Online Slots

Online slots are one of the most popular online casino games around. The best online slots sites give you access to hundreds of different slot games from some of the best providers in the world. Read on for everything you need to know about online slots.

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Every online gambler deserves a safe and fair place to play. Our mission at Gambling.com is to create a safe online environment for players through free, impartial and independent reviews of the UK's best online gambling companies so that you can play with confidence and security. All ratings and reviews are made independently of the operator by our team of gaming experts and with every company being fully UK licensed they can be trusted to offer fair play. We accept compensation from the companies advertised on this page and this may affect the brand positioning. We endeavour to continuously update this list so we can bring you the most current sites and the best available offers but we cannot review every site in the market.
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Guide to Online Slot Games

Brick-and-mortar casinos just wouldn't be the same without the electric buzzing and beeping of slot machines. Winners jump for joy as their winning coins rattle against the payout tin and the whole thing has a certain old-school charm about it.

These days it is more about online slots and playing on the device of your choice. The principles remain the same and winning is just as fun, you simply don’t need to travel anywhere. Online and mobile casinos have captured the public’s imagination and they will just continue to grow in popularity.

Online slots can be played anytime and anywhere. You just need an online casino account and your favourite games are ready and waiting for you 24/7 no matter where you are in the world. Simple, convenient, mobile-friendly and high volume- online slot games deliver what gamblers want.

Most Common Types of Online Slots

Slot games, in general, have come a long way from the early days' fruit machines, and the move from real-life slots to online slots continues that growth. Now players can enjoy many different online casino slot options: video slots, 3D slots, progressive slots, 243-payline slots, slots designed to mirror popular video games, and even virtual reality slots.

Online video slots allow for a diverse range of gameplay, from games that imitate classic slots, to more hi-tech video slots. Players can also enjoy titles using 3D graphics as well as progressive slots, where a rising jackpot is tied to all those playing the same game. Whereas classic slots often feature recognisable symbols from fruit machines, video slots often create their own symbols and icons based on a specific theme.

Most online slot games follow the popular 25-playline structure with some variations. But thanks to digital slot games, players can also enjoy up to 243 ways to win, this can only happen with online slot games.

A number of video slot developers licence characters from existing films, TV shows, and comic books. Following Marvel's purchase by Disney, Playtech turned to DC Comics to team up on a line of slot titles from their epic collection of characters as well. NetEnt is a major slots games provider and they have helped to create some of the most popular slot titles in the industry.

How Slots Work Online

Understanding slot machines helps players better prepare for success when spinning those digital reels. Read on to better understand how online slots work, or check out our free slots reviews to try them out.

Understanding Slot Reels

The virtual "reels" of online slot games are generated by the software program that randomly delivers the symbols with each spin. The symbols of online slots can appear in any random order.

What are Paylines?

"Paylines" are the different ways an online slot player can win on a spin. UK online slot games feature up to 243 ways to win depending on the number of reels and title you're playing. Players can choose how many lines they wish to play and in which combinations they want, as well as deciding how much money to place on each line. E.g. if a slot offers 25 paylines, you can choose to bet on 10 and select any combination you want like 1-5 and 14-19.

How Many Reels and Paylines Do Online Slots Have?

The standard classic slot machines had 3 reels, with one payline across the centre. Online video slots offered game designers the chance to expand on both of these. 5-reel games have become the standard for many online casinos, while a game can offer anywhere between one to 243 paylines, going forwards or backwards, as well as creating various diagonal shapes. Some slots even offer more than 243 paylines but these are pretty rare.

How Much Can You Bet On an Online Slot Game?

This can depend on a few factors like min/max bet limits and the game rules. You must bet at least the minimum and remember that all wins read from left to right. You could bet £1 on 25 paylines so this costs £25. Payouts can range from 10x to 2000x. The ‘x’ figure is the number of times your single line bet will be multiplied. Match three, four or five symbols and you’re a winner.

Slot Game Bonus Features

In addition to wins using only standard symbols, online slots feature a wide array of bonus icons and rounds, which improve a player’s chance of success, while also adding some variety to gameplay. The most commonly used slot game bonus features include Scatters, Wilds and Multiplier bonuses.

Advantages to Online Slots

Common Misconceptions About Online Slots

There are many myths and rumours that surround the online slot machine. Are they programmed to pay out at specific times? Do they pay out less after a player wins the jackpot? Let’s have a look at the misconceptions that characterise most people’s views of online slots.

Progressive slots are popular as they usually offer the biggest payout possible, sometimes millions. These slots take a small amount out of each player’s stake and put it towards an accumulating jackpot, which keeps growing until someone wins it. It can be won by any player once the amount reaches a certain figure. With thousands of players contributing, the prize pot can become huge. One random player will win the whole amount and the prize pot will start building up again.

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