200% Slots Welcome Bonus Offers

Here is a list of top casinos in the UK offering a 200% slots welcome bonus for new customers. With these UK slot sites you get DOUBLE your first deposit in bonus funds, giving you more chances to try the casino games on offer and chase down the wins.

Remember to check the terms and conditions to see what games you can play with your bonus and what terms and conditions apply – including wagering requirements, minimum deposits and maximum bonuses, and expiry terms. You can learn more about these on our UK slot bonus list page.

All casinos listed here are licensed and regulated under UK law by the UK Gambling Commission.

Best 200 Slots Bonus Offers in the UK

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Affiliate Disclosure | All Sites are UK Licensed Local License
200% Bonus & 100 Free Spins

Software: Pragmatic Play, Netent, Barcrest, Reel Time Gaming, Blueprint Gaming, Barcrest, Microgaming, Big Time Gaming, WMS Gaming, Eyecon, Playtech, Scientific Games, Red Tiger Gaming, IGT, Ainsworth, Novomatic, NextGen

Cash-out time: 2 - 10 business days

First-time depositors only (18+ UK Only - excluding players based in Northern Ireland)Valid until 31.12.2023 (“Promotional period”). This offer can only be claimed once during the promotional period. This promotion cannot be used in conjunction with any other offer and valid promo code (SPIN100) must be used to claim the offer. Min deposit is £10. Max offer is £20 Games Bonus & 100 Free Spins. Games Bonus and Free Spins amount will be credited instantly upon depositing a minimum of £10 using the promo code SPIN100. 60x wagering requirements. Games Bonus winnings, if applicable, will be capped at £100 + original bonus amount. Free Spins will be credited on Fluffy Favourites.


The word bonus can relate to your annual bonus earned in addition to your hourly wage or base salary. A yearly bonus is truly special it enables the receiver to spoil loved ones or enjoy the holiday dreamt of all year long. A 200% bonus is unheard of, few even dream of such a phenomenon. Although this is exactly what you’ll enjoy when you join one of the top UK online casinos.

Most casinos offer online players sign-up bonuses, these are exclusive to new players, registering for the first time at the casino and making their first deposit. The casino welcome bonus multitasks as a marketing tool to attract the attention of potential members, and to award players for registering with the casino and their initial deposit. The most important function of the first deposit bonus is to provide the new member with a bonus increased bankroll that not only prolongs play but also increases their fun and excitement levels and most of all the odds of winning.

The 200% deposit bonus is a welcome gift in which the casino not only provides you with a bankroll worth triple the amount you invested. The 200 casino bonus is one of the highest 1st deposit bonus offers available to players over the age of 18 at the finest UK slot sites. It might sound way too good to be true, but once you read the T&C, and claim the bonus this is an example of how you start playing with a tripled bankroll.

200 Deposit Bonus example: Unlocking the welcome bonus of 200% via a £100 first deposit, means that the casino will match the amount you deposit by 200 times. The deposit bonus is worth £200 and is instantly added to your bankroll which increases to £300. (£100 deposit + £200 bonus). Once you’ve used your deposited amount you play with the bonus money.

The UK Gambling Commission update dated the 29th of August 2018 states that withdrawing unspent qualifying deposit money. The casino bonus is not withdrawable but rather converted to cash once all requirements explained in the terms and conditions are successfully completed.


The main or most obvious reason to grab a massive 200% casino welcome bonus with both hands is that you basically instantly win double the amount you deposited. By taking advantage of such a generous welcome bonus after reading the bonus terms, you have the freedom to decide how to get the most from your tripled bankroll.

Ways to enjoy an instantly tripled bankroll includes exploring and playing more games in real money. Placing larger bets than you would normally do on games allowed via the bonus, which could include or exclude live casino games, table games and slot machines. Do make sure that you bet within the betting limits, the maximum bet allowed via the bonus is stated in the bonus terms.


The huge 200% casino match bonus is one of the best and most generous offers available to online casino players. A percentage-based deposit match bonus is by far the best and most exciting way to increase or broaden your options within the casino. The deposit bonus presents you with triple the amount you deposited, a boost that unlocks huge winning possibilities, while prolonged play is part of a perfect and memorable online gambling experience.


With a bonus of 200%, you can prolong your gaming enjoyment by three times. The super benefit is that even when you make a lower deposit and stay well within your budget, you get triple the amount of play you would’ve if you only played with a bankroll equal to your deposit. The longer or the more UK players play, the greater is the possibility of winning.


One of the best ways to try new online slots is via free slot versions available to all UK casino members. It’s a great way to get familiar with different slots such as classic slots, video slots and 3D slots. Once you find a slot you really like, there is that huge desire to play it for real money. A 200% casino match bonus gives you the means to enjoy three times the number of newly discovered slots favourites in real money.


Claiming an enormous 200% casino bonus is electrifying since it instantly triples the value of your bankroll. It gives you three times the amount to play and enjoy on the astonishing range of games and what is most captivating is that you’ll enjoy the anticipation of playing online casino slots and other games for much longer.


  • Tripled Bankroll -A 200% casino bonus gives you twice the deposited amount, therefore triple the joy, the fun and the enjoyment. It is an exciting and excellent way of increasing the amount you get to play with via a deposit well within your budget.
  • Low Outlay, Huge Return Potential -The 200% online casino bonus is a once in a lifetime bonus available when you register for the first time. The minimum qualifying deposit to qualify for the bonus is low, yet if you read the T&C correctly you maximise your return or winning potential.
  • Explore More -A bankroll that instantly grows to three times its original size is one of the most amazing inspirations to explore more casino games. Try different game types, more titles, and have lots of fun without the need to spend more.
  • Play More -The 200 UK welcome bonus at online casinos is like a dream come true, one in which you win the bonus jackpot. With three times the amount you invested part of your bankroll you can play more of the casino games you really love.
  • Win More -The more you explore, the more you spin, the more rounds you play and the more time you spend having the best fun. The higher are your chances of winning more via your welcome match welcome bonus.


  • Bonus Terms & Conditions -Without reading the bonus terms and conditions, it is not possible to reach the requirements and you won’t be able to withdraw your winnings. Always read the bonus rules to ensure you get to claim your winnings.
  • Wagering Period -Experienced players know to focus on games during wagering that contributes the highest towards wagering. It might feel like a very short period in which to complete wagering if you don’t focus on what game types contribute to wagering.
  • Bonus Limitations -Pay special attention to the game types and specific games excluded. A slots bonus often only allows play on slot machines, not table games or live dealer games.
  • Maximum Caps -There is both a maximum bonus you can claim and the bonus itself could also include a maximum bonus win cap. This means regardless of the amount you win, even when you complete the wagering and other requirements, you can only withdraw up to the maximum bonus cap.
  • Payment Methods Excluded -If you prefer online transactions via Skrill or Neteller, you might feel disappointed to find that some welcome bonuses exclude deposits via these payment methods from qualifying for the huge welcome bonuses.


A massive offer such as the 200% casino welcome bonus, is an exclusive deal available to new members. To get your hands on such an amazing offer you need to register with the casino for the first time. Claiming the 200% first deposit is easy once you follow the necessary steps.

Step 1 – The first step is the most important, it involves finding an online casino that offers you the best deposit bonuses, reasonable terms and conditions, an exceptional gaming variety, multiple banking options, accept several currencies, and offers excellent customer services. The best choice for UK players is an online casino regulated and licensed by the United Kingdom GC catering to their specific entertainment needs and requirements.

Step 2 – Once you’ve found the perfect online casino it is time to register by completing the application form. Double-check that all information is correct such as your name, address, mobile number and especially your email address used for the verification process.

Step 3 – Action the verification link sent via email to complete the registration process and select a payment method listed in the banking section. Carefully check the list of banking method choices which usually includes ewallets, bank transfers, prepaid vouchers, cryptocurrencies, and debit cards. Make sure the option you choose is not excluded from qualifying for the bonus and remember to use the correct bonus code, if applicable. It might be also to your advantage to select a payment method that provides deposit and withdrawal options.

Step 4 – Read the terms and conditions of the welcome bonus and pay attention to the requirements such as the minimum deposit required. Also, pay attention to wagering requirements, for how long the bonus is valid, games excluded from the bonus and other bonus rules. The bonus activates via your first deposit provided the amount is at least equal to or higher than the minimum deposit listed in the bonus terms. To claim the max bonus you need to deposit an amount that will unlock the highest bonus amount.

Step 5 – Casino bonuses usually appear separate from your deposit, when you start playing the game you love, you first play with the money you deposited. Your casino games bonus winnings remain in the bonus section of your account until you reach the wagering requirements, which then transfers it to cash funds.



Dunder Casino
Dunder Casino

At TheSlotBuzz our favourite new customer offer with a 200% slots bonus is Dunder Online Casino.  At this recommended UK slot site, on the scene since 2015, you get 200% extra up to £50 with your first deposit of £20 or more. This, plus 180 free spins to play on NetEnt’s Starburst slots, and a further 50% up to £150 on your second deposit and 25% up to £400 on your third deposit.

This offer is only available to new customers who are 18 and over – check the Dunder Casino site for full terms and conditions.

Dunder offer over 1,000 slots, table and live dealer games, less than 24 hour withdrawal processing, and a really slick site design. In particular, slots fans will love their easy interface with a smart menu filter system, and a wide range of games. Our favourite suppliers are all on there – check out Big Time Gaming’s top titles like Extra Chilli, Bonanza, White Rabbit and Danger! High Voltage. Plus the latest slot games from Thunderkick, Play n Go, NetEnt, Microgaming and many more can all be played with your 200% slots welcome bonus!


The Slot Buzz is super excited to announce a 200% bonus offer now available to first-time depositors from Amber Spins Casino. The new UK slots site is operated by Virtual Global Digital Services Ltd and launched in 2021. Regulated by both the UK Gambling Commission and the Gibraltar Regulatory Authority, it soon became one of the favourite hangouts for online casino games and slot enthusiasts.

The 200% welcome bonus instantly triples newly registered players’ bankroll once they used promo code SPIN40 to make the minimum deposit of £10 or more. Which also offers instant access to 40 free spins on any game of their choice. Full bonus T&C apply, play responsible and make the most of your bonus by reading the terms and conditions on the Amber Spins Casino site.

Amber Spins is one of the best slot sites for Pragmatic Play slots such as John Hunter Book of Tut Respins, while members can enjoy the best-branded slots by NetEnt, Microgaming, and Playtech while maximising payouts via an array of the latest Megaways slots.

Don’t forget to stay in the loop with all of our newly released slot sites at The Slot Buzz and uncover tons of lucrative deposit bonuses just like this one at Dunder. Most of all have fun!


this section is to compare why the below bonuses are not as good as 200% deposit bonuses, whether it’s due to wagering requirements, availability of casinos, etc

The only real way to compare deposit bonuses available at the best UK slot sites is to take into consideration the value of the bonus determined by the terms and conditions. The requirements such as wagering, maximum bonus conversion and other rules can make or break a generous offer.

50% Deposit Bonus

50% Welcome bonus offers are rare since most casinos compete to attract new members via a higher percentage bonus combos. The benefit of accepting a 50% first deposit bonus is that the bonus amount is high and can reach up to £1,000, although claiming the highest bonus amount would require a hefty deposit. Most players will avoid spending such high amounts at an online casino they wish to try out.

The best UK online casino welcome offers and bonuses only require wagering on the bonus amount and not the deposit. 50% first deposit bonuses in general require 45x wagering, max bets are limited to £2.00 and players have only 7 days to wager the welcome bonus. Should the 50% initial bonus include free spins, the free spins winnings are credited as bonus funds and are also subject to a 45x wagering req.

100% Deposit Bonus

The most popular offer at the best UK slot sites is the 100% deposit bonus normally offered in combination with 100 free spins. Available the new players only the 100% welcome offer is available in a variety of bonus structures including a once-off first deposit bonus with free spins. Or a welcome package incentivising the first three deposits via percentage-based bonuses and free spins.

The minimum activating deposit required by a 100% first deposit bonus varies between £10 to £20. In most cases, rules indicate that bonus activation excludes Skrill deposits and Neteller deposits, although deposits via PayPal, Trustly, and PaysafeCard do qualify. The number of 100 or 200 free spins makes the 100% welcome bonus quite a generous offer, although the free spins are added across the first 5 to 10 days and remain valid for 24 hours. To benefit from such an offer, new members need to log into their new casino account daily.

100% Deposit bonus wagering varies from one online slot site to another and free spin winnings are subject to wagering requirements. While wagering varies from 40x to 65x, it is often the max bonus conversion amount that most influences the value of 100% first deposit bonus offers, often limited to max cash-outs of £50 on free spins winnings and £500 or even less max bonus cashouts.

300% Deposit Bonus

300% First deposit bonuses are not the norm although the huge percentage does attract the attention of big bonus seekers. In comparing the 300% deposit bonus to the 200% The Slot Buzz discovered that the bonus requires activation via a minimum deposit of £10 and new members get a bonus of £50 plus free spins. The bonus and free spins winnings are subject to 50x wagering requirements. Deposits made via Neteller, Skrill, PaysafeCard, and PayPal do not qualify for the welcome offer. One of the main reasons why eWallet users walk away from the 300% first deposit bonus offer.


The key to using your 200 Welcome Bonus to its full potential lies in the terms and conditions. The better you understand the T&C part of the bonus, the easier it is to claim huge payouts. One of the big confusions is part of wagering requirements, which is the number of times you need to wager the bonus. More specifically, wagering requirements can be on the bonus amount only or include both the activating first deposit and the amount of the bonus.

The percentage that each game type contributes towards wagering varies, generally, slots contribute 100%, although several high volatility slots are excluded. The titles of the slots not contributing towards wagering are listed in the bonus terms section and almost always include progressive jackpots.

The wagering period differs from one casino to another, at some casinos you have 14 days for example to reach the playthrough requirements and at others 30 days. The longer the wagering period the higher your chance of reaching it before the bonus funds expire.

Wagering requirements also vary in terms of the number of times you need to wager the bonus or the bonus and qualifying deposit. This could range from 30x to 35x up to 40 times and higher, which is why it is important to read the T&C to find out the real bonus value before accepting a bonus.

The minimum deposit to activate the bonus is important, if you deposit an amount lower, you won’t qualify for the deposit bonus. Some casinos require you to use the bonus code to activate your bonus, others offer activation via a pop-up screen. At most United Kingdom casinos the bonus activates automatically via your initial deposit.

Maximum winning caps show the highest amount you will be able to withdraw, regardless of the amount you win. The max winning amount is paid once you’ve completed wagering within the specified period and if your winnings are equal to the maximum or higher.

Best Payment Method to use Claiming a 200 casino Bonus offer

Payment methods contribute hugely to the actual value of claiming the best bonus offers such as the 200 Casino first deposit bonus. Savvy players are focussed on payment options that make it possible to avoid sharing their sensitive information online and therefore favour bonuses unlocked by the most trusted payment methods such as Trustly, PaysafeCard and PayPal.

PayPal – Considered the most popular payment method for both deposits and withdrawals at online casinos, PayPal is user-friendly, reliable, safe, and supports speedy transactions. Registration with PayPal is fast, the interface ensures a user-friendly experience and the user never needs to share financial information with the casino. This means PayPal is one of the most preferred payment methods when it comes to claiming the exceptional 200 casino bonus offer.

Paysafecard – The main benefit of Paysafecard is that the prepaid payment service makes it possible to fund your casino account or activate the 200 deposit bonus via cash. Only the voucher number is shared with the casino and funds clear instantly, while Paysafecard is accepted at all the best online casinos. One of the biggest benefits is that the prepaid voucher enables users to keep track of their spending and remain within their entertainment budget.

Trustly – Trustly is one of the most trusted payment methods in the UK and offers safe and secure instant transactions. Perfect to use on mobile devices, Trustly makes it possible to fund casino accounts in multiple currencies and no financial details such as bank account numbers or debit card details need to be shared with the casino.


First deposit bonuses at online casinos come in a variety of forms, apart from huge deposit match bonuses, free spins or bonus spins are the most favoured. Free spins can be a standalone welcome bonus or be part of a welcome package or combo featuring both a percentage-based bonus and free spins.


The number of free spins varies from one offer to the next and from one casino to another. In general, top UK slot sites offer 100 bonus spins or 50 bonus spins. The number of bonus spins can lead to different free spin distributions. It is important to read the terms and conditions, in most cases, the 50 bonus spins will be released all at once.

If the welcome bonus package includes 100 bonus spins, it is most likely that the free spins will be released in instalments of 10 or 20 per day. For example, if the bonus spins are added at 20 per day, the first 20 is available instantly and the remaining 80 at 20 per day across the next four days.

The winnings achieved via a free spins bonus are subject to wagering requirements noted in the bonus terms. The bonus spins winnings are generally added to the bonus funds separate from the cash funds. It is important to note that the free spins part of casino bonus spins are valid on one or a few preselected slot titles and not valid on any other slots.


Finding a reliable online casino is much easier via a trustworthy site such as TheSlotBuzz, offering unbiased reviews based on facts. All bonuses including welcome bonuses, deposit match bonus spins, free spins, reload bonuses, cashback bonuses, Slingo bonuses and no deposit bonuses are worth claiming. The success of the bonus depends on players reading and understanding the bonus terms and conditions. Most importantly, play responsibly and stay well within your budget.


Bitcoin Bonus – Except for cashback incentives, almost every online Bitcoin casino offer includes free spins. If you’re looking for free spins, have a look at some of the most recent slot sites.

Free Spins Bonus –  NetEnt’s Starburst has to be one of the most popular slot games of all time. It’s the ideal game for a signup campaign because of its appealing, well-known neon reel set and low volatility setting. As a result, many casinos will give you free spins on Starburst when you sign up and make your first payment – anything from 20 to 200 spins.

No Deposit Bonus – The free spins bonus is the most prevalent sort of no deposit promotion for United Kingdom casinos. Free Spins are now usually referred to as bonus spins or extra spins due to recent changes in laws and greater enforcement by the UK Gambling Commission.



The only way to find out exactly how much you can claim in additional bonus funds by accepting a 200% deposit bonus is to read the bonus terms and conditions. The maximum bonus amount offered by a 200% welcome bonus is normally determent by the amount a new player deposits. For example, an initial deposit of £200 unlocks a 200% match bonus of £400, which means the newly registered member starts playing with a bankroll worth £600.

The terms and conditions section normally states the maximum value of the 200% bonus, which could be £200 for example. If the maximum bonus is set at £200, that is the highest bonus amount the casino will add to the player account. Even if the initial deposit is £200, the 200% maximum bonus is £200, and the new member will start with a bankroll worth £400.

It is also important to remember that if you pay the minimum required deposit, for example. £20, the first deposit bonus will match the deposit by 200%, which equals £40, and provides a start-up bankroll worth £60.


Yes, online casinos can cancel a 200% first deposit bonus even if you qualified for the bonus in terms of registering and paying the minimum required deposit. The main reason why any online casino will cancel your welcome bonus is when you breach the terms and conditions. Although, the online casino or slot site could also permanently suspend your account.

The main or most general reason why a bonus could get cancelled by an online casino is when the bonus expires. If you fail to complete the wagering and other bonus requirements within the stipulated period, the bonus is removed from your account.

Odd behaviour or any suspicious activity can result in cancelling a bonus, although, each online casino identifies such activities differently. Most only casinos might consider larger deposits followed by quick withdrawing, without wagering funds as money laundering.

Logging in constantly from a large number of devices could make it appear as if different people share the same login details. Creating more than one account at the same casino is not allowed, although stricter identity verification rules have eliminated such actions.

The use of VPN software is not permitted while registering, depositing, or playing at online casinos. In most cases, players that use VPNs are from jurisdictions the casino can not offer legal gambling services, and therefore the bonus and all winnings from the bonus are cancelled instantly.


By accepting a 200% deposit bonus you agree to the full terms and conditions part of the welcome offers. This includes paying the minimum deposit, activating the bonus via a special bonus code, or accepting the bonus via a pop-up screen.

At some casinos, the first deposit bonus is added automatically to the new player’s account, unless the player contacts support before depositing to cancel the bonus. Although cancelling or not accepting a massive 200% bonus is extremely rare, the reason for such action could only be high wagering requirements. The welcome bonus provides UK players with three times the amount deposited and triple the chances of winning during prolonged play.

Is there a strategy that ensures meeting the wagering requirements of a 200% deposit bonus?

A 200% deposit bonus does not necessarily come with high wagering requirements, UK Gambling Commission licensed online slot sites only require wagering on the bonus. While both the activating deposit and the 200% bonus amount are subject to wagering at other casinos.

Even when the offer comes with reasonable wagering and other bonus requirements, which is one of the main benefits of playing at the best UK online slot sites. Tackling the required wagering with some sort of strategy could allow you to claim your winnings quicker.

The best way to meet wagering within the allowed period is to focus on game types contributing the highest percentage toward the playthrough requirements. At most top 200% deposit bonus casinos, slots could contribute 100%, while table games might only contribute 10%. Study the terms and conditions, play games that contribute the most and do not play any slots that are excluded from contributing towards bonus wagering.


Editor-in-Chief: Liam Goodwin

Liam is a veteran in the online slots industry, on both sides of the reels. As Editor-in-Chief of The Slot Buzz, he puts his iGaming passion into every article. In his own words "finding reputable online slot sites can be difficult at the best of times, I want to ensure players can uncover the most trusted sites and top-rated games with ease."

Senior iGaming Content Specialist: Wilna van Wyk

Over the past 7 years as a senior iGaming content specialist, Wilna has accumulated a wealth of knowledge within the industry. Wilna’s enthusiasm for online slots shines through every article while her ability to research is above and beyond the max payout of an online casino.