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Best Slot Bonus Sites - March 2024

Slot Offers (or a Slots Bonus) are the most common welcome packages offered by online slot sites and casinos for new players. Here, we list list the best slot bonuses including sites with a deposit 10 get bonus!

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Also known as ‘Welcome Bonuses,’ they usually comprise a percentage match of the initial deposit made by a new player.

This often amounts to at least 100%, although many operators push the envelope by offering up to 200%. Extras such as bonus spins are often included in the best casino deposit bonuses as well.

However, such incentives have become so widespread in the gambling industry that it can be difficult to identify the ones which offer the best ‘value’.

To help you in this task, WDW Bingo has compiled a list of the most competitive welcome deposits currently available.

We’ve also included advice about some of the things to keep in mind when searching for the best casino welcome bonuses, such as wagering, cash-out rules and time-limits. Scroll down to find out more.

  • Mecca Games is a brilliant slots and games site with a big Premier Collection games bonus. The site is a perfect marriage between the Mecca Bingo brand and slot sites like Rialto Casino.

    *Min dep £10. Claim once. Excludes PayPal deposits. Bonus on Premier Collection only. 30x WR on bonus. 5x MCR. 50 free spins and winnings playable on Big Bass Bonanza only. 10x WR on free spins. 5x MCR. T&Cs apply. *18+ BeGambleAware.org Please play responsibly #ad T&C's Apply

  • Spin and Win Casino is a Rank-operated slots site with a brand-new welcome bonus and revamped design. If you like Regal Wins or Rialto Casino (and big bonuses), you may like Spin & Win too!

    *Minimum 1st dep (Exc PayPal) of £10 to get £100% up to £250 on selected match slots & 100 Free Spins (FS) on Blueprint slots at 0.20P. Deposit Bonus Playable on selected Slots. 40x wagering requirement (Dep + Bonus) & MCR x5 for Bonus. FS and FS winnings are playable on Blueprint slots only, FS: 50xWR & Max win £50. 18+. Full T&C Apply. *18+ BeGambleAware.org Please play responsibly #ad T&C's Apply

  • Metropolitan Gaming Online is an intriguing new Aspire Global Casino site, based on the UK luxury bricks and mortar venues. With our special code, get an enormous welcome package!

    *18+. New Players Only. Bonus Code: NEWTOMET. Bonus: £10 min deposit. Play on Slots only. 35x wagering requirement. Spins: Valid on specific game only. 35x wagering requirements on winnings. Full terms and conditions available below. *18+ BeGambleAware.org Please play responsibly #ad

  • Jackpot City Casino is a shiny new slots and casino game metropolis operated by industry legends Betway. The site has an emphasis on luxury gaming and a fair welcome offer!

    *New UK based customers only. You must opt in (on registration form) & deposit £20+ via a debit card to qualify. Offer valid 7 days from registration. Welcome Bonus: 100% match up to £100 on 1st deposit. 50x wagering applies (as do weighting requirements). Free Spins: Awarded on Gold Blitz once you have staked £20 on any Games Global game. Spin value = 10p. No wagering requirements on free spin winnings. Full Terms. UK License Holder: Betway Limited - UK License Number: 39372 *18+ BeGambleAware.org Please play responsibly #ad

  • Kong Casino is a Jumpman Gaming slots and bingo site with a very large, very scary mascot. As one of Jumpman's most trafficked brands, we're thrilled to bring you Kong Casino for the first time in 2024.

    *New players only, £10 min fund, £200 max matchup bonus, free spin wins credited as bonus, 65x wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250), full T&Cs apply *18+ BeGambleAware.org Please play responsibly #ad T&C's Apply

  • Fitzdares is a swanky, London-based betting club that was established as a luxury betting brand almost 20 years. You don't have to be Belgravia-based to enjoy their new online casino.

    *New customers only aged 18+. Minimum deposit £10. Get a Casino Bonus matched to your first deposit, up to £100, after you stake £20 on slots, credited within 48 hours. Bonus expires in 7 days and has a 40x wagering requirement. Additional T&Cs apply. Please bet responsibly. *18+ BeGambleAware.org Please play responsibly #ad T&C's Apply

  • Plaza Royal Casino is a unique Aspire platform site released in November 2020. From the makers of Queenplay and Spin Rio, Plaza Royal is a Vegas Hotel themed site with lots of slots and a good bonus.

    *Applies only to new depositing players. 18+. Minimum deposit: £10. 35x Wagering requirement applies to match up bonus. Spins credited in specific games. Spins expire after 24 hours. Wagering requirement applies to spins. Terms and Conditions apply. *18+ BeGambleAware.org Please play responsibly #ad

  • Fruitkings is a new Dazzletag slots site bursting with juicy fun. From the operators of Peachy Games, it now has a new welcome offer!

    *18+. New players only. Min £10 deposit & wager. Free spins on Book of Dead (50 spins on day 1, 25 on day 2, 25 on day 3) 1p coin size. 40x wagering applies. Max cash out £250. Bonus expiry 30 days. Bonus spins expiry 2 days. Game restrictions apply. Further Terms Apply. *18+ BeGambleAware.org Please play responsibly #ad T&C's Apply

  • Red Casino is a brand-new Aspire Global slots and live casino site owned by Jupiter Gaming. With a focus on old-fashioned table games, this is a great pick for classic casino fans!

    *18+. New players only. Min deposit £20. Max bonus 100% up to £25 on 1st deposit. 50 spins on specific game only on 2nd deposit. 35x wagering applies, within 21 days. Max wins from spins £100. Spins expire after 24 hours. Full T&Cs apply. *18+ BeGambleAware.org Please play responsibly #ad T&C's Apply

  • Exciting new casino, slots and bingo site featuring exclusive jackpot slots and 75-ball bingo.

    *New UK customers only. 200% sign-up bonus can only be claimed once. Max. 1 bonus per individual. Opt in required. Offer expires 7 days after opt in. Min. deposit is £20 to qualify for the bonus. Bonus = 1x deposit amount (for example, if you deposit £20 you receive a £40 bonus). Max. bonus is £300. Deposit and bonus funds must be wagered 40x before the bonus and any winnings can be withdrawn. Deposit and bonus must be wagered in full within 30 days or the bonus funds (and any winnings from play with bonus funds) will expire. Deposit must be played through in full before bonus funds are available. Bonus funds, any winnings using bonus funds and any games saved using bonus funds are forfeited if any part of the initial deposit is withdrawn within 30 days of initial deposit/activating the bonus. Further, get 10 free Bingo tickets immediately after spending £10 of your deposit, followed by 10 free Bingo tickets every day for the next 3 days if you log in all 4 days in a row (the day you have wagered £10 of the deposit counts as day 1). If you do not log into your gambling account each day, the Bingo tickets for that day will be forfeited. The maximum amount of free Bingo tickets is 40 if all conditions are met. The Bingo tickets are valued at £0.25 pr. Bingo ticket. You have 7 days from logging in to activate the Bingo tickets. The Bingo tickets must be wagered 1x within 30 days from the activation of Bingo tickets, before any winnings can be paid out. Bingo Ticket T&Cs apply. Also, get 25 free Bonus Spins on Diamond Express immediately after spending £10 of your deposit, followed by 25 free Bonus spins on Diamond Express every day for the next 3 days if you log in all 4 days in a row (the day you have wagered £10 of the deposit counts as day 1). If you do not log into your gambling account each day, the Bonus Spins for that day will be forfeited. The maximum amount of free Bonus Spins is 100 if all conditions are met. The Bonus Spins are valued at £0.08 pr. Bonus Spin. You can choose to increase the stake in game, but in doing so will receive fewer spins. For example, you can receive 100 Bonus Spins valued at £0.08 per spin or 5 Bonus Spins valued at £0,40 per spin. You have 7 days from logging in to activate the Bonus Spins. The Bonus Spins must be wagered 1x within 30 days from the activation of Bonus Spins, before any winnings can be paid out. Bonus Spins T&Cs apply. Happytiger.co.uk reserves the right to let the bonus offer expire after the activation and wagering deadline. You can only have one active bonus offer at a time. This bonus offer can therefore not be combined with other bonuses, promotions or offers. With the exception of progressive jackpot winnings, bonus and winnings generated through bonus play are capped at 7x deposit. This offer may be withdrawn/modified at any time at the sole discretion of Happytiger.co.uk. General terms and conditions always apply, see HERE. *18+ BeGambleAware.org Please play responsibly #ad

  • Fantastic Spins Casino is a relaunched online slots site that runs on the Dragonfish platform and features over 1,000 games. We have an exclusive match bonus offer for you with code!

    *New players & 1st deposit only. Min deposit £10 with code WOW150. Deposit matched Games Bonus [“GB”] is 100% up to £150 + 25 Free Spins [“FS”]. FS must be claimed by 23:59 on day they are received and are valid for 3 days. FS valued at £0.10 per spin. FS can be used selected games only. Winnings from FS granted in Games Bonus [GB]. All GB funds must be wagered x35 before it can be cashed-out up to a value of £100. 18+. Full T&Cs apply. *18+ BeGambleAware.org Please play responsibly #ad

  • Pub Casino is the long-awaited new casino launch from L&L Europe. With a dark and dingy pub theme, players will love taking a seat at the bar and ordering a pint or more of spins at Pub Casino.

    *#AD New customers only, min deposit £10, wagering 40x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Full T&C’s apply. *18+ BeGambleAware.org Please play responsibly #ad T&C's Apply

  • Voodoo Dreams is a SuprPlay casino that's coming to UK players for the first time. This site runs on a unique platform and has an excellent welcome offer including real money spins on first deposit.

    *18+ new players only. Maximum £50 bonus. Minimum deposit: £20. Deposit Bonus wins are capped at £500. Max bet with active bonus: £2. Wagering requirement 100% match deposit bonus: 30 times sum of deposit + bonus. Winnings from Free Spins are credited as Real Money without wagering requirement. Some games may not be played with an active bonus. Games may contribute differently when wagering a bonus. Deposit Bonus expires after 30 days if wagering requirement has not been met. Free Spins expire after 3 days. One bonus allowed per person, address, device, IP. *18+ BeGambleAware.org Please play responsibly #ad

  • Lottomart Games is a new and unique gaming site - the first of its kind to appear on WDW Bingo.

    *£10 min deposit. £100 max match. 50x wagering. Game eligibility & contributions vary. 10p to £5 bet range. £500 max redemption. New players only. Limited time offer. Valid 7 days. T&C apply. *18+ BeGambleAware.org Please play responsibly #ad

  • Casino77 is a new Progress Play brand from the operators of Las Vegas Casino. Enjoy a generous first deposit offer and a large variety of games and promotions at this website.

    *New players only 18+. Wager from real balance first. 50X wager the bonus and the winnings from free spins. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 Days from receipt/free spins valid for 7 days from issue. Max conversion: 3x the bonus amount or free spins: £20. Excluded Skrill and Neteller deposits. Withdrawal requests voids all active pending bonuses. Full Terms Apply. *18+ BeGambleAware.org Please play responsibly #ad

  • Betgrouse Casino is a brand spanking new Aspire Global slots and sports betting site from the people behind HeySpin. So if you're hunting for a great offer, take aim at Betgrouse!

    *Terms and Conditions apply. New Players only 18+. Min deposit:£20. Spins available for: Book of Dead. Wagering requirements apply: x35. Offer Valid for 24hrs. *18+ BeGambleAware.org Please play responsibly #ad

  • Vince Vegas is the first new casino launch of 2024, operated by Progress Play. Acting as a relaunch of Tebwin, we have an exclusive welcome offer and listing with our unique code.

    *New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 3 times the bonus amount or from free spins: £20. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply *18+ BeGambleAware.org Please play responsibly #ad

  • Spinshake may sound like a new piece of state of the art fitness equipment but we can assure you that it's a colourful new slots sites with hundreds of great games, live casino rooms and a splendid array of scratch cards.

    *New players only. 18+. Min deposit £20. 40x wagering applies to match up bonus. Offer valid for 24 hours. 25 Spins on Starburst - 40x wagering applies to Spins. Terms and Conditions Apply *18+ BeGambleAware.org Please play responsibly #ad

  • MadSlots Casino is the latest Viral Interactive slots site to launch in the UK. As the successor to a very popular, precious metal inspired brand, it is also the sister site to Luck Casino.

    *18+. Available for new registered accounts only. Get up to 100 Free Spins (FS) immediately after complete registration locked (10p). Max win post wagering (WR): £10. 100% Bonus up to £200 for the 1st dep of min £10, received in as an instant Bonus format. Up to 100 Free Spins (FS) for a 2nd dep of £10+. Up to 100 FS for the 3rd dep of £10+.FS value: 10p. Wheel of Fortune (WOF) will appear as a pop-up. Available to claim for 7 days. Prize not guaranteed. Prizes and wins from free spins are credited to your Bonus Account, and available for 7 days. 30x wagering. Max win post Wagering: £100 per deposit bonus. Players who fail to select the bonus upon deposit are not eligible. Further T&C apply *18+ BeGambleAware.org Please play responsibly #ad

Best Slot Bonus Offers UK

So what constitutes the best slot bonus? Well, this is a subjective question – some players look for percentage matches while others prefer the additional perks such as bonus spins. Whichever your preference, there are a few things to keep in mind when searching for competitive welcome bonuses.

What is a good Casino Deposit Bonus?

As a general rule of thumb, look for welcome bonuses that offer at least a 100% match of up to £200. Anything lower should probably be avoided unless the promotions include additional incentives that are unusually generous, such as extra spins or no wagering slots.

Usually, you’ll need to deposit £10 to get bonus slots. You will also find some more generous slot offers than 100% match. For example, at some sites you’ll see deals like deposit £10, get £30 slots or even more!

What other types of casino bonus exist?

Extra Spins

Most online casinos offer from 50 to 120 extra spins as part of their casino deposit bonuses. There are exceptions of course, with some welcome promotions comprising up to 200. However, such offers are somewhat thin on the ground so try to identify bonuses that include a minimum of 50 spins.

What about wagering requirements on a slots bonus?

Behind every welcome offer lurks the bête noire of every casino-gamer: wagering requirements. Like it or not wagering, or play-through rules as they’re sometimes known in gambling parlance, are a fact of life. They generally require players to wager a multiple of their deposit (as well as the bonus itself in some cases), before any winnings can be withdrawn.

For certain players, wagering doesn’t present much of a problem. However, they should be treated like a wounded tiger – with respect and caution.

In the early days, operators would hide these harsh stipulations in their T&Cs pages. But recent, regulatory changes now require them to be included in all promotional advertising. Take a look at any casino welcome offer and you’ll see wagering rules written in small print beneath the shrieking promo headlines.

It’s quite difficult to recommend an acceptable wagering rate. Other than zero, we’d suggest something in the region of 30 – 40. However, you might want to stretch higher, depending on the generosity of the related bonus. For more information, see our no wagering slots page.

Time-Limits

Because of wagering rules, you’ll also need to pay close attention to promotional time-limits. After all, playing through a bonus and/or deposit some forty-or-so times won’t happen overnight.

So to protect any winnings you might accrue, be mindful of how long you’ve got to satisfy this requirement. The terms of many promos and offers can be satisfied within 30 days but be aware: some operators still impose draconian time-limits which make it extremely difficult to meet wagering rules in time.

Game Weighting on the Best Slot Bonuses

Game weighting should also be considered when choosing the best casino deposit bonus, with online casino games contributing different percentages towards the completion of wagering requirements.

While many standard slots contribute 100% to play-through rules, there are some, particularly those with high RTPs, which offer less. Additionally, table games are usually assigned low weighting percentages because their house edge is that much lower than other games.

To conclude then, it’s always a good idea to read the terms and conditions thoroughly before committing to any casino or slots deposit bonus. Although some welcome packages aren’t quite what they seem, there are plenty of offers, such as the ones included above, which offer genuine value for money. Just be sure that you’re fully clued-up about each restriction in place.

Slot Bonus & Offer Categories

For the rest of our slots bonus and offer type pages, see our list below to find the right brand for you.

No Wagering Slots - March 2024

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We list all the best slots sites with no wagering bonuses. We have exclusive, no deposit & free spins offers with real money wins, but you may need to play through your deposit first. Check our top no wagering slots...

No Deposit Slot Sites - March 2024

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These are the best new slot sites with free spins no deposit offers in 2024 as well as established sites with great deals. Get free spins just for adding a card in the...

Best Slots Sites with Free Spins Offers

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Looking for slot sites that have free spins or bonus spins offers as part or whole of their welcome bonus? Then you are in exactly the right place. Here we list the best and newest slot sites with brilliant spin...

Exclusive Slots Offers

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Welcome to our Exclusive Slot Offers page. Here, you’ll find all the slot sites that we’ve struck special deals with to give you a unique (and totally better) deal than you would get if you went straight to the site...

Best Slot Bonus FAQs

Yes, very often a slots site will stipulate which slots and games are eligible in the bonus. Be careful to read the terms and conditions! Some bonuses may only be eligible on one slot game. Some may be eligible across a certain platform of slots. Some bonuses will accept a great majority of slots bonus across the site, but this is incredibly rare.

Sometimes, but this is becoming increasingly rare. Check the terms and conditions, but most casino bonuses will ask you to play through your bonus first.

Yes – this is pretty much always the case. The generosity of this figure varies massively from £2-£3 all the way up to hundreds of pounds. Often, it depends on the type of bonus. Free Spins winnings often have a lower cap. This information will always be included in the terms and conditions.

Yes, frequently. Check the T&Cs to see what the maximum bet you can make with your bonus is each time.

Usually, a site will have a separate live dealer casino welcome bonus. The new player may even be offered a choice between different types of welcome bonus. However, it is rare for a standard casino welcome offer to be playable on live dealer casino games. Sometimes they may be eligible, but the game weighting towards the wagering requirement may be miniscule.

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Harrison Score has been a content writer at FTD Digital for 6 years and the Editor of WDW Bingo since 2018.

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*18+, New customers only, register, deposit and stake £20 on Big Bass Bonanza within 7 days, and claim 110 Free spins on Big Bass Bonanza. Free spins expire 30 days after credited. Ends 30/06/24 at 23:59 GMT. Full T&Cs Apply. begambleaware.org. *18+ BeGambleAware.org Please play responsibly #ad

*New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit.18+. Free Spins: on Double Bubble. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. *18+ BeGambleAware.org Please play responsibly #ad

*Min £10 in lifetime deposits required. Offer must be claimed within 30 days of registering a bet365 account. Reveal prizes of 5, 10 or 20 Free Spins; three spins on Free Spins reels available within seven days, 24 hours between each spin. Max. prize, game restrictions, time limits and T&Cs apply. *18+ BeGambleAware.org Please play responsibly #ad

*18+. New Players Only. Min. deposit £20. Max bonus allowed is £50. Offer duration upon receiving is valid for 2 weeks (14 days). Max Win from spins is £100. 35x wagering applies both for bonus and spins part. Spins are credited on specific games(Starburst). Spins expire after 24 hours if unused. Full T&Cs Apply. Live games do not contribute towards wager requirements. *18+ BeGambleAware.org Please play responsibly #ad

*New members only, must opt in. Min £10 deposit & wager. Free Spins: on Secrets of the Phoenix Megaways. 30-day expiry from deposit. Spins value: 20p each. Game availability & restrictions apply. *18+ BeGambleAware.org Please play responsibly #ad

*1st depositors only. Country restrictions apply. Min £10 deposit, get 300% Bingo Bonus [BB] (max £200) + 30 Free Spins [FS] on Chitty Bang. Must be claimed within 7 days. BB valid on specific rooms only. FS wins capped at £6 Games Bonus [GB]. Wagering requirements apply; 30x GB funds (vary by game) GB wins capped at £100, exc. PJP win. . Wagering req. apply: 2x (deposit + BB funds);Country restrictions apply. Full T&Cs apply *18+ BeGambleAware.org Please play responsibly #ad

*18+ New accounts only. Min. £10 deposit, debit card only. Up to 50x wagering, game contributions vary, max. stake applies, 7 day expiry. See full terms. *18+ BeGambleAware.org Please play responsibly #ad

*Min. deposit £10 with code ‘BONUS300’. Debit card only. Wagering requirements apply. Selected Slots only. 5 redemption points per £1 to clear bonus. Game contributions vary. 7-day expiry. Terms apply. *18+ BeGambleAware.org Please play responsibly #ad

*Terms & Conditions apply. New players only, 18+. Min Deposit £10. Welcome Package splits over 3 deposits, 35x wagering requirement applies to match up bonus. *18+ BeGambleAware.org Please play responsibly *18+ BeGambleAware.org Please play responsibly #ad