Onyx Slots

Onyx Slots holds two strong licences: one from the UK Gambling Commission (number 57869) and another from the Gibraltar Gambling Commission (RGL number 125). Both are visible on the website, which is important.

The casino’s safer gambling page is easy to move through and has enough information to be genuinely useful. We found clear explanations for every control available: from deposit limits and spending reminders to self-exclusion. Each option works directly from the account panel. The self-exclusion system applies across the Grace Media network, and the length can range from six months to five years. Cooling-off periods are offered too, for shorter breaks. Once active, an exclusion cannot be lifted early, which adds credibility to the process.

We also liked the transparency about help options. The casino directs players to GamCare, GambleAware, Gamblers Anonymous, Gam-Anon, and Gambling Therapy, all accessible through links on the safer gambling page. There’s even advice for relatives who might be worried about someone’s betting habits, along with tips for staying in control.

Like most online casinos, the site uses SSL encryption, which protects financial and personal data during transactions. The only missing element is two-factor authentication, which would provide stronger account protection. Despite that, we didn’t face any warnings or reports suggesting security flaws or data misuse.

Age verification is also available, with registration limited only to users 18 and over. Every account goes through an automated age check, and if that check doesn’t confirm identity, the player is asked for proof before they can access the site.

Security and Licensing at Onyx Slots

Everything we reviewed points to the fact that Onyx Slots is perfectly legit. It has legal oversight, player protection, and operational transparency. Since launch, there have been no blacklists or verified complaints against it either.

Onyx Slots feels a little understocked when it comes to payment options. There are only six ways to make a deposit: Visa, Mastercard, PayPal, Paysafecard, Pay by Mobile, and Bank Transfer. They all function well, but the list is short compared to what many competitors in the same bracket provide.

Among these, PayPal came out as the fastest and easiest for small deposits, while Visa felt the most stable for higher sums. Pay by Mobile adds flexibility for people who prefer smaller top-ups, though carrier limits make it less suitable beyond casual use.

The minimum deposit is £10, and that immediately stood out because other Grace Media casinos often let you start with £5.

All deposit rules, including limits and transaction times, appear clearly on the cashier page and in the FAQ.

Deposits at Onyx Slots

I made a £10 deposit with Visa to test the process using the “Verified by Visa” check. Once confirmed, the funds appeared in my balance in about 15 seconds. There were no hidden fees, no redirect issues, and the transaction showed immediately in the payment history.

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We liked that payments were processed quickly. The layout of the cashier page also deserves credit for being clean and easy to follow. Still, there’s no ignoring that the number of payment routes feels thin for a licensed UK casino in 2026.

Onyx Slots doesn’t try to oversell its promotions. Compared to other UK casinos, the range is modest: one main welcome offer and maybe a few smaller recurring deals for returning players, occasionally. No deposit bonus is absent here as well.

The game library at Onyx Slots is small. There are a little over 600 titles, most of which are slots from studios such as Pragmatic Play, Evolution, Inspired, and Playtech. It’s enough to fill a few evenings but not enough to keep you coming back for long. Fans of bingo or table games will find little here to hold their attention, as bingo is completely absent and table games are heavily lacking.

The interface doesn’t make navigation easy. The main page lists everything in one stretch, and the Categories tab gives only a few sorting options. There’s a search bar, but it only recognises exact titles, not developers or game types. With so few subcategories, it feels like scrolling through a long page instead of browsing a real library. We liked that each game tile is large and easy to read, but that doesn’t help the main issue.

There is no demo mode, and no information pages for individual games either. You cannot check the rules or the return-to-player rate before starting.

During testing, most titles loaded within 8 to 10 seconds, and once active, they performed steadily. Slot animations stayed consistent, and sound quality was sharp. I didn’t notice any lag while playing multiple titles in a row.

Jordan Conroy Editor

Game Types at Onyx Slots

Slots

There aren’t many titles, but still the category feels balanced. Players are free to choose among Irish-themed slots, Megaways releases, and several jackpot games that add some variety to the small library.

Slot Games at Onyx Slots

I tried Frogged Up and liked its light theme and range of jackpot prizes. Shamrock Trio stood out too, mainly for its bonus rounds, which added a little more activity to an otherwise plain selection.

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Table Games

This part of the site feels neglected. Only a few roulette variants are available, and there isn’t a separate section to view them easily. Anyone who prefers blackjack or poker will notice their absence right away.

Table Games at Onyx Slots

Live Casino

The live section focuses only on the basics: roulette, baccarat, and blackjack. There is nothing outside that range: no live game shows or unusual tables to try.

Live Games at Onyx Slots

Instant Games

Instant games are also a few and limited in scope. The casino doesn’t include Slingo or crash titles, though you can find Lucky Tap and a handful of simple arcade-style games.

Instant Games at Onyx Slots

FlyHigh stood out for its dual betting setup, though the plain design and missing auto cashout make it feel unfinished. Football LuckyTap adds a small sports angle, but after a few rounds, it starts to feel repetitive.

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Onyx Slots’s game section is smaller and less refined than most UK casinos. We liked the fast loading times and reliable performance, but the lack of sorting tools, demo access, and proper variety makes it less appealing for long-term play.

Withdrawal options at Onyx Slots are limited; you only get 5 of them. The minimum withdrawal is £10, while the maximum per transaction is £10,000. Anything above that must be divided into smaller payments.

Withdrawals at Onyx Slots

I tested the process using PayPal with a £50 withdrawal (I had to deposit first). The request went through in about a minute, and the funds arrived in my account roughly eight hours later. For card withdrawals, the waiting time stretched to around two working days, which matches what’s written in the casino’s help section.

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Among the available choices, PayPal proved the quickest, while Visa felt like the most dependable for higher withdrawals. Onyx Slots reviews by the users don’t highlight any massive mishaps in the withdrawal process.

Verification

Before your first withdrawal at Onyx Slots, you’ll need to complete the standard KYC (Know Your Customer) process. This isn’t unique to the site; all UK casinos must verify a player’s identity before releasing funds. The process here is relatively direct, though the page layout could explain it better for new users.

Verification happens through the Account section, where you’ll find a tab labelled Document Upload. The casino asks for proof of identity, address, and payment method. A passport or driving licence covers the first part, while a recent utility bill or bank statement works for the address check. For payment proof, a cropped screenshot of your PayPal profile or card statement usually does the job.

I uploaded all documents late in the afternoon, and approval arrived the next morning, about 18 hours in total. Once verified, the system marked my account automatically, and the withdrawal tab became active. The casino may also ask for source of funds evidence if your activity triggers the internal review threshold, which follows the usual UKGC procedure.

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Onyx Slots pays out on time and doesn’t complicate the process. The few available methods and the small fee on minor cashouts keep it from scoring higher, but overall, the site handles withdrawals honestly.

You can get in touch with the Onyx Slots support team via live chat or email. Alternatively, you can use the FAQ section located at the bottom of the homepage. There’s also an option to contact the team by text at +44 7360 275976, though this line is not meant for detailed account issues.

Support is available every day of the week, and while the range of contact tools feels limited, the staff handle most matters reliably once reached.

I clicked the live chat icon, and a short form appeared asking for my name, email, and date of birth before the chat began. It took me about a minute to reach a live agent.

During my checks, responses stayed polite and concise. One query about a failed deposit was handled directly in chat. Another one, considering bonus spins, needed to be reviewed by another department; I received an email update later that evening.

Jordan Conroy Editor

Email support, available through [email protected], suits slower matters like verification or payment confirmations. Replies usually arrive within six to twenty-four hours.

The FAQ page has 30+ topics such as account setup, deposits, withdrawals, and responsible play. It’s written in plain English but looks dated and lacks a search tool, which makes it less convenient when you need quick answers. It still is rather informative despite this.

Support at Onyx Slots

The support setup at Onyx Slots is small, but it works fine. Live chat is the quickest and most effective route, while email works well for follow-ups.