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Thunderkick

Thunderkick is a Swedish slot studio that Irish players will recognise from the game logos in a casino lobby rather than as a casino brand in its own right. Founded in Stockholm in 2012, it built a name by releasing fewer games than most rivals and putting more thought into each one. You will find its slots at the casinos listed on this page, running on the same account and payment systems those sites already use.

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Best Thunderkick Casinos

1

Wild Chance

100% Bonus Up To €300 + 200 Free Spins
Welcome Package 280% up to €3200 and 800 Free Spins plus a Secret Bonus over 4 deposits, starting with 100% bonus up to €300 and up to 200 Free Spins plus 3 coins on 1st deposit. New players only. A 100% bonus of up to €50 + 30 Free Spins + 3 coins is available for a deposit of €20 or more. A 100% bonus of up to €200 + 80 Free Spins + 3 coins is available for a deposit of €50 or more. A 100% bonus of up to €300 + 200 Free Spins + 3 coins is available for a deposit of €200 or more. Free spins are credited in two batches over 2 days. Coins become available on the Achievements page once your initial deposit has been made and can be redeemed for real money bonuses or free spins. The bonuses must be activated within 48 hours of being credited to your account. The bonuses expire 5 days after activation. Cash and free spins bonuses are subject to a x45 wagering requirement. The withdrawal of winnings from cash bonuses is limited to x10 the deposit amount. The withdrawal of winnings from free spins bonuses is limited to €100. Full terms apply.
2

Zizobet

150% Bonus Up To €1,000 + 50 Free Spins
Casino welcome package 550% up to €3800 and 50 Free Spins over 4 deposits, starting with 150% Bonus up to €1000 and 50 Free Spins on 1st deposit. Promo code WELCOME required. Minimum deposit €10 required to claim the Free Spins. Minimum deposit €500 required to claim 150% Bonus. Alternatively deposits between €10 and €500 will receive 100% bonus. A 30x wagering requirement applies to the combined deposit and bonus amount. Wagering must be completed within 5 days of bonus activation. Full terms apply
3

Spinoli

150% Bonus Up To €1,000 + 100 Free Spins on Birds! & more
INCREASED WELCOME CASINO PACKAGE up to €1,800 + 175 Free Spins over 3 deposits, starting with 150% up to €1,000 + 100 Free Spins on 1st deposit. Minimum deposit €20. Bonus code HIT150 required. Free spins are available on the following games: Triple Juicy Drops, Wilds of Fortune, Birds. The amount of the deposit and the bonus must be rolled over 30x within 21 days in order to convert the bonus into real money and cash out any winnings. The maximum bonus conversion is 10 x the awarded bonus. General Terms and Conditions apply.
4

WeltBet Casino

110% Bonus Up To €1,000 + 50 Free Spins on Coins of Alkemor - Hold & Win
Casino Welcome Package up to €5000 in bonuses plus 150 Free Spins across 3 stages, starting with 110% bonus up to €1000 + 50 Free Spins on 1st deposit. Min deposit €20. To meet the wagering requirements, you must wager the bonus amount 25x. Free Spins winnings are subject to a 3x wagering requirement. The wagering requirements must be fulfilled within 30 days. Maximum bonus winnings transferred to real balance: 20x the bonus amount. Free spins are for Coins Of Alkemor - Hold & Win. Full terms apply.
5

Gamblezen

200% Bonus Up To €500 + 100 Free Spins on The Dog House
Welcome Bonus Pack 500% Bonus up to €2625 and 350 Free Spins over 4 deposits, starting with 200% bonus up to €500 + 100 Free Spins on the slot Dog House on 1st deposit. Alternatively the High Roller bonus gives a maximum bonus of €3625 with a minimum deposit of €500. Minimum deposit €20. To be able to withdraw bonus funds, you need to wager 40x the amount of the bonus and the deposit. To be able to withdraw bonus funds received from Free Spins, you need to wager the bonus amount 40x. The maximum allowed amount for withdrawal that has been won from casino bonus free spins is €100. All winnings from any bonus are limited to 5x the bonus amount. Full terms apply.

Who Thunderkick are

Thunderkick is an independent studio, not part of one of the large gambling groups. Like NetEnt, it grew out of the Stockholm slot scene, though it has always stayed smaller and more selective. That independence shows in the games. Rather than churn out dozens of near-identical titles, the studio tends to release a handful a year and give each its own art direction and maths. It runs its own remote gaming server and its own game engine, so the whole thing, from the animation to the way a bonus round pays, is built in house.

If you have played online slots in Ireland for any length of time, you have probably met their work already. Esqueleto Explosivo, with its singing Day of the Dead skulls, is the one most people name first. Pink Elephants, the Beat the Beast series, Midas Golden Touch, 1429 Uncharted Seas and Arcader are Thunderkick titles too. There is a recognisable house style: clean interfaces, a bit of humour, and a willingness to try a mechanic that does not turn up in every other game.

The games and how they play

Thunderkick makes video slots and little else. No live dealer tables, no bingo, no sportsbook. If you see those on a site that also carries Thunderkick, they have come from other suppliers sharing the same lobby.

The slots are built in HTML5, so they run straight in the browser on a phone, tablet or laptop with nothing to download. Android and iOS both work fine through the mobile browser. Return to player figures usually sit around 94 to 97 percent, though the exact number can differ between operators because some markets allow more than one RTP version of a game. Check the figure in the game’s own information screen before you play, since that is the only place it is guaranteed to match the version you are on.

Volatility is where Thunderkick has a bit of a reputation. A good few of their slots run medium to high, which means quieter spells between wins and more of the payout tied up in the bonus features, often free spins rounds with multipliers stacked on top. That suits some players and frustrates others, and it is the single thing worth knowing about the studio before you sit down with one of their games.

Tested and certified, not licensed to you

Every Thunderkick slot uses a random number generator to decide outcomes, and independent test houses check that generator along with the game maths. The checks confirm that each spin is independent of the last and that long term payouts match the stated RTP. Thunderkick itself holds supplier approvals in established jurisdictions, including the Malta Gaming Authority and the UK Gambling Commission.

Those are supplier approvals, though, not a licence that covers you as a player. The licence that matters for your protection belongs to the casino you actually deposit with, and that is where the Irish picture is changing.

The Irish regulatory reality

For years there was no dedicated Irish licence for online casinos. Sites accepting Irish players did so from offshore, most often under a Malta licence, and Irish law had not really caught up with online play. That is now being replaced.

The Gambling Regulation Act 2024 set up the Gambling Regulatory Authority of Ireland, the GRAI, which is standing up in stages. Remote betting licences went live from July 2026, with remote casino licences expected to follow later in the rollout across 2026 and into 2027. The Authority is also building a National Gambling Exclusion Register, an Irish equivalent of the UK’s self exclusion scheme that every licensed operator will have to join, along with a ban on credit card gambling and a watershed on advertising.

For a player, the short version is this. Right now most casinos carrying Thunderkick still operate under offshore licences while the Irish regime beds in. Over the next couple of years you should see Irish licensed sites, Irish self exclusion and Irish complaint routes become the norm. That is a real step up on the offshore setup, and it is worth favouring operators that are moving early towards GRAI standards.

Paying in euro

Deposits are in euro at Irish facing casinos. Debit cards remain the common method, though it is worth knowing that some Irish banks decline gambling transactions on a card, which catches people out. E-wallets are the usual fallback, and open banking style bank transfers are becoming more common and tend to clear quickly. Credit cards for gambling are on the way out under the new rules, so do not count on them.

The verdict for Ireland

Thunderkick is a small studio doing distinctive work, and its games are a genuine reason to like a lobby rather than a name to skip past. For Irish players the games themselves are the easy part. The thing to watch is the licence behind the casino you choose, because the Irish market is mid transition and the protections are still landing. Pick a well run site from the casinos listed on this page, check the RTP in the game screen, and treat the high volatility titles with the caution they deserve.

Is Thunderkick legal to play in Ireland?

Yes. Thunderkick supplies slots to casinos that accept Irish players. Historically those sites operated under offshore licences, most often from Malta. Ireland's new Gambling Regulatory Authority (GRAI) began issuing remote licences in 2026, with remote casino licences following as the regime is rolled out, so Irish licensed sites carrying these games are on the way.

Which Thunderkick slots are the best known?

Esqueleto Explosivo is the title most Irish players recognise first, thanks to its exploding Day of the Dead skulls. Pink Elephants, the Beat the Beast series, Midas Golden Touch, 1429 Uncharted Seas and Arcader are other well known Thunderkick games.

Are Thunderkick slots high volatility?

A good number of them are medium to high volatility, which means longer gaps between wins and more of the payout tied up in bonus features. Return to player figures usually sit around 94 to 97 percent, and you can confirm the exact RTP in each game's information screen.

Is Thunderkick licensed by the GRAI in Ireland?

Thunderkick holds supplier approvals from regulators such as the Malta Gaming Authority and the UK Gambling Commission. B2B game supplier licensing under Ireland's GRAI is expected later in the rollout, into 2027 and beyond, so for now the licence that protects an Irish player is the one held by the casino itself.

How do I deposit in euro to play Thunderkick games in Ireland?

Irish facing casinos take deposits in euro by debit card, e-wallet or bank transfer, and open banking payments are becoming more common. Note that some Irish banks decline gambling card payments, so an e-wallet is a useful backup. Credit card gambling is being phased out under the new Irish rules.

Casino list updated: September 2026

Stay Casino

100% Bonus Up To €1,000 + 100 Free Spins on Gates of Olympus
18+.

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Atefia

100% Bonus Up To €1,000 + 200 Free Spins
18+.

Welcome package up to €1,200 and 250 Free Spins over 2 deposits, starting with 100% up to €1,000 and 200 Free Spins on 1st deposit. New customers only. Min deposit €20. Free spins given as 20 per day over 10 days. Wagering requirement 35x initial amount of deposit + bonus rewceived. Wagering requirement for free spins is 40x. Wagering must be completed within 10 days. Max cash-out 6x bonus amount. Full terms apply.

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100% Bonus Up To €1,000 + 250 Free Spins on Big Bass Bonanza 1000
18+.

Welcome package 460% up to €4,000 and 700 Free Spins, plus 1 Bonus Game over 4 deposits, starting with 100% up to €1,000, 250 Free Spins and 1 Bonus Game on 1st deposit. Min deposit €10. Min deposit to claim full bonus is €500. 100% Bonus applies to all deposits of €10 or more. Min deposit €10 gives 25 free spins, min deposit €50 for 50 free spins, min deposit €200 for 100 free spins and min deposit €500 to get 250 free spins. €20 min deposit is required for the Bonus Game. Free spins are given as 25 per day. Bonus should be wagered within 7 days. All deposit bonuses and free spin bonuses must be wagered 40x. The instant bonus game will be available in Big Bass Bonanza 1000. If Pragmatic Play is not available in your region, Bonus Buy feature will not be available. Full terms apply.

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100% Bonus Up To €5,000 + 100 Free Spins on Forest Dreams
Bonus Code
TOPG
18+.

Welcome Bonus 100% up to €5000 and up to 100 Free Spins for Forest Dreams. Plus daily Cashback available as part of the loyalty program from a minimum of 4% up to a maximum 24%. For the welcome bonus use code TOPG. Must wager deposit + bonus x 15. Not valid on all Table games & Sports bet. Maximum bet amount €200 per hand/spin to contribute (higher wagers are allowed but won’t contribute towards your wagering requirements for the deposit bonus). 100 real money free spins and bet amount will be .001% of the deposit amount(rounded). For example for 5K deposit you get 100 free spin at €5 each. Minimum deposit required 1000€ to get the 100 free spins. The free spins expire in 3 days from the deposit date. No limit on winnings and no other conditions to claim the funds. Full terms apply.

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100% Bonus Up To €200 + 25 Free Spins on Spring Tails & more
Bonus Code
WELCOME200
18+.

Welcome package up to €1,000 + 150 Free Spins over 4 deposits, starting with 100% up to €200 + 25 Free Spins on 1st deposit. New players only. Bonus code WELCOME200 required. Free spins are for Gemini Joker, The Hive, Spring Tails, Lucky Seven. Minimum deposit 20 €. Once received the Free Spins must be used before the player places any other bets. Free Spins are valid for 7 days. In order to cash out the bonus and the winnings accumulated, players will need to wager the bonus + deposit amount 40x. The wagering requirement must be completed within 21 days. The maximum bonus conversion is 10 x the awarded bonus. General Terms and Conditions apply.

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100% Bonus Up To €200 + 50 Free Spins
18+.

Welcome package up to €600 and 150 Free Spins over 3 deposits, starting with 100% up to €200 and 50 Free Spins on Book of Dead on 1st deposit. New Players Only. 10X wagering on bonus, 10X on free spins winnings. Min deposit €10. T&Cs Apply.

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100% Bonus Up To €1,000 + 200 Free Spins
18+.

Welcome package 250% up to €3,000 and 350 Free Spins. New customers, first 4 deposits only. 1st deposit offer 100% up to €1,000 and 200 Free Spins. Min deposit €20. Wagering requirement 35x bonus + deposit and 40x free spins winnings within 10 days. Neteller & Skrill deposits excluded. Full terms apply.

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150% Bonus Up To €500 + 150 Free Spins on Sticky Coin: Hold the Spin
18+.

3000 € + 600 FS Welcome Package over 4 deposits, starting with up to 500€ + 150 Free Spins on 1st deposit. Best 1st deposit offer 150% bonus + 150 FS for a deposit of at least 60 €. Alternatively claim 100% bonus and 50 FS for a deposit of at least 20 €. Or 125% bonus and 100 FS for a deposit of at least 30 €. Free spins are credited in batches of 50 FS every 24 hours. Maximum bonus amount: 500 €. Free spins are awarded in Sticky Coin: Hold The Spin at a bet of 0.2 €. Deposit bonus has a x30 wager. Free spins winnings have a x30 wager. Maximum cashout after completing the wagering is x5 of the bonus amount. The bonus cannot be withdrawn until it has been fully wagered. Full terms apply.

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120% Bonus Up To €240 + 100 Free Spins on Enchanted: Forest of Fortune
18+.

Welcome package up to 800 € and 300 Free Spins over 4 deposits, starting with 120% bonus up to 240€ + 100 Free Spins on “Enchanted Forest Of Fortune” game on 1st deposit. Min deposit 20€. Opt in required. All bonuses are sticky and wager free. Bonus will be forfeited once you make a withdrawal request. Maximum withdrawal from bonuses in Welcome Package is 5x the received bonus amount. Free spins of this kind require a wager of the generating deposit of at least x1. General Bonus Terms and Conditions apply.

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Africasports Casino

100% Bonus Up To €200
18+.

Welcome offer 100% up to €200. New Players Only. Min Deposit €10. Wagering occurs from real balance first. 50x wager the bonus money within 30 days. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus offer and any winnings from the offer are valid for 30 Days from receipt. Max conversion: 3 times the bonus amount. Withdrawal requests void all active/pending bonuses. Full Terms apply

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100% Bonus Up To €1,000 + 200 Free Spins
18+.

Welcome offer up to 100% Bonus up to €1000 and 200 Free Spins. Min deposit €25. Free spins are given as 20 every day for 10 days. Free Spins expire within 24h. Bonus money must be wagered at least 40x before you can make a withdrawal. Free Spins winnings have a 40x wagering requirement. The wagering requirement must be completed in 7 days or the bonus will expire. There is no cap on winnings or withdrawals. Players are able to claim the Welcome Bonus for 60 days after signup. Full terms apply.

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100% Bonus Up To €150 + 100 Free Spins
18+.

Welcome Package 225% up to €600 and 275 Free Spins over 3 deposits, starting with 100% up to €150 + 100 Free Spins on 1st deposit. Minimum deposit €20 to receive the 100% bonus as a first deposit. Minimum €50 deposit is required for the 100 Free Spins together with 100% Bonus. Players will get 25 free spins per day for 4 days in a row. Free spins must be activated within 24 hours after their accrual on the user balance. The wagering requirements for bonuses and Free Spins from Welcome Package is set at 45x. The bonus is valid for 7 days after activation. The offer is valid according to general bonus rules, terms and conditions of the casino.

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100% Bonus Up To €500 + 200 Free Spins
18+.

Welcome offer 100% up to €500 and 200 Free Spins on 1st deposit. New customers only, Min deposit to claim this offer €20. Free spins added as 20 per day over 10 days. Wagering requirement 35x initial amount of deposit + bonus. Wagering requirement for winnings from free spins is x40. Wagering must be completed within 10 days of activation. Full terms apply.

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Crypto Casino. 100% Up To 1 BTC & 250 Free Spins On 1st Deposit.
18+.

Welcome offer 100% up to 1 BTC and 250 Free Spins on 1st deposit. Min deposit BTC 0.00025. 250 Free Spins credited over 5 days as 50 per day. Spins expire after 24 hours. Bonus and Free Spins winnings subject to 40x wagering within 7 days. Welcome Offer available for 60 days after signup and can alternatively be claimed as 100% match up to 10 ETH, 200,000 TRX, 10,000 USDT, 10,000 USDC, 100 BCH, 35,000 ADA, 125,000 DOGE, 150 LTC, 30 BNB, 25,000 XRP, 100 SOL. Full terms apply.

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150% Bonus Up To €750 + 150 Free Spins on Eye of Atum
18+.

Welcome Bonus 150% Bonus up to €750 and 150 Free Spins on Eye of Atum. New players only. Min deposit €20. New players only. Free spins are credited as 30 per day over 5 days. Bonus needs to be wagered 45x in order to convert the bonus and any bonus winnings to withdrawable funds. Full terms apply.

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125% Bonus Up To €125 + 25 Free Spins on Return to Paris & Stampede
Bonus Code
WELCOME125
18+.

Welcome package up to €1000 + 150 Free Spins over 4 deposits, starting with 125% up to €125 + 25 Free Spins on Return to Paris and Stampede on 1st deposit. Min deposit €20. Bonus code WELCOME125 required. New customers only. The amount of the deposit and the bonus must be rolled over 40x in order to convert the bonus into real money and cash out any winnings within 21 days. The maximum bonus conversion is 10 x the awarded bonus. Full terms apply.

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Written & Reviewed by Matt

I’ve worked in the online gambling industry since 2007, building affiliate portals, operating white-label casino brands, and analysing licensing frameworks across multiple jurisdictions. My work has been featured in EGR Magazine, and I’ve been nominated for iGB Affiliate Awards. At NetEnt.net, I publish fact-checked content focused on company profiles, casino software, payment systems, and regulatory compliance to help readers make informed decisions.
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