please, ignore such advice. The outcome of slots is accidental. The slots don’t have memory, that’s why it is not wise to try to outwit them. The strategy can be represented only by a number of tips. Different slots have different payouts. So play slots with the higher payout. Play slots with the payout above 95%. When playing slots you must always know the odds and probabilities of the slot you are playing. There is a payout table for each slot, so make sure you read it before inserting coins. Before playing decide how much you can spend this day. If you are more likely to exceed this limit you’d better give up the game. When playing remember that you can win as well as lose. Don’t think that machine will feel guilty if you insert a lot of coins and get nothing back. Try not to spend all of your time on a machine that isn't paying out. When things are going your way and you're on a lucky streak, take advantage of it and bet more. When you're slumping, bet less. Find a machine that suits your bank-roll. Look for a dollar machine, and have some fun. Cash out the credits you’ve won before leaving the slot machine you’ve been playing. Sounds obvious, but a lot of people forget! Try to play the slots or games you have played before.

There exist at least two types of slot players.
Persistent player.
This type of slots player is the one that believes the win is right around the corner. Just a second and the coins will be flying all over the casino!
The player has either seen a person playing a slots game for a while with no payouts or alternatively they have been depositing funds into a slots game and haven’t yet seen any payouts. They know the next big win, or any win is due to pay out. They can’t leave the machine because as soon as they do it will burst forth and pay out large sums. Makes sense if you have lost 0. 00 and have yet to win. The machine can’t but paying.
Many years ago in the case of the payout players touch the coins to check whether he coins were hot or cold. If the coins were hot they believed that the machine had not paid for a long period of time. But in reality any machine has numerous lights which heat the coins.
The second type of slot players is a chaser.
The player thinks that the machine he is going to play is not a machine that never pays. Players feel more comfortable and confident because they have been reinforced with a win and gain trust in the machine. There is some kind of comfort and trust between the slot machine and the player.

Slot machines have a vivid and diverse history. Throughout the years, designs and implementation of slot machines went from mechanical to electronic, and from electronic to digital, then from digital to purely software, but the principles are still the same: the slot machine has reels which spin and, if the pre-defined winning combination plays out, you win. The player inserts coins in the machine and then wins or loses according to the outcome of the game.
Basically, slot machines are all the same. They have different odds (and of course payouts), different payoffs, different symbols and different exterior arrangement, but there's little difference under the hood. There are so many varying designs around the classic slot machine that everyone could probably find their own ultimate preferred flavour.
Two most distinct types of slot machines are single line and multiline slots. As it can be understood from its name single line slots have only one line with 4 or 5 wheels. But multi line slots can have up to 25 lines. Multi line slots are more difficult to understand because you win according to the winning combinations on the paylines, which can be formed in many ways. Sometimes you don't win anything at all, and sometimes multiple combinations award you with relatively big winning money. There are machines with paylines; that is, vertical lines along which a winning combination must occur, but some don’t have them, as the winning combination may come in diagonals, zigzags, strange curves and in other ways and fashions.
Jackpot is also a feature peculiar not for all slots. If the slot machine has a jackpot it means that a certain amount of each additional bet is added to the jackpot. So the jackpot becomes bigger and bigger with every bet. Jackpots can reach several hundreds of thousands dollars. A certain winning combination hits the jackpot, and the lucky gambler collects everything that the ones before him left behind.
Since slot machines appeared they have been played with coins. The new invention is a slot machine online, which doesn’t differ greatly from regular slot machines. Indeed, as well as with all small wager games, there are top bets - they're known as table limits in table games. Unlike the table games, slot machines don't involve any decision on the player's part and so aren't threatened by game management systems because of their fixed odds; the bet limits are more of a traditional thing than anything else.
Online slot machines also have RNG, which exclude any possibility to cheat. That’s why slots are as fair as it is only possible.

United States
The United States state governments regulate the availability of slot machines. Many states have established gaming control boards to regulate the possession and use of slot machines. There is only one state that has no significant restrictions against slot machines - Nevada. In New Jersey slot machines are allowed only in hotel casinos operated in Atlantic City. Several states allow slot machines only on licensed riverboats or permanently-anchored barges. Delaware allows slot machines at three horse tracks. State lottery commission exists for their regulating.

Casinos: Native American
Native American casinos located in reservations are not permitted to have slot machines. It becomes possible when the tribe first reaches a pact with the state in which it is located. The state is entitled to receive a fraction of the gross revenue from slot machines by the pact.

Classes Of Slots
No federal law is created to govern slot machines. There is no universal classification for all states. There are states where the usage of slot machines in a casino or other gaming area is restricted. "Class III" (or "traditional") slot machines operate independently from a centralized computer system. The possibility that a player wing any payout is the same with every play. Nevada or Atlantic City have more Class III slots than any other state. "Vegas-style slots" is another name for them.
"Class II" slot machines ("video lottery terminals" or "VLTs") are connected to a centralized computer system. It determines the outcome of each wager. The chance of winning a series of limited prizes is equal for each machine. There is a fee for each Class III game that the casino has to pay to the state. There are no tight regulations for Class II games.

Characteristics Of Class II Games
The players are playing against each other. Their competition is for a common prize. There is always someone who wins. The game continues until there is a winner. There is a certain number of wins and losses in a given set of wins. The combimation can occur again only after a new batch is initiated. The games depend on one another. The player is an active participant of the game. The same set of numbers is played by all players.

Characteristics Of Class III Games
The house plays against the player. Each game is independent of previous games. Any possible outcome can occur in any game.

Slot Clubs
Many American casinos offer free memberships in "slot clubs". Complimentary food, drinks, hotel rooms, or merchandise are called comps and this is the way a small fraction of the amount of money that is bet is returned to the players. The requirement of such clubs is the usage of cards for the slot machines. Comps or "cash back" from these clubs makes significant differences in the maximum theoretical returns.

Slots In Australia
One of the most popular Australian poker machine games is Queen of the Nile. The term Gaming Machines is officially used to denote Australian slot machines. Australian-style gaming machines have video displays for stimulating physical reels. There are five of them in most cases. The use of gaming machines in Australia is regulated by the laws.
Not only casinos but also pubs and clubs in some states have Gaming machines. The first Australian state to legalize this style of gambling was New South Wales. Their legalization in all registered clubs in the state was in 1956.
Only particular forms of gaming machine are permitted to be used in Western Australia.

United Kingdom
Row of old fruit machines are usually known as fruit machines, one-armed bandits and AWP in Britain. Fruit machines are commonly found in pubs, clubs, arcades, and some take-away food shops. These machines commonly have 3, but can be found with 4 or 6 reels with around 16 or 24 fruit symbols printed around them. These reels should be spun. The machine pays winnings if certain combinations of fruit appear. There is similarity between these machines and slot machines seen in casinos and elsewhere around the world. These games have lots of extra features. The jackpots from these machines are limited. There are some features of fruit machines in the UK. A player may be given the opportunity to hold one or more reels before spinning. The chance of winning can sometimes be increased. A player is also given a finite number nudges following a spin. A nudge is a single-step rotation of a reel of the player's choice.
The type and the location of the machine influences the maximum payout for an individual game. Private members' clubs are allowed "club machines". They charge more per game and have higher jackpots.
These machines and American slot machines operate differently. The probability of getting the jackpot in each game is independent of any other game.
The AWP fruit machine is popular across Europe and in countries such as the Czech Republic, Russia, and Ukraine.

Slots In Japan
Japanese slot machines are known as pachisuro. Their ancestor is the traditional Japanese pachinko game. Slot machines are a fairly new phenomenon. There are slot machines in pachinko parlors and the adult sections of amusement arcades, known as game centers.
IC chips are used to regulate the machines. They have six different levels changing the odds of a "777". There is a variety of slot machines but there exist rules and regulations for all of them.

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! According to the main slot classification there are two types of slots. They are straight slots 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. Inside the straight slot group four more types are distinguished. They are multiplier, bonus multiplier, multiple payline and buy-a-pay slots. When playing multiplier slots you should always bare in mind that the payoff is dependent on the number of coins being bet. The main feature of the bonus multiplier slots is a bonus round, which is activated if you make 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 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.