Onyx Slots Sign up Bonuses & 100 Wager-Free Spins

Onyx Slots is a bonus-focused casino site packed with generous offers, cash prizes, and top-notch games, including 500+ slots, 17 table game classics, and optimised live dealer games, including roulette with high stakes.

It’s a new online casino managed by Grace Media, a company with plenty of professional igaming experience delivering casino entertainment to UK players, so we at Offersbet were excited to explore what the operator had to offer. Let’s see:

All Onyx Slots Bonuses & Offers Code

What struck us straight off the bat was the sheer volume of casino bonuses under the promotions tab. You can enjoy a whole rake of bonuses when you first sign up, as well as monthly bonus wheel spins. What is the bonus code for Onyx Slots? The good news is that no promo code is required; simply visit onyxslots.com using our registration link to get started.

Onyx Slots Sign Up Bonus: Up to 100 Wager-Free Spins

Deposit and wager £10 on slots to earn 20 free spins on Zeus vs Hades: Gods of War from Pragmatic Play with no wagering requirement on winnings.

You can claim this offer up to 5 times for a maximum of 100 free spins with an in-game value of 10p per spin. No wagering requirement is attached to your spins, but winnings are capped at £100.

Onyx Slots Deposit Bonus: Five Days of Casino Spins

Get up to 150 free spins when you make your first deposit of £10 or more. There are three tiers to this Onyx Slots bonus, each offering higher rewards, depending on how much you deposit, as follows:

• Tier 1: Deposit and wager £10 to unlock the Welcome Wheel and receive up to 10 free spins valued at 10p on Cowboys Gold
• Tier 2: Deposit and wager £50 and unlock the Enhanced Welcome Wheel and receive up to 20 free spins valued at 20p on Cowboys Coins
• Tier 3: Deposit and wager £100 to unlock the Ultimate Welcome Wheel and up to 30 free spins valued at 20p on Cowboys Coins.

The welcome wheel will appear for five consecutive days after your qualifying deposit. Winnings are awarded as cash up to a maximum of £500.

Onyx Slots No-Deposit Bonus Spins

Receive 10 no-deposit free spins valued at 10p per spin on the Finn and the Swirly Spin slot when you register and complete text message validation. A wagering requirement of 40x applies. The Onyx no deposit bonus code is not required; go to onyxslots.com to claim now! Alternatively, you can use the AGRIO code for a good match bonus spins. By the way, the sister site to Onyx Slots, Rollbit also offers 10 no deposit spins for selected games.

Onyx Slots £100 Cashback Bonus + 150 Bonus

Deposit and claim up to 150 bonus spins on Big Bass Splash. Plus, receive 10% cashback up to £100 on net losses from your first deposit.

• Deposit between £10 and £49.99 for 50 free spins
• Deposit between £50 and £99.99 for 100 free spins
• Deposit £100+ for 150 free spins

Free spins are valued at 10p and are valid for Pragmatic’s Big Bass Splash. All winnings carry a wagering requirement of 30x, which must be completed within 7 days.

Welcome 5: Deposit Match & Free Spins

Enjoy free spins on Big Bass Bonanza slot and a deposit match on each of your first three deposits as follows:

• 1st Deposit: Wager £20 for 10 free spins + 50% match up to £20
• 2nd Deposit: Wager £40 for 20 free Spins + 75% match up to £40
• 3rd Deposit: Wager £60 for 30 free Spins + 100% match up to £60

Welcome 6: 200 Bonus Spins Across Your 5 Deposits

The final welcome bonus is up to 200 free spins on the Book of Vikings slot from Pragmatic Play, which are dished out in lots of 60, 50, 40, 30, and 20 across your first five deposits. The minimum deposit required to qualify is £20.

Free spins are played at 10p per spin and carry a wagering requirement of 30x, which must be completed within seven days.

Onyx Slots Casino Games & Online Slots With High RTP %

With a collection of over 600 games, Onyx Slots offers a diverse selection, including award-winning online slots from the industry’s leading studios, such as Pragmatic, Games Global, and Blueprint, live dealer table games, and thrilling game show titles. It also includes a bunch of instant-win games like Slingos, crash games, and LuckyTaps.

Popular Game Categories:

• Slots: Featuring classic and modern slots such as Book of Dead, Starburst, Gonzo’s Quest Megaways, and Big Bass Bonanza.
• Megaways Slots: High-volatility games like Dynamite Riches Megaways and The Dog House Megaways offer dynamic gameplay.
• Table Games: Includes various versions of blackjack, roulette, and poker.
• Live Casino: Hosted by Evolution Gaming, offering games like Dream Catcher, Monopoly Live, and Lightning Roulette.
• Instant Win Games: Games like Slingo and scratchcards for quick, casual play.

How to Contact Onyx Slots

To contact the customer service team, you can use the website’s live chat or send a text message to 07458 159505.

Does Onyx Slots have a sportsbook?

No, there is no sportsbook available at Onyx Slots, but you can find some fantastic sportsbook options on our bookies pages. Do you want to be on sports? Check out our selection of the best UK bookies that offer lots of free bets.

What is the Onyx Slots welcome bonus?

Onyx Slots offers a range of different welcome bonuses, which you can use one after the other, ranging from deposit matches, cashback, and no-deposit free spins. Read all the details in our review above.