Best Slots Welcome Offers

Finding a good bonus offer to play slots games in an online casino is easy. Pretty much every online casino offers a tasty welcome offer to whet your appetite. Once you have signed up, you’ll have even more promotions and special offers thrown at you to keep you there for the long haul. The choice can be a bit overwhelming, so we’ve analysed and compiled the best online slots bonuses out there right here on this page.

Choosing The Best Slot Games For You. Choosing a suitable slot for you can be a daunting task when you’re faced with a collection of top slot machine games that offers hundreds or even thousands of titles to choose from. Slots are generally divided into classic 3 reel games and 5 reel video slots. Best Slots Sites with Free Spins Offers - Updated: October 2020 Find the slots sites with the biggest & best free spins/bonus spins welcome offers today. We use cookies to analyse traffic and for ad.

The 3 Best Online Casino Bonus Offers for December 2020
NameSlotsBonusFeaturesButtonT&C
Mansion216 SlotsUp to £500Welcome OfferUnique PromotionsPlay here!Full T&Cs apply. New customers only. Min deposit £20 max bonus amount £500. First deposit: 100% up to £200. Second deposit: 50% up to £300. Wagering 40x for each bonus. Game weighting applies. Cashback: 5% cashback on first and all other deposits during week 1, 10% cashback on all additional deposits taking place in week 2 only. Bonus betting limits: slots - £5 all other games - 10% of bonus amount.
Betway Casino431 Slots100% up to £250Welcome BonusUnlimited ValidityPlay here!Full T&Cs apply. *New customers only. Opt-in required. 100% Match Bonus up to £250 on 1st deposit of £20+. 50x bonus wagering applies as do weighting requirements. Debit Card & PayPal deposits only. Irregular gameplay may invalidate your bonus.
Dunder1099 Slots100% up to £100 +120 Free SpinsFrequent PromotionsPlay here!Full T&Cs apply. Minimum deposit: £20. 20 spins in Book of Dead on reg. 100% bonus up to £100 and 100 bonus spins. First 50 bonus spins credited on deposit, Second 50 bonus spins credited the following day. Valid on first deposit only. Wagering on reload bonus: 60x. Wagering on bonus spins: 30x. Wagering must be completed within 30 days. Max bonus bet £5. Bonus is valid for a total of 21 days. Game weighting and standard bonus terms apply.

What to Expect From a Slots Casino Bonus

Online slot machine players get the best deal when it comes to online casino offers. Generally speaking, all welcome offers can be used to play slots games. Some casinos stipulate that you can’t use the extra cash on other casino games such as roulette and blackjack, or perhaps only a small percentage. However, it’s always wise to pay attention to the terms and conditions.

Many online casinos match your first deposit up to a specified amount. This money is often added to a separate account so you can play, but not withdraw from it. You may also have to fulfil wagering requirements to unlock the offer (and the winnings made with the bonus money). You’ll find the most common online slots bonus types below.

Free spins are often included as part of a slots welcome package. This is a popular way of enticing new players to a casino because you get a chance to try out the slots games for free while potentially winning real money. There is a slight catch; you’ll still have a number of play-throughs to satisfy even if you get lucky building a bankroll with a promotion such as this.

Online Slots Casino Bonus Codes

Bonus codes are used to distinguish offers from each other – like a no-deposit bonus for new customers or a special online slot machine bonus. Online casinos can also use these codes to determine where a new player has been referred from, and as such, partners can stand to profit from the referral. Many online slots bonus codes have the intention of enticing players to the newest slot sites, but some are incentives for existing players. They can unlock the best bonus slots casinos have to offer.

Bonuses for Specific Payment Methods

All welcome bonuses can be used to play online slot machines, which means it’s rare to find additional offers for this type of game. However, it’s possible to find promotions related specifically to the type of payment method you are using. New payment methods are springing up all over the place, and online casinos are keen to get on the bandwagon to ensure making deposits is as easy for you as possible. Offering an online slots bonus for depositing using a certain payment method is a novel way to encourage your participation. For instance, 888casino offers bonuses for paying with PayPal.

No-Deposit Casino Bonuses

A no-deposit bonus gives you the chance to sign up with an online casino and start playing without depositing money. It’s a great way to get your foot in the door and test out the slots games on offer. This tends to be the best slots welcome bonus you will find, and it’s often a deciding factor when a punter decides to join an online casino.

Double Your First DepositWith a bonus of up to £200
Full T&Cs apply. New players, £10+ deposit required. No e-wallets/prepaid cards. 30x Playthrough on Bonus and 50x on Free Spins winnings.

There are plenty of generous offers out there to choose from, but it’s important to consider the finer details when assessing which no-deposit bonus suits you best. Sometimes the offer doesn’t take the form of real cash, and you may have to wager a minimum amount of times in order to access the money.

Free Spins for Slots Games

No-deposit free spins enable you to play for free after signing up at an online casino. You can play immediately and in order to get your hands on your winnings you may need to match the minimum wagering requirements. Some casinos take a different approach by requiring you to make a deposit before getting your free spins. In this instance, the amount of free spins on offer may be determined by the amount you deposit. Wagering requirements will apply.

Wagering Requirements

Most slots signup bonuses – such as the types on this detailed list on Wikipedia – don’t mention the wagering requirements until you get down to the small print. Keep an eye out for this because it is very common. You will normally only unlock the stated bonus – and the winnings made with the cash– once you have wagered a specified amount of times. If you are told the wagering requirements are 20, and the bonus is £50, you have to wager 20 x £50 = £1000 before you can get your hands on your winnings. Additionally, some casinos insist that you must wager the combined total of the amount and the amount you deposited.

Wagering requirements also tend to apply to free spins. For example, if you win £100 using free spins, a wagering requirement of 30 dictates that you have to wager £100 at least 30 times before being allowed to withdraw your prize. You should always read the terms and conditions to avoid a misunderstanding.

Declining the Bonus Offer

The terms and conditions associated with online casino bonuses are enough to scare some people off. The advantage of playing without a bonus is that you can withdraw your winnings at any time, instead of complying with a wagering requirement you may never meet.

If you are keen to play without the online slot machine bonus then we’d advise you to contact the casino’s customer services before signing up and making a deposit. This is because some welcome bonuses are automatically credited to your account. Most of the time they are not, and in such cases, you simply have to uncheck a box when signing up.

FAQ’s

How Can I Get the Best Slots Signup Bonus?

Aside from the amount on offer, look for a bonus offer with reasonable playthrough requirements. If you have to wager your deposit amount over 50 times before being able to withdraw any winnings, then you should be sure you are in it for the long haul. Keep an eye out for deals being offered by other online casinos, and always read the terms and conditions. You can also head to our best online casino ranking to further inform yourself about online slots casinos.

What is a Bonus Hunter?

A bonus hunter is someone who stalks online casinos and regularly jumps ship to sign up for the best bonus slots offers around. It’s something frowned upon by most casinos, and it can lead you to become blacklisted.

  • Best Slots Bonus

If you enjoy playing slots and are looking for a bonus which is going to give you more for your money, then you’ve come to the right place. There’s lots of slot bonuses available at online casinos and we’ve hunted down the best slot bonus, UK offers and promotions that you can take advantage of. There’s plenty to choose from with so many casinos offering deposit bonuses and there’s even some free online slots offers available to spin the reels. To make sure we only recommend the best, we have played the games and gone through the small print of the bonus terms and conditions with a fine toothed comb, so that you can make a fully informed choice of the best slots bonus in the UK to match your needs. We’ll look at the various types of bonus for these games that you can find at online casinos and more importantly, where you can get them. Let’s start off by revealing the best slot bonuses you can get in UK online casinos.

Slot SiteRatingSlot BonusHighlightsSecure LinkSlot Bonus Terms
The Grand Ivy4.9 / 5£1500 + 100 Bonus SpinsTop Slot Bonus Pack, Great Free Spin BonusGet the Best Bonus!Full T&Cs apply. 18+. New players only. One bonus offer per player. Minimum deposit £20, max bonus bet is £5, bonus spins on selected games only and must be used within 72 hours. Bonus funds must be used within 30 days otherwise any unused bonus shall be removed. Bonus funds are 100% match up to £300 on your 1st deposit, 25% match up to £800 on your 2nd deposit, and 50% match up to £400 on your 3rd deposit. Bonus funds are separate to cash funds, and are subject to 35x wagering the total bonus, cash & bonus spins. www.begambleaware.org.
PlayOJO4.8 / 550 Free SpinsNo Wagering Conditions, Free Spin Bonus for Slot GamesGet Bonus!Full T&Cs apply. 18+. For Every £1 you deposit, 1 free spin will be credited. Up to 50 free spins on Book of Dead. Min. deposit is £10. Offer only available for first time depositors. After your first deposit you may claim an additional 30 free spins in the Kicker section. Extra free spins must be claimed within 3 days. Game: Rich Wilde and Book of Dead Spin Value: £0.10. OJO’s Rewards and Game Play policy applies.
Betway4.8 / 5£50 100% Match BonusBest Slot Mobile App, Top UK Slot BonusGet Bonus!Full T&Cs apply. 18+. United Kingdom - New customers only. Opt-in required. 100% Match Bonus up to £50 on 1st deposit of £10+. 50x bonus wagering applies as do weighting requirements. Debit Card & PayPal deposits only. Irregular gameplay may invalidate your bonus. This offer is valid for 7 days from your new account being registered. Full Terms apply. 18+. BeGambleAware.org. Bet The Responsible Way.
Grosvenor Casino4.8 / 5£20 Welcome BonusEstablished Operator with Great Reputation, Low Wagering RequirementsGet Bonus!Full T&Cs apply. 18+. First deposit only. Min. £20 deposit. 5X wagering requirement.
Casimba4.7 / 5£500 + 50 Bonus SpinsBig Welcome Bonus on First Deposit, Colourful Slot SelectionGet Bonus!Full T&Cs apply. 18+. New players only. 1 bonus offer per player. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Bonus funds expire in 30 days, unused bonus funds will be removed. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds count towards wagering contribution.
Mansion Casino4.8 / 5£500 + 10% CashbackPlaytech Slots, Roulette & Blackjack, Regular Cashback Casino BonusesGet Bonus!Full T&Cs apply. 18+. New customers only. Min deposit £20 max bonus amount £500. First deposit: 100% up to £200. Second deposit: 50% up to £300. Wagering 40x for each bonus. Game weighting applies. Cashback: 5% cashback on first and all other deposits during week 1, 10% cashback on all additional deposits taking place in week 2 only. Bonus betting limits: slots - $/£/€5 all other games – 10% of bonus amount.
DreamVegas4.7 / 5£400 + 50 Bonus SpinsOngoing Slot Bonuses & Promos, Latest Slot Site for the UKGet Bonus!Full T&Cs apply. 18+. New players only. One bonus offer per player. Minimum deposit £20. Max bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Bonus funds must be used within 30 days otherwise any unused bonus shall be removed.
NetBet4.5 / 5£200 + 10 Free SpinsGreat Mobile Platform, Established British OperatorGet Bonus!Full T&Cs apply. 18+. New players, £10+ deposit required,no e-wallets/prepaid cards,30x Playthroughon Bonus and 50x on Free Spins winnings.
Fun Casino4.5 / 5£998 + 111 Fun SpinsLatest Slot Site for UK, Big Welcome Bonus OfferGet Bonus!Full T&Cs apply.*New players only - Maximum bonus is £123 - Max bet with bonus is £5 - No max cash out - Wagering is 50x - Skrill & Neteller excluded - Eligibility is restricted for suspected abuse - Cashback is cash, so no wagering - Cashback applies to deposit where no bonus is included.
888casino4.7 / 5£100 + £88 FreeTop-Rated No Deposit Casino Bonus, Exclusive Slot GamesGet Bonus!Full T&Cs apply. 18+. New players only • No Deposit Offer: Claim in 48 hrs • 14 day expiry • FP wins are credited as bonus and capped at £10, exc. JP win • 50x wagering • Deposit Bonus Offer: £20 min deposit with code • Valid for selected games only • Bonus wins capped at £500 • 30x wagering – req. vary by game - in 90 days • UK only - deposit balance is available for withdrawal at any time • Withdrawal terms, No Deposit Offer terms & Deposit Bonus Offer terms apply.

Best Slot Bonus Offers for UK Players – 2020 List

Online casino fans know that there are different slot bonus UK offers all over the internet. However, bonus hunters know that they need to look into the details – the wagering conditions, the free spin bonus and the slot games on which you can use them, the validity, and so on. Even if you are looking for a quick spin, finding the online slots with the best bonus takes some time. This is why we have set out to help British players with our list of the best slot bonus UK offers for 2020:

Best
  • The Grand Ivy – £1500 Bonus Pack (Best Slot Bonus)
  • PlayOJO – 50 Free Spins (No Wagering Slot Bonus Offer)
  • Betway – Up to £50 (Best Slot Bonus for UK Players)
  • Grosvenor Casino – £20 (Safest UK Slot Site)
  • Genesis Casino – £100 (New Slot Bonus Offer)
  • Casimba – £500 on First Deposit (Best Deposit Bonus for Slots)
  • Sloty – £300 Bonus Pack (Best Free Spins Offer)
  • DreamVegas – £400 Bonus Pack (Top Slot Game Selection)
  • NetBet – Up to £200 (New Slot Bonus Offer)
  • Fun Casino – Up to £998 (New Slot Bonus Offer for UK)

So how did these slot sites get our list of the best of the beest? For starters, they all offer a generous matched bonus when you make your first deposit. Secondly, in addition to the first deposit bonus, most of theese slot casinos offer a free bonus for playing slots. So you can even try out what each casino has to offer before parting with your hard earned cash. We found the bonus wagering conditions favourable at all of our best slot sites. Probably most importantly, their choice of slots left little to be desired. All have exciting themed games on offer, and some huge progressive jackpots to be won. It goes without saying that the casinos we chose are licensed and regulated by the UK Gambling commission, so provide a 100% safe and secure playing environment.

Types of Slot Bonuses

There are various kinds of slot bonuses available. There are several types of slot offers available for new players upon joining a casino. The really good casinos also look after their loyal customers and offer them the best slot bonus, UK offers and so on, only to make sure that there is always something their players can benefit from. Here are the slots bonuses that you will find at online casinos.

First Deposit Bonus – This is the most common type of bonus you can find. With so much choice of online casinos, operators offer these welcome bonuses as an incentive to choose their casino. The amounts vary from one casino to the next, and sometimes apply to your first deposit only, whereas some offer a package deal where your subsequent deposits will also be rewarded with a bonus. 888 Casino offer players a 100% bonus on their first deposit, up to a maximum of £100. Betfair Casino will give you up to £50 welcome bonus on your first deposit. Mr Green offer a welcome bonus that comes in 2 parts. Not only can you get £100 on your first deposit, but you can enjoy an amazing 100 of bonus spins.

No-Deposit Slot Bonus, UK – Some operators will give you a free bonus to encourage you to play at their casino. These can be a great way to test out the casino and its games without parting with any of your own money. You’ll find some operators offer their free slots bonus for all games, whereas some give you access to a selected set of games. This gives you a great chance to either try your luck on 1 particular slot, or have a spin on a few, to see which you like best. 888 Casino give their new customers a whopping £88 for free. You get to choose between 3 slots to play with this bonus, Party Pigs, Snack Time and the infamous Millionaire Genie.

Free Spins – Another type of free welcome bonus you will find for slots is free spins. As the name suggests, you are given a set number of spins to play certain slots, and you do not need to make a deposit to benefit from the offer. Simply register and your free spins will be waiting for you to play with. Any winnings you make with the free spins will be added to your bonus account, giving you more chances to play and win. Many of the best online casino bonuses in the UK include free spins.

After you’ve benefited from your welcome bonus, there are various ongoing promotions that give you more bonuses to play your favourite games. These vary from one operator to another and include the following:

Bonus spins – These are free spins that are given for making a deposit. The more you deposit, the more bonus spins you are awarded. Any winnings you make with your bonus spins become a bonus that you can play with, giving you lots of extra play and more chances to hit the big jackpots. You’ll find this type of bonus available every Tuesday at Mr Green. Free spins can be part of any other bonus, as well. Many casinos add them to the first-deposit offer or other promotions.

  • Slot tournaments every weekendCash drops with real money prizesBonus spin promotions each weekTotal jackpots over £20 millionHuge variety of slot machines
  • 200 Bonus SpinsPlay for free on selected gamesPart of the welcome offerBonus valid for 30 days
  • ApprovedGet Your Bonus!
Full T&Cs apply. 18+. Terms and Conditions apply. New players only. 35x wagering applies to Bonus Cash and Bonus Spins. Deposit of £20+ unlocks a 100% Match Bonus up to £100 in Bonus Cash, subsequent wager of £20+ on slots unlocks 100 Bonus Spins and 20 Bonus Spins per day over 5 days on selected games. BeGambleAware.org.

Free Play – This is where casinos will give you a free play bonus when you make a deposit. This gives you extra bonus funds to play a selection of games. You will find this type of offer at 888 Casino, as part of their daily deals promotion. For example, when you make a deposit on a Monday, you’ll get up to £150 free play to use on a choice of 5 of their progressive jackpot games. Of course, when you get a free play bonus, you have more opportunities to play and win the big prizes.

Cash Drops – This is a promotion that gives you the opportunity to win even more money by playing a specified game. You will find cash drop promotions running regularly at Mr Green. When you play a specified slot on the day of the offer, you can win extra prizes of between £5 and £250. Mr Green randomly selects players who have participated in the cash drop game and credits their accounts with the extra money. The great thing about Mr Green’s cash drop promotion is that when you win these bonus prizes, they are credited to your account as real cash, they have no wagering requirements attached. So it’s your choice whether to withdraw your winnings, or use them to play more games and try to win even bigger prizes.

Slot Tournaments – This is a type of competition that runs on a particular selection of slots, with prizes available for the winners. Mr Green have slot tournaments every weekend. You simply play any of the slots that are included in the tournament, and the 5 players with the highest percentage win over 20 consecutive spins throughout the competition will be rewarded with cash prizes. As with cash drop prizes, you will be credited with real cash.

Best Slots Online

Bonus Wagering Requirements

Casinos offer some of the best slot bonus and UK offers in order give you more opportunity to play. Therefore, any bonus you accept will come with wagering conditions. You will need to play through your bonus amount a certain number of times before you can withdraw any winnings you have made with it. Different casino games contribute different amounts towards playthrough requirements. The great news with slots is that any money you wager will count 100% towards your wagering requirements. When you compare this to say roulette, which can contribute as little as 5%, or may not even contribute at all at some casinos, then achieving the wagering requirements for a slots bonus is very simple and easy to do.

When you are choosing a bonus, you should ensure you understand the playthrough requirements attached to it. They can vary greatly from one operator to the next. We have seen casinos with wagering requirements of 120x, this is huge compared to our top 3 casinos. Take 888 Casino for example, you will need to wager your bonus amount 30 times in order to withdraw winnings made with it. So if you were to deposit £100 and get the maximum bonus of £100, you would need to wager 30 x 100 = £3000. Far more favourable than the £12000 you’d have to wager with a 120 x requirement!

You should also check how long the bonus is valid for. For example, at Betfair Casino, your first deposit bonus is valid for 7 days. This will suit the players who intend to play a lot of slots over short period of time. For those players who would like a longer time frame, then it would be better to opt for Mr Green, who give you 30 days to meet your playthrough requirements, or 888 Casino who give you 14 days to clear the free bonus and a massive 90 days for the first deposit bonus.

We’ve put together the bonus conditions for the best online slots offers, to help you decide which best suits your needs and playing style. When it comes to bonuses, it is incredibly important to not get too enticed by large numbers and shiny banners. You should always check carefully about the specific terms and conditions the casino provides. If the bonus amount is big and attractive, you might get attracted by it and rush to deposit money. However, if the wagering requirements are incredibly high and the validity of the offer is so short that it would be impossible to fulfill the conditions, then the offer is not as great as it appears. In the table down below, we have carefully displayed the most important terms and conditions of the bonuses, which our top 7 operators provide.

The Bonus Terms and Conditions of Our Top 7 Operators
CasinoFree Slots BonusRequired Minimum DepositPlay­throughBonus ValidityDeposit BonusPlay­throughValidityPlay here!T&C
NetBet10 Free Spins£1050x7 days100% up to £20030x30 daysClaim & Play!Full T&Cs apply. 18+. New players, £10+ deposit required,no e-wallets/prepaid cards,30x Playthroughon Bonus and 50x on Free Spins winnings.
Mr. Green200 Free Spins£2035x7 days100% up to £10035x30 daysClaim & Play!Full T&Cs apply. 18+. Terms and Conditions apply. New players only. 35x wagering applies to Bonus Cash and Bonus Spins. Deposit of £20+ unlocks a 100% Match Bonus up to £100 in Bonus Cash, subsequent wager of £20+ on slots unlocks 100 Bonus Spins and 20 Bonus Spins per day over 5 days on selected games. BeGambleAware.org.
LeoVegas20 Free Spins£101x3 days£100 Cash35x7 daysClaim & Play!Full T&Cs apply. 18+. Free spins - no deposit required & new players only. Claim within 3 days of registration & 3 day expiry. Free spins worth £0.10 each on Book of Dead, winnings paid as cash. Deposit offers available across any two deposits. Both expire 7 days after registration & have 7 days to wager once claimed. Deposit £10, £25 or £50+ & wager 35x for a cash reward. Only cash stakes qualify & wagering contributions vary. 5 free spins on Book of Dead with each qualifying deposit, 3 day expiry. BeGambleAware.org.
888Casino£88No30x14 days100% up to £10030x90 daysClaim & Play!Full T&Cs apply. 18+. New players only • No Deposit Offer: Claim in 48 hrs • 14 day expiry • FP wins are credited as bonus and capped at £10, exc. JP win • 50x wagering • Deposit Bonus Offer: £20 min deposit with code • Valid for selected games only • Bonus wins capped at £500 • 30x wagering – req. vary by game - in 90 days • UK only - deposit balance is available for withdrawal at any time • Withdrawal terms, No Deposit Offer terms & Deposit Bonus Offer terms apply.
PaddyPower20 Free Spins£10No Wagering24 Hours£5035x7 daysClaim & Play!Full T&Cs apply. 18+. UK & IRL only. Deposits made with e-wallets are not valid for this promo. Bonus wagering x35 on eligible games. Winnings from bonus capped at £500. Spins available after bonus is redeemed/lost. 10 per day with no wagering.
BGO10 Free SpinsNoNo Wagering3 days100% up to £20040x7 daysClaim & Play!Full T&Cs apply. 18+. UK only. Min £10 deposit. Win up to 500 Free Spins from Mega Wheel on 1st deposit. 24-hour expiry. Max bet £2.50, max spins win £8 per 10 spins, max Bonus win £150, selected games & 65x wagering on winnings. No Neteller/Skrill.
PlayOJO50 Free Spins£10No Wagering7 days50 Free SpinsNo Wagering7 daysClaim & Play!Full T&Cs apply. 18+. For Every £1 you deposit, 1 free spin will be credited. Up to 50 free spins on Book of Dead. Min. deposit is £10. Offer only available for first time depositors. After your first deposit you may claim an additional 30 free spins in the Kicker section. Extra free spins must be claimed within 3 days. Game: Rich Wilde and Book of Dead Spin Value: £0.10. OJO’s Rewards and Game Play policy applies.

As you can see, there are plenty of differences beyond the lump sum of the bonus. That is why we don’t always recommend the largest bonus – for new casino players, we would quite often advise them to pick the best slot bonus in the UK with longer validity and lower playthrough.

The Best Progressive Jackpots for Real Money Slot Wins!

One of the biggest draws of playing slots at an online casino is the huge amounts of money that can be won on progressive jackpot slots. There are some truly life changing amounts up for grabs. The largest amount of money ever won on an online slot was a staggering €17.8 million. The lucky winner scooped the jackpot on 20.01.2013, playing Mega Fortune. It is a 5-reel, 25-line slot, with a luxury theme. When 3 bonus wheel symbols appear, the jackpot bonus game is activated. The player then spins the wheel of fortune to win one of 3 jackpots – including the Mega Jackpot! If you fancy trying your luck on NetEnt’s most rewarding game, you can play Mega Fortune with your slots bonus at Mr Green.

Some of our favourite progressive games are Playtech’s Age of the Gods jackpots. There’s a huge assortment of slots featuring iconic Gods from Greek mythology. These include Zeus, Athena, Poseidon and Hercules, amongst others. Each of the Greek God themed games are linked to the Age of the Gods multi-level mystery progressive jackpots. There are 4 jackpots to win, Power, Extra Power, Super Power and the most lucrative Ultimate Power. When you play any of the slots in the series, the jackpot games are triggered randomly, however, the higher the bet the bigger the chances of entering the jackpot game. You do not have to get a certain pattern on the pay line, in fact, even a no win spin can trigger the jackpot game. Once the jackpot game is started, you are guaranteed to take home one of the 4 jackpots. You’ll see a grid of 20 squares which hide different jackpot symbols. You click on the squares to reveal the various jackpot symbols. Once you reveal 3 matching symbols, that is the jackpot prize you win. You can play the Age of the Gods jackpot games with the best slot bonus in the UK, right there, at Betfair.

The great thing about finding a good bonus is that it will give you extra chances to play and win these big progressive jackpot prizes. You will find that some operators give favourable bonus conditions for jackpot wins also. Take for example 888 Casino, you will need to wager any winnings you make from your free bonus 30 times in order to make a withdrawal, and the maximum withdrawal you can make is limited to £15. However, progressive jackpots are the exception to the rule. If you strike it lucky and scoop the jackpot on Millionaire Genie, then the prize money is yours to keep. No playthrough required and no limit on your prize money.

Best slots online

In the following table, you can find helpful information about the bonus rounds, bet limits and RTPs of some of the most popular jackpot slots.

Progressive Jackpot SlotsBonus RoundBet LimitsRTPSoftware DeveloperPlay at:T&C
Mega FortuneYes£0.25 – £5096.40%NetEntMr GreenFull T&Cs apply. 18+. Terms and Conditions apply. New players only. 35x wagering applies to Bonus Cash and Bonus Spins. Deposit of £20+ unlocks a 100% Match Bonus up to £100 in Bonus Cash, subsequent wager of £20+ on slots unlocks 100 Bonus Spins and 20 Bonus Spins per day over 5 days on selected games. BeGambleAware.org.
Age of the GodsYes£0.20 – £50095.02%PlaytechBetfairFull T&Cs apply. 18+. Minimum deposit of £10, x45 wagering, Roulette & Blackjack 50% weighting. Bonus valid for 7 days. Not available to customers using Moneybookers/Skrill or Neteller as a payment method.
Millionaire GenieYes£0.15 – £15095.02%Dragonfish888CasinoFull T&Cs apply. 18+. New players only • No Deposit Offer: Claim in 48 hrs • 14 day expiry • FP wins are credited as bonus and capped at £10, exc. JP win • 50x wagering • Deposit Bonus Offer: £20 min deposit with code • Valid for selected games only • Bonus wins capped at £500 • 30x wagering – req. vary by game - in 90 days • UK only - deposit balance is available for withdrawal at any time • Withdrawal terms, No Deposit Offer terms & Deposit Bonus Offer terms apply.
Mega MoolahYes£0.25 – £6.2596.92%*MicrogamingBetwayFull T&Cs apply. 18+. United Kingdom - New customers only. Opt-in required. 100% Match Bonus up to £50 on 1st deposit of £10+. 50x bonus wagering applies as do weighting requirements. Debit Card & PayPal deposits only. Irregular gameplay may invalidate your bonus. This offer is valid for 7 days from your new account being registered. Full Terms apply. 18+. BeGambleAware.org. Bet The Responsible Way.

Best Slots Welcome Bonus No Wagering

Of course, while choosing a slot is important, you should also keep the bigger picture in mind. If you want to play with real money and have an actual shot at the alluring jackpot, you should look to register at a casino where you will get good terms. You should also take a look at the platform, as you will probably want to play more than one game. With that in mind, here is our top progressive jackpot casino choice:

  • Numerous Age of the Gods Themed SlotsNew Slot Variants Added RegularlyMany Bonus Features in AoG Slots4 Age of the Gods Progressive JackpotsUltimate Jackpot Prize Over £340K
  • £100 Welcome BonusChoice of Over 300 SlotsMany Progressive SlotNumerous Promotions
  • ApprovedPlay Here!
Full T&Cs apply. 18+. Minimum deposit of £10, x45 wagering, Roulette & Blackjack 50% weighting. Bonus valid for 7 days. Not available to customers using Moneybookers/Skrill or Neteller as a payment method.

How to Choose the Best Slots Bonus in the UK

Choosing your bonus is not as easy as it sounds – and not always sweet! Casinos are not in the business of giving you money for free, so actually have to work quite a bit if you want to make the most of the best slots bonus in the UK. Here is our short and friendly guide to picking the best slot bonuses in the UK:

  • First, consider how much you want to deposit and how often you plan to play.
  • Second, look out for exciting and rewarding slot games you can play with the bonus money, which are more likely to bring you winnings.
  • Third, choose the bonus amount you find most appealing.
  • Fourth, look at the wagering requirements and validity period of the bonus.
  • Then consider which games are included in the bonus terms and conditions and whether you enjoy playing them.
  • Finally, look at the overall design and game catalogue of the casino and see if it fits your taste – if so – then go ahead and make a deposit!

Of course, if you don’t want to waste time going through all the sites one by one, you can always use our best slot bonus UK offers list – which took quite a while to comply!

Questions from Our Readers

We commonly receive questions from people, who read our reviews and would therefore like to provide you with a section, where we give answers to some of the FAQs. This way we can maybe help out some of you by saving you the time to search for answers to your questions. Hope you find them helpful!

🎰 What is a slot bonus?

A slot bonus is a reward that the casino gives to their players. It can be upon registration or offered as a regular promotion. The kinds of slots bonuses vary. You might be rewarded with free spins or a deposit match up to a certain amount.

🎰 How to claim a slot bonus?

The very first thing you must do is to choose one of our top slots bonus casinos. Then you will be able to grab a welcome bonus. Some require an opt-in, there might be also bonuses that require a bonus code. The most important thing is to always read the terms related to an offer before claiming it.

🎰 What are no deposit bonuses?

No deposit bonuses are new player sign-up offers which are awarded upon registration, without you having to deposit real money. Still, you should keep in mind that in most cases, the winnings of such bonuses are still subject to wagering requirements. For that reason, many players prefer to try out low wagering casino bonus offers instead.

🎰 How does no deposit slots bonus work?

Pretty easy, actually. A no deposit bonus is given to you, it the moment that you register. And you don't have to deposit your money in order to receive it. From there on, you can play with the bonus funds. As you can see the deal is really simple. The catch is that if you want to withdraw your no deposit slots bonus, there are conditions that you have to fulfil. So read the terms carefully and don't claim offers with requirements that you cannot meet.

🎰 What are free spins bonus offers?

Free spins bonus offers are usually a favourite of all players that like to spin the reels. The idea is that instead of money, the casino rewards you with a number of spins on certain game or games. The spins don't cost you a thing, but the winnings that you will eventually accumulate are a subject of wagering requirements. And they also have a validity.

🎰 How to play through casino slots bonus?

Depending by the conditions of the offer that you claimed, your slots bonus will have wagering requirements. They represent the number of times that you have to wager the amount that you were given. If for example the requirements are 10x and you received a bonus of £20, then you will have to wager £200 in order to withdraw the bonus funds. Keep in mind that there is also a validity period and once over, all bonuses will be forfeited.

🎰 What slot machines have the best bonuses?

There are many types of slot bonuses you can take advantage of. On a general note, many casinos offer free spin slot bonuses on sign-up, which allow you to try out different games and find the best pick. To determine the best bonus rounds, you need to compare the RTP rate listed on the slot machine.

🎰 What is the best online slot site?

The answer of this question can be rather subjective. As slot fans, we usually look into the number of online slots available, the mobile app, the welcome bonus offer and the free spins offered by the casino. You can see more details in our ranking of the best slot sites in the UK, but to keep it short, here are the top 3 slot sites for 2020:

  1. The Grand Ivy
  2. PlayOJO
  3. Betway

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🎰 Which online slots pay out the most?

The payouts of online slots are determined by their Return to Player rate – the RTP is programmed in advance by the software developer and is a representation of your odds of winning. All online slot games have their payout rates listed publicly in their description, so it is a good idea to check them in advance.

🎰 What slots have the best odds of winning?

In order for a slot game to have high odds of winning, it need to have high RTP percentage. According to most sources, amongst some of the online slots with best RTP are Monopoly Big Event, Mega Joker, Joker Strike, Blood Suckers, Uncharted Seas, Jackpot 6000 and others.

🎰 What is the best online slot game?

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This varies according to player preferences. But most gamblers would choose Starburst as their favourite slot game and Mega Moolah as the top jackpot slot. Some other high-rated slots are Bonaza, Cleopatra, Gonzo’s Quest, Jurassic Park and others.

🎰 How do you pick a winning slot machine?

Always look at the RTP percentage of the game – if the slot has a high RTP of 95% or higher, then you have a great chance of winning from the slot machine.

🎰 Can you make money playing online slots?

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Some people have become millionaires from playing online slots, so the answer to that question is absolutely yes. However, most gamblers don’t win fortune out of this activity and it is always recommended to not expect to win too much out of them. Instead, look at slots as a fun activity, which may win you some extra pocket money.

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Written by: Harry Kane