How to choose the best online slots

Online Slots - best slot games online

Time to talk slots: the staple casino game that has been around since the nineteenth century in the form of those traditional 3-reeled slot machines, and arguably the most popular form of casino game online. Thanks to technological developments and the creative minds of several game developers, online slots have become even more entertaining nowadays. Although the principal behind them remains the same as it was with the traditional fruit machines (you have to land on certain identical symbol combinations), the ways of unlocking wins as well as the win potential itself have become so much more exciting when you play these games online! So whether you're new to online slots or you're an experienced slot player looking for the most rewarding ones, keep reading our article below to discover the best titles before playing them with the best online casino UK.


£ 300 bonus on first deposit and 30 free spins on first deposit.
Wager-free spins
100% bonus up to £300 on first deposit. 18+. No deposit for wager free spins. Opt-in required. Min £10 first deposit for deposit bonus. 30x wagering requirement applies for deposit bonus and winnings. Max £5 per spin or £0.50 per bet line. Contribution to wagering requirements varies per game.

Types of online slots

Slots come in many forms these days. You can still find online versions of the traditional slot machine, featuring a 3x3 game with those timeless fruit symbols. Sometimes, these online fruit machines come with additional perks or bonus games to step up the excitement. If you love classic slots re-worked into a more modern online game, we can recommend NetEnt's beautifully designed Fruit Spin slot and Just for the Win's Deco Diamond slot in particular.

Onine slots today are normally based on a particular theme, and you'll find all sorts of themes; there are horror slots, fairy-tale slots, Oriental slots, futuristic slots, slots based on popular movies - you name it, and you're likely to find it! What's more, these days you don't have to stick to the traditional 3x3 format; A lot of online slots feature 5 reels and 3 rows, but there are many slots that also come in a different format altogether, featuring multiple ways to win as well as a different game mechanic, such as a cluster pay mechanic (such as the cute Reactoonz slot) or a swirling reel (check out the recent Finn and the Swirly Spin slot!).

With so much variety out there and so much potential for innovation, we believe there's never been a better time to play online slots. You can now play most slots both on desktop and on any mobile device, as both developers and casinos are optimising these games for mobile.

Online slot developers

Because of the massive popularity of online slots, the number of slot providers or game developers is growing every year, which leads to the release of new slot games every week. But it's important to remember that not all game developers and their online slots are of equal quality and deserve your time and money. Some of our most favourite providers who have proven to be trustworthy by launching high-quality entertaining games with decent payouts are NetEnt, Playtech, Microgaming, Yggdrasil, Play'N Go, Quickspin, and Elk Studios. However, this list is not exhaustive, since there are also some new developers that are coming up with innovative slots that are worth a few spins. In order to discover about new developers and their creations, we recommend you have a look at some of our game reviews at CasinoHawks, because we only choose to review games which we can honestly recommend.

Best Online slots in the UK casino


£ 300 bonus on first deposit and 30 free spins on first deposit.
Wager-free spins
100% bonus up to £300 on first deposit. 18+. No deposit for wager free spins. Opt-in required. Min £10 first deposit for deposit bonus. 30x wagering requirement applies for deposit bonus and winnings. Max £5 per spin or £0.50 per bet line. Contribution to wagering requirements varies per game.

£ 100 bonus on first deposit 140 bonus spins. New eligible UK players only. 40 no deposit spins on sign up. Select Casino offer on sign-up and deposit. 4 deposits of £10, £20, £50, £100 matched with a bonus cash offer of same value (14 day expiry). 35x real money cash wagering (within 30 days) on eligible games before bonus cash is credited. Spins credited upon deposits; under £50 =10 Spins, £50 or over =25 Spins; on Book of Dead only (3 day expiry, winnings paid in cash).

Best online slots

Because slot games are in such high demand and many online casino players always want to try out something new, game developers keep releasing new games on the market to cater to various tastes. Does it mean that you have to try them all? Not necessarily! If you're relatively new to online slots, it's always your best bet to start out with the most famous and popular slots, because normally they've earned their reputation for a reason!

Some of the best slots online that we highly recommend are the following:


£ 50 bonus on first deposit and 200 free spins on first deposit. New customers only. Min £20 deposit. 200% up to £50. 37.5x wagering requirement on 1st deposit. Bonus package expires after 30 days.

Highest jackpot slots

When you consider which slot to play online, there are many things you can take into account, such as unique bonus features, the quality of the graphics, unusual themes and interesting ideas. But if you really think about it, you'll also admit that in the end, we all play for a chance of winning, and preferably win a lot! If you wish to receive a life-changing prize that amounts to hundreds, thousands or even millions of pounds, you should go for slots with progressive jackpots. There are slot games which are linked to a jackpot that keeps growing as more and more players play it online, and most of them have already turned tens if not hundreds of lucky players into millionaires.

Find the biggest progressive jackpot slots online

 

Among the best progressive jackpots, we can point out games such as Mega Moolah, Mega Fortune and Mega Fortune Dreams, Hall of Gods, Arabian Nights, Joker Millions, Gladiator, NetEnt Wonder series, Playtech's Hall of Gods series.

If you want to know more about the progressive jackpot online slots read this article here.


Online slots bets and RTP

Some of the less fun but crucial things to consider when you're choosing online slots are betting ranges, volatility, return to player percentage and hit rates. It all might sound like mumbo-jumbo, but understanding these things can make a lot of difference and save you a lot of money.

Betting range is simply how little or how much money you can bet on a slot. Wider range slots allow different kinds of players with various budgets to try out the slot game and see how it performs before betting more money. We also suggest that beginners try to get access to play for fun free slots to understand the mechanics and payout structure of the slot before risking their own money. You can do this at many online casinos these days; simply browse for the slot in the game browser and choose to play for free.

Hit rate or frequency is used to describe how often a slot machine will stop on a winning combination. Usually, the machines with higher hit rate allow you to win small amounts often, whereas the low hit rate slots can award massive prizes but it can take quite a number of spins to trigger these prizes. You can discover games with a good slot hit rate here.

Return to player rate (RTP) is a percentage measurement that tells you how much profit is set for the slot. An RTP of 95% means that the average amount that a player gets back is 95p per every invested £1, but that does not apply to one player, but to all players who bet on the slot. RTP is the opposite of the house edge, or how much money the house will take on average. If the game's RTP is 96.2%, the house edge will be the remaining 3.8%. You can view a handy list of slots with high RTP here.

Volatility or variance is a ratio of size to the frequency of a slot’s jackpots. The higher the volatility, the more you can win and the more you can lose as it represents a greater risk. Low volatility games sometimes considered a better option for newbies with lower budgets, who don't feel like risking too much.

If you want to learn more about the terms used for slots and casino gameplay overall, you can read our handy casino terms guide here.

Play Mega Moolah slot at Casumo casino

£ 25 bonus on first deposit and 20 no deposit free spins. New customers only. Min £10 deposit. 35x wagering requirement on bonus + deposit amount within 30 days.

Where to play online slots

There are thousands of online casinos on the UK market that will let you play and win. But there are a few important things to remember when choosing the right casino for you. Try to go for a casino which is reliable, trustworthy and safe, has a wide range of casino games and slots and is ready to be generous by giving you a decent welcome bonus with your first deposit and a lot of extra free spins as well. In this review, we've listed some of the best online casino bonuses in the UK. You can play any of the above-mentioned slots with one of the casinos in our best payout online casino UK list to take advantage of the best bonuses and rewards schemes. Nowadays, online casinos are also offering free spins no deposit bonuses on online slots, which give you the opportunity of winning some real money without even making a deposit, and the best casinos are also offering excellent loyalty programs and a reward scheme to keep rewarding existing players for returning to the casino.


£ 100 bonus on first deposit 50 extra spins.
wager-free spins
New customers only. Min. £10 deposit. Max. bonus £100. 40x wagering requirement on bonus amount within 30 days. Bonux max bet £5. Extra spins are wager-free on Second Strike slot only. Spins paid in batches of 10/day over 5 days and expire after 24 hours.

£ 200 bonus on first deposit and 200 free spins on first deposit. 18+, New Customers Only. 10 Free spins on registration. Deposit £10 or more and receive 40 free spins; Deposit £50 or more and receive 90 free spins; Deposit £75 or more and receive 140 free spins; Deposit £100 or more and receive 190 free spins. 35x wagering applies on bonus & free spins winnings.

200 no wagering free spins on first deposit. New UK players only. Spins only available on Starburst. Deposit and play £25 on selected games and get 25 spins OR; Deposit and play £100 on selected games and get 100 spins OR; Deposit and play £200 on selected games and get 200 spins. Spins expire after 3 days. 14 days from registration to claim offer. Players may withdraw their cash deposit or any remaining cash deposit and any cash winnings. If this is withdrawn, the spins and any winnings will be forfeited. All winnings from the spins will be paid out in cash.


50 Spins + £1 on Dream Catcher + 20 Coins
New UK customers only. Min. £20 deposit. £1 on Dream Catcher is wager-free. Extra spins awarded in batches of 10/day on selected slots and must be wagered 35x in 30 days. Each reward needs to be collected via the 'Rewards' section every day, and will be available to claim for a period of 24 hours only.

£ 100 bonus on first deposit 140 bonus spins. New eligible UK players only. 40 no deposit spins on sign up. Select Casino offer on sign-up and deposit. 4 deposits of £10, £20, £50, £100 matched with a bonus cash offer of same value (14 day expiry). 35x real money cash wagering (within 30 days) on eligible games before bonus cash is credited. Spins credited upon deposits; under £50 =10 Spins, £50 or over =25 Spins; on Book of Dead only (3 day expiry, winnings paid in cash).

Discover new online slots with CasinoHawks

Here at CasinoHawks, we're always playing and reviewing new online slots even before their release date, in order to be able to inform players whether an online slot is worth trying out or not. Stop by regularly to discover what's new on the market, and have a look our article on new online slots 2018 to see our recommendations for this year and at which online casinos you can play them. Then, simply click on a link to the casino of your choice, grab a free spins bonus and start spinning! We wish you the very best of luck!


£ 300 bonus on first deposit and 30 free spins on first deposit.
Wager-free spins
100% bonus up to £300 on first deposit. 18+. No deposit for wager free spins. Opt-in required. Min £10 first deposit for deposit bonus. 30x wagering requirement applies for deposit bonus and winnings. Max £5 per spin or £0.50 per bet line. Contribution to wagering requirements varies per game.

 


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