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As a member of the Gamblescope Review Team, I delved into SlotMonster.com to assess its legitimacy and fairness. Here's what I discovered:
Operator
SlotMonster.com is a fairly new casino and sportsbook on the block. It was established in 2024 and is operated by SIMBA N.V., a company registered in Curaçao. The casino currently holds a gaming license number OGL/2024/1788/1030 from the Curaçao Gaming Control Board (GCB). SlotMonster also has an affiliate program called EPC Affiliates.
Registration and Accessibility
Registration is straightforward: provide your name, e-mail, phone and address and you're set to play. SlotMonster is open for players from a lot of countries, including the UK, even though it's not licensed by the UK Gambling Commission. Bear in mind that quite a lot of countries are restricted, which is somewhat unusual for a Curacao-licensed casino. These include, but are not limited to France, Greece, China, Italy and the United States.
Support
Slotmonster is stuck in the past in this department, offering only e-mail support. No live chat, messengers or phone. Don’t expect any quick answers, at list I didn’t get mine in more than an hour.
Game Selection
SlotMonster boasts a diverse gaming library, with a strong emphasis on casino offerings. Players can enjoy:
Online Slots: Featuring titles from renowned providers like Pragmatic Play, Nolimit City, and Red Tiger Gaming. Popular games include "Book of Dead" and various Megaways slots.
Table Games: Multiple versions of blackjack, roulette, craps, and poker are available for enthusiasts.
Live Casino: Live dealer games like Livespins, Live Blackjack, Live Roulette and Live Baccarat, powered by Evolution Gaming and Pragmatic Play Live offer an immersive experience.
Casino Popularity
Slotmonster attracted 393,000 visitors in January 2025, making into TOP-1000 casinos worldwide. With 82% of people coming to play from the UK, 14% from the Netherlands and 1% from Poland.
Deposits, Withdrawals, and Verification
The platform supports a few payment methods like cryptocurrencies, Visa and Mastercard for deposit. And bank transfers and cryptocurrencies for withdrawal. However, more than 10 cryptocurrencies are supported, including BTC, ETH, BNB, DOGE, TRX, ADA, LTC, USDT and USDC. Withdrawals can take up to 24 hours to be processed, and bank transfers may take another 3-5 days.
Note that the max. deposit amount is 2000 EUR and max. withdrawal amount — 4000 EUR per transaction. You must also verify your account before the first withdrawal by submitting identification documents to prevent underage gambling.
User Feedback
Online reviews present a mixed picture. Sitejabber reports a 4.4-star, indicating general customer satisfaction. Conversely, Casino Guru assigns SlotMonster a "Very Low" Safety Index of 2.7, citing concerns over terms and conditions and unresolved player complaints. Common praises include extensive game selection, while criticisms focus on navigation difficulties, slow customer support and withdrawals.
Conclusion
While SlotMonster.com offers a rich variety of games and caters to a global audience, I suggest looking for another place to play. While many users report positive experiences, there are too many negative reviews for a 1-year-old casino. Perhaps they will sort their things out and I update the review.
GS Rank is a global popularity score that ranks online casinos based on real-world traffic. The lower the GS Rank, the higher the casino’s popularity.
