Slots have quickly become the most popular source of fun within the gambling community. If you are among those many people who love playing slot machines, then you must have been wondering exactly how many slot machines are available to play? Before we give you the answer to that question, let us take you on an interesting journey across the history of slots.

History Of Slots

Coin machines developed simultaneously in England and the USA in the last decade of the 19th century. The slots of the period 1900-1960 consisted of a slot to insert a single coin, a window revealing three reels containing a variety of symbols, a pull handle initiating the sequence of spinning the mechanical reels, payouts for lining up certain combinations of symbols and automatic payout in coins from the machine.

What Is A Slot Machine?

A slot machine is a coin operated game consisting of spinning reels filled with symbols. Players wager coins against each spin, and if matching symbols fall across a designated line, the players win a return on their bet based on the rates in the pay table. Electronic slot machines are usually far more advanced and can include many extra features such as special bonus rounds, enhanced gameplay and the chance to earn free spins or enter a mini-game and potentially scoop a jackpot prize.

What Are Online Slots?

There are land-based slot games as well as video games played with a computer. Some modern slots games are a combination of both. Players wager on a number of win lines across the reels, usually reading left to right, and they aim to get matching symbols on one of those win lines.

Any slot game available to play through a computer or mobile can be referred to as online slots, of course an internet connection is also required. These slots are usually more complex versions of standard slot machine games, with additional features and bonus rounds.

Internet-based slots are one of the most popular forms of virtual gambling, therefore there are thousands of different games and themes for players to choose from. The basics of these online slots are not that different to traditional slot machines found in casinos and arcades, but they offer more reels and additional game features to make play more exciting.

How To Play Online Slots?

Players usually have the option of adjusting their bet by a coin multiplier value and also of selecting how many lines to play per spin. The prizes paid out are adjusted according to the bet placed. Some casinos offer free-to-play option for some games as part of a promotion. This demo mode allows players to use a virtual balance and see the features and rewards. Unfortunately, the rules also apply to demo play wins which are not real and cannot be withdrawn.

How To Win Online Slots?

Many of the online slots have bonus rounds, which are often sets of free spins or a mini-game for the player. They might involve selecting symbols, or a round of play with sticky wilds or enhanced reels. The prizes for online slots are often some of the biggest available from an online casino, especially as many slots feature community jackpots or progressive jackpots as well as the reel prizes.

Most Popular Online Slots

Obviously, you can’t go through all online slots while deciding which one best suits your needs, as there are too many, and new ones just keep coming. So, our advice is to follow the popular opinion and check out some of the most played games online. Here’s our pick:

Gonzo’s Quest

Gonzo’s Quest – The Search For Eldorado is one of the more recent online slots from Net Entertainment and it tells the tale of our hero, Gonzo, and his search for the legendary city of Eldorado. This slot is a five reel, twenty payline machine that looks great on every level, with excellent graphics and a scene of jungle and golden Aztec pyramids in the background. Gonzo’s Quest offers a couple of interesting features, but the most interesting one by far is the Avalanche Multipliers feature during which the reels move in a cascading manner resembling an Avalanche.

Jack Hammer

Jack Hammer combines the joy of playing slots with the entertainment of comic books and takes the players through a fight between superhero Jack Hammer and the Evil Dr. Wüten. Played on 15 reels and 25 paylines, this slot comes with a Sticky Win feature where winning symbols lock in place with free respins awarded if more of the same symbol land. The main attraction is the Free Spins feature where you can play with up to 30 free spins.


Fortunium is a 40-payline slot that is played on a 5×5 reel set. Playable from 10p a spin on all devices, this portrait focused game has a steampunk theme and a lot of interesting features. For example, there’s a Mystery Symbols feature where Mystery Symbols can transform into any symbol including the wild.

How Many Slot Machines Are Available To Play – Online and Offline?

After the second slot machine was released their number kept growing over the years. Today, there are thousands of slots all over the world, and their number keeps growing. There is no full register which includes all slot games, so we’d have to give you an approximate number of around 3.500.

Given that there are new companies being established on a regular basis and new games are launched all the time, the exact number is not something that can be easily determined.

There are casinos that offer few to several hundred online slot games, and some even have around 1,000 slots or even more in their portfolio. We should say that quantity isn’t the only thing that matters, in fact, it is a lot more important for a casino to have popular, top-notch games with a higher RTP percentage that players will enjoy.


As we said before, how many slot machines are available to play is not something that can be precisely determined. However, what players should find more important is that there is a highly sufficient number of quality games that guarantee lots of fun.

The choice is yours – thanks to the variety of themes and options, you can go on thousands of adventures and explore the wide world of online slots!

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