ONYX Slots Casino: Get up to 100 Wager-Free Spins

onyxslots casino bonusCreate your new ONYX Slots Casino account today and enjoy 100 wager-free spins on Zeus Vs Hades Gods of War with your first deposits.

For each £10 you deposit and wager on slots, you can claim 20 cash spins on Pragmatic Play’s new slot, valued at 10p per spin. This means you can claim a total of £10 in added-value spins across your first five deposits.

Get up to 100 Wager-Free Spins

First deposit only. Min deposit and stake £10 on slots. Max 20 cash spins. Max 5 claims. Spins valid on Zeus vs Hades Gods of War. Spin value is 10p. Max payout £100. T&C’s Apply. 18+

Details of ONYX Slots Casino's Deposit Bonus
Bonus Value Get up to 100 Wager-Free Spins
Type of Bonus Deposit Bonus
Playable Games Zeus Vs Hades Gods of War
Game Developer Pragmatic Play
Required Bonus Code No bonus code required
Minimum Deposit To be eligible for the spins, players must deposit and wager a minimum of £10 cash on slot games only
Wagering Requirements Zero Wagering
Maximum Winnings Total winnings earned from the spins will be awarded in cash funds up to a maximum of £100. In the event that your total winnings exceed £100 before the spins are fully completed, the other spins will play through and be added to your spin winnings balance, but any winnings will convert into the maximum £100 cash when the spins are fully completed.
Expiration Date Once credited your spins remain valid for 5 days. Should you not redeem the spins in this time period, they will expire and be unavailable for redemption
Terms and Conditions Spins from this promotion should be credited within 15 minutes of the deposit and staking requirements being met. However, if this is not the case, the spins will be credited by no later than 17:00 BST/GMT the following working day.
Available Countries United Kingdom
Game Contributions Play with bonus funds/spins or play on other games, such as Roulette or Blackjack, shall not count towards the staking requirement to qualify for this promotion.

Get started playing this bonus by following these simple steps: how to claim.

ONYX Slots Casino

Lending its name from the oxide mineral used for thousands of years, from bowls in ancient Egypt to plinths for ancient carvings, ONYX Casino is a dense and rich new online gambling website that glimmers with some amazing games, and wager-free bonuses.

Launched recently by Grace Media Limited, the casino is fully licensed by the UK Gambling Commission and has been independently tested by eCOGRA.

ONYX Casino is brought to us by the same reputable team that has launched over 20 popular casinos in recent years. You might know some of the sister sites, including Watchmyspin, Cosmic Spins Casino, PlayUK, Hot Streak Slots, and more.

The casino has a very similar look to many other websites from the same brand because, at its core, it’s powered by software from Markor Technology.

What Do UK Players Think of ONYX Slots Casino?

Because this is a new casino, we haven’t found any reviews or comments from real players about their experiences. We will update this section once we have seen some input from the gambling community about what they think of ONYX Casino.

Casino Games

ONYX Slots is packed with hit games and the latest releases from various providers, including Big Time Gaming, Hacksaw, NetEnt, Play’n GO, Pragmatic Play, Evolution, Neon Valley Studios, and over 50 others.

There are hundreds of slots for you to check out, with some of the most popular being Finn and the Candy Spin, Quick Hit Blitz, Bouncy Balls 2, Blood Suckers, Aloha Cluster Pays, Fruit Shop, Starburst, and many more. You can also find all the newest games featured in the “New” section and some vast winning potential in the “Megaways” area.

The casino also offers a range of instant win games, including scratchcards, crash games, LuckyTap titles, and more. Plus, there’s a large RNG casino section with blackjack, roulette, and poker variations.

Or if you prefer to play against real dealers you can try your luck in the Live Casino section. You’ll find various game types, including Dragon Tiger, Sic Bo, Andar Bahar, Auto Roulette, and more.

onyxslots casino bonus

Casino Features

The casino is committed to offering a safe and responsible casino where you can stay in control and have fun. You’ll find various tools to manage your money and time, including deposit limits, cool-off periods, and links to support and advice organizations.

The casino offers live support via its chat tool from 8 am until 4 am GMT every day, and you can also text message 07458 159505 to speak to a team member.

We found a lack of ongoing promotions at the casino, but if you want to hear from the team about additional offers, be sure to allow email marketing.

The casino software is fully optimised for use on phones and tablets, so if you want to play at ONYX Casino with your mobile devices, you’ll have no issues.

Loyalty & VIP Scheme
While playing at the casino, you can enjoy added weekly value with match bonuses, win boosts, bonus spins, and cash prizes.

Welcome & Casino Bonus
Sign up at ONYX Casino today from the UK and claim 100 wager free spins on Zeus Vs Hades Gods of War slot.

Casino Categories
Home, Hot Slots, New, Featured, Luck Of The Irish, Welcome Slots, Table Games, Live Casino, Instant Win, Megaways, All Games.

Casino Software
Alchemy Gaming, ALL41 Studios, AreaVegas, Aurum Signature Studios, Betgames, BGaming, Big Time Gaming, Booming Games, Buck Stakes Entertainment, Caleta, Crazy Tooth Studio, Evolution Gaming, Evoplay, Ezugi, Fortune Factory, Foxium, Gameburger Studios, Games Global, Gamevy, Gold Coin Studios, Golden Rock Studios, Gong Gaming Technologies, Hacksaw Gaming, Half Pixel Studios, Hammertime, Habanero, High Limit Studio, Infinity Dragon Studios, Ino Games, Iron Dog Studio, Just For The Win, Ka Gaming, Leander Games, Live 5 Gaming, Matrix Games, Microgaming, Nailed it! Games, Neko Games, Neon Valley Studios, NetEnt, NetGaming, Northern Lights Gaming, NYX Gaming Group, Oros Gaming, PearFiction Studios, PLAYGON, Play’n GO, Powderkeg Studios, Pragmatic Play, Prospect Gaming, Pulse 8 Studios, Real Dealer Studios, Realistic games, Red Tiger Gaming, Skywind Group, Slingshot Studios, Slot Factory, Snowborn Games, Spadegaming, Spin Play Games, Spinmatic, Stormcraft Studios, Switch Studios, Triple Edge Studios, Wishbone.

Banking Options
PayPal, Visa, Visa Electron, Mastercard, MuchBetter, Trustly.

Deposit Terms
The minimum deposit at ONYX Casino is £10, and you can deposit varying amounts depending on which banking option you use.

Withdrawal Terms
The minimum withdrawal you can make is £10, but you will be charged a £1.50 fee for any withdrawals under £30. For this reason, we recommend only withdrawing above this threshold to avoid this charge.

UK casinos do not limit withdrawals, which is great news. You can cash out as much as you wish from ONYX Slots.

How to Claim The ONYX Slots Casino Bonus

We’ve created a step-by-step guide on how to claim your welcome bonus package at ONYX Slots Casino. Follow below to get started:

Step 1 – Create Your New ONYX Slots Casino Account

Follow the bonus link and click on “Claim Bonus.” You can then complete the registration form to open your new account.

Step 2 – Claim Your First Deposit Bonus

Upon depositing and wagering £10 or more on slot games, you can claim 20 cash spins on the new Zeus Vs Hades Gods of War slot by Pragmatic Play.

Step 3 – Understand the Terms and Conditions

While these spins are entirely wager-free, you must use them within five days, and the maximum win cap is up to £100.

Step 4 – Claim More Free Spins

This welcome bonus can be claimed five times. You can add £10 or more four more times and claim 20 cash spins each time.

Get up to 100 Wager-Free Spins

First deposit only. Min deposit and stake £10 on slots. Max 20 cash spins. Max 5 claims. Spins valid on Zeus vs Hades Gods of War. Spin value is 10p. Max payout £100. T&C’s Apply. 18+
ONYX Slots Casino
  • First Impressions
  • Usability
  • Experience
  • Casino Games

ONYX Slots Casino Review

This brand new casino from the good people at Grace Media brings you an amazing wager-free welcome bonus, and some of the best games from more than 60 providers. The casino is a little generic as it is powered by Markor Technology, the same as many of the sister-casinos from the same brand, but everything works fine, and its optimised for use on phones and tablets. Sign up today and you can claim up to 100 wager-free spins with your first deposits.


  • Wager-free welcome bonus
  • Large game selection
  • Trusted casino software
  • Regulated by the UKGC
  • Plenty of safer gambling tools
  • Mobile friendly
  • Live Casino section
  • Support via live chat until 4 am each day


  • Limited banking options
  • The casino is similar to other sister casinos
  • Lack of ongoing promotions
  • You must be logged in to use the live chat tool