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4King Slots Casino review

4King Slots Casino review

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4King Slots Casino was founded in 2019 by Mirage Corporation N.V. The casino was known for its extensive game library and received positive reviews from players. It supported English, German, and Swedish for users across Europe and Canada. However, as of 2025, the site was taken down by the operator and is no longer accessible. You can still check our online casino review page for the brands open to new players.

Table of contents
Casino Rating: 0/10
21+ | Affiliate Disclosure

Quick facts

Payout -
MIN DEPOSIT -
MIN WITHDRAWAL -
GAME AMOUNT -
VIP PROGRAM No
Banking options
Licenses

Things we like

Cryptocurrencies accepted

Over 8,500 games

Things we don't like

No 24/7 customer support

Limited responsible gaming options

  • Casino Details
  • Support Details
  • Payment Details
  • Responsible Gaming
Website www.4kingslots.com/
Games 6500 +
Licence Curacao Gaming Control Board
Languages
  • English, German
Owner Mirage Corporation N.V.
Launched 2019
Bonus
  • Bonus up to €750 + 300 Free Spins
Games
  • Video Slots, Classic Slots, Fruit Machines, Stacked Wild Slots, Jackpot Slots, 3D Slots, Vegas Slots, High Roller Slots, Free Slots, Roulette Games, Live Casino Games
Expert verdict
Casino Rating: 0/10

4King Slots Casino offered players a crypto-friendly casino with an overwhelmingly large array of games to satisfy all tastes. It received generally positive reviews from players who enjoyed its various promotions, including wager-free free spins bonuses and weekend cashback offers. Unfortunately, in 2025, the site was removed by the operator and is no longer accessible.

Did 4King Slots Casino offer a welcome bonus?

Yes, 4King Slots Casino offered a welcome bonus across three deposits for all new players:

  • First deposit bonus: 100% up to €250 plus 100 free spins

  • Second deposit bonus: 50% up to €250 plus 100 free spins

  • Third deposit bonus: 50% up to €250 plus 100 free spins

What were the terms and conditions of this bonus?

Let’s take a closer look at the terms and conditions of this bonus:

  • The minimum deposit to unlock this offer was €25.

  • The wagering requirements were 20x, applied to the bonus and the deposit money.

  • Players had 15 days to achieve these wagering requirements.

These would have been fairly standard terms and not particularly competitive during the time in which the casino was operational.

Watch out

At first glance, the wagering requirements looked reasonable, but they effectively doubled because players needed to play through their deposit and bonus money.

Other bonuses that were offered

🎁 Bonuses offered💝 Bonus offer🎲 Wagering💸 Min deposit⌛ Time frame
Welcome offer 200% up to €750 20x (deposit and bonus) €25 15 days
Free Bonus Spins Up to 60 free spins - €20 -
Monday Reload Bonus 100% deposit match 35x (deposit and bonus) €20 -
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Where was 4King Slots Casino available?

4King Slots Casino was accessible within Europe, including Ireland, Finland, and Sweden. Players in Canada (outside of Ontario) could access 4King Slots Casino, too.

Restricted countries

Due to legal restrictions, 4King Slots Casino wasn’t accessible to players in certain countries. These included:

  • United Kingdom

  • Netherlands

  • France

  • Spain

  • United States

How safe and trustworthy was 4King Slots Casino?

4King Slots Casino was a fully-licensed online casino that took player safety very seriously. However, some members raised concerns about the service they received and the terms and conditions on the site.

Safety and security

4King Slots Casino’s site used the most up-to-date SSL encryption to protect data and transactions. It held a licence from the Curaçao Gaming Control Board, meaning it was subject to specific regulations aimed at keeping players safe.

KYC and withdrawals

To help prevent financial crime, 4King Slots Casino required users to complete Know Your Customer (KYC) checks before their first withdrawal. They did this by sending in proof of ID and address. Withdrawals could take up to five days, depending on the payment method, but players generally didn’t report any issues with delays.

What other players and reviewers said

Overall, 4King Slots Casino received mostly positive ratings from reviewers who praised the customer service and fast withdrawals. That said, some players complained that last-minute changes to the site’s terms disrupted their playing experience.

⭐️⭐️⭐️⭐️⭐️

“The support is friendly and helpful, the withdraw after the verification process is usually very fast, there is a lot of slots. I withdrew 450€ with no problem. The verification process is fast too…

⭐️⭐️⭐️

“The first time I played at this casino, everything was ok. Afterwards, they changed the terms and conditions without announcing. You can no longer take bonuses when depositing with ECOPAYZ, although a few days ago you could have no problems.

Games at 4King Slots Casino

With over 8,500 titles to choose from, 4King Slots Casino featured everything from classic slots to table and live dealer games.. It featured many popular favourites such as Big Bass Bonanza and Gates of Olympus.

Game providers

4King Slots Casino worked with some of the biggest providers in the industry, including:

  • Evolution

  • Micrograming

  • NetEnt

  • Playtech

  • Nolimit City

RTP transparency

4King Slots Casino didn’t display the RTP rate of its games anywhere, so players would have had to seek this information out themselves.

Available payment methods

❓Method🪙 Fees💸 Min Deposit⏱️ Payout Time
Bank cards None €20 Up to 5 days
E-wallets None €20 Up to 24 hours
Wire transfers None €20 Up to 5 days
Cryptocurrencies None 0.001 BTC Instant
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Longer processing, fewer issues:

The five-day timeline for card and bank transfer withdrawals was longer than at many competing casinos. Still, players reported very few additional delays compared to sites that promised faster transactions.

Mobile and user experience

The 4King Slots Casino site was smooth and easy to navigate. There was no dedicated 4King Slots Casino app, but the site was fully optimised for mobile browsing.

Customer support at 4King Slots Casino

4King Slots Casino’s customer support could be reached via email or live chat. The live chat was open from 9am to 8pm CET. Outside of those hours, players needed to send an email or wait until the live chat reopened. Despite this, many positive reviews of 4King Slots Casino praised the consistently high quality of its customer support.

Responsible gambling tools

The responsible gambling page at 4King Slots Casino allowed players to set deposit limits and initiate a cooling-off period. While self-exclusion requests could be made directly to the operator, Mirage Corporation N.V. did not participate in any external self-exclusion programs.

4Kings Slots Compared to other casinos

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Frequently asked questions (FAQs) about 4King Slots Casino

Which currencies were accepted at 4King Slots Casino?

Players at 4King Slots Casino could make deposits in EUR, USD, NOK, and CAD. It allowed deposits in certain cryptocurrencies, including BTC, LTC, ETH, and XRP.

Was there a loyalty programme at 4King Slots Casino?

Yes, 4King Slots Casino offered the Royal Loyalty Club for regular customers. The club had five levels and, depending on a player’s level, they gained access to different perks and a higher cashback percentage.

What was the minimum withdrawal at 4King Slots Casino?

Players at 4King Slots Casino couldn’t withdraw less than €25 at a time. The daily maximum for withdrawals was €2,000.

Were there live casino games at 4King Slots Casino?

Yes, 4King Slots Casino worked with Evolution Gaming to provide a variety of live casino games to its players.

Mike Lorente - CasinoTopsOnline

Mike Lorente

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318 Articles
With expertise and a knowledge base on casino bonuses that has become extensive over the years, Mike delivers detailed articles and goes the extra mile to help players around the world make an informed decision which is beneficial to them.
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