Since the beginning of the 20th century when “one-arm bandits’ came into fashion, slot games have enjoyed immense popularity among all categories of gamblers. The triumphant march of slot machines over the world has resulted in the culmination of this kind of gambling – online slot games.

Slot machines, also called “fruit machines”, “slots” or “poker machines”, are casino gambling machines with 1-25, or sometimes even more paylines and 1-7 reels. The winning is based on the combination of the winning symbols seen on the front of the slot machine when the spinning stops. The number of wining combinations differs from game to game and may reach up to 24 or more.

The oldest casino slot games were 1-reel slots with fruit symbols. The next step was the creation of 3-reel, 5-reel and 7-reel slots. The first multi-reel slot machines were:
• Thunderstruck
• Spring Break
• Ladies Night

First online slot games came into existence at the end of the 20th century, as soon as the first online casinos, offering an abundance of online casino games, started to appear. First casino slot games emulated traditional slot machines and had 1-3 reels and 1 payline. The online slots of today combine the features of the traditional slots with many innovations, such as additional reels and dozens of paylines, to say nothing of the variety of slot symbols used in present day casino slot games. The opportunity to track the payout percentages of certain games allows online players to choose casino slot games with highest payouts and minimum bets, if necessary, as to hit the jackpot for instance, you still have to bet the maximum coin.

The work of modern video slots is based on random number generator, working out up to a thousand random numbers per second, so the only actual thing which influences the gaming result is the time when you press the button. The sum of the winning depends on the maximum winning limits and the rules of a given game and the online casino you are playing at.

One more innovation in casino slot games is linked machines, connected with each other to produce the biggest progressive jackpot possible. The jackpot in such casino slot games is the biggest, as all slot machines in the network contribute to the wining pool. Many casino slot games allow a lot of variations in bets, with the coins ranging from $0.01 to $5. Though online slots are at the height of their popularity nowadays, they yet have a great potential for development, as dozens of new casino slot games offering new unbelievable gaming opportunities spring up every month.