Onyx Slots Review
Last updated:
Onyx Slots has closed. We recommend trying one of these casinos instead
About
Sovereign Place, 117 Main Street, Gibraltar, GX11 1AA, Gibraltar
2023
Our rating: 4/5
Games Overview
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Slots
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Live Casino
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Slingo
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Netent
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Play'n GO
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Pragmatic Play
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Microgaming
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Red tiger
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Irondog
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Foxium
Payment Overview
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visa
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Mastercard
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trustly
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PayPal
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Interac
Bonus Overview
AU Players Not Accepted
- no wager bonus
$10
Our rating: 4/5
Onyx Slots is an Aussie online casino that lets players wager on Slots, Live Casino and Slingo.
It features well-known software providers, such as Netent, Play'n GO, Pragmatic Play, Microgaming, Red tiger, Irondog and Foxium, which are among the most popular providers listed at new casino sites in Australia.
Bonuses and Promotions
Onyx Slots rewards new players with a casino bonus where players will need to create a new account, or for current player to claim on selected days.
Current promotion running at this casino for December 2025 includes:
No Wagering Bonus
The casino offers a no-wagering bonus, providing free spins with no wagering requirements for new players on selected slots.
To claim the free spins, players simply need to create a new account, make a minimum deposit, and use it on one of the selected no-wagering slots.
No-wagering slots are an excellent way to enjoy extra bonus spins without the hassle of wagering requirements.
Game Lobby
The game lobby at Onyx Slots hosts slot games in all varriants, all accessible directly in the browser on any device, from mobile to desktop no need to download any apps.
Below are the slot games currently featured as of December 13, 2025 at this casino:
Gemix 100
Gemix 100 by Play'n GO features a unique mechanic where 5+ matching symbols trigger wins, with new symbols filling the grid. The Crystal Charge and Wild Game modes add to its appeal, offering a fresh video slot experience, launched on August 29, 2024.
Gemix 100 Features:
- Free Spins
- Respins
- Autoplay
- Wilds
- Theme: Modern
- Volatility: High
- Cluster Pays
- Release Date: 2024-08-29
- RTP (Return to Players): 96.2%%
- Reels: 7
- Min Bet: 0.1$
- Max Bet: 100$
- Provider: Play'n GO
- Paylines: 10
Golden Grimoire
Turn the reels and uncover the right spell to trigger jackpots and hidden free spins in this magical online slot adventure.
Golden Grimoire Features:
- Free Spins
- Expanding Wild
- Sticky Symbols
- Wilds
- Mystery Symbols
- Scatter Symbols
- Autoplay
- Theme: Modern
- Volatility: Low
- Release Date: 2019-02-22
- RTP (Return to Players): 96.44%
- Reels: 5
- Min Bet: 0.20$
- Max Bet: 400$
- Provider: NetEnt
- Paylines: 40
Strolling Staxx Slot
Combine different fruits on the reels to create a fruit salad of big payouts. Let the reels spin and watch the symbols line up for juicy wins!
Strolling Staxx Slot Features:
- Free Spins
- Wilds
- Multipliers
- Scatter Symbols
- Autoplay
- Theme: Classic
- Theme: Modern
- Volatility: Medium
- Release Date: 2020-05-07
- RTP (Return to Players): 96.2%
- Reels: 5
- Min Bet: 0.10$
- Max Bet: 200$
- Provider: NetEnt
- Paylines: 10
Boat Bonanza Rider
Grab your life vest and tighten your grip – you’re in for a wild ride on the open sea. In Boat Bonanza Rider, the fishing crew has ditched their usual haunts for something far less predictable. There are no buoys, no bait... just nerves of steel and the lure of escalating rewards.
Boat Bonanza Rider Features:
- Autoplay
- Multipliers
- Volatility: Medium
- Volatility: High
- Game Type: Crash
- Release Date: 2025-05-27
- RTP (Return to Players): 97.7%
- Reels: 6
- Min Bet: 0.1$
- Max Bet: 100$
- Provider: Play'n GO
Pros
- Wagering Free Free Welcome Bonus
- Top For Slots
- Fully Licensed
Mobile
Onyx Slots hosts a fully mobile-optimized platform that allows players to find their favorite games instantly without needing to download any apps. It supports all mobile devices, streaming games in full HD over a secure HTTPS connection.
Is it Legit?
Onyx Slots features well-known software providers with a strong reputation for delivering secure and legitimate online gambling experiences. These providers are RTP-verified by a third party and support responsible gambling.
How to Register an Account and Claim the Bonus
To login at Onyx Slots you will need to have a account, To create a new account and claim the bonus, click the "Visit" button above and follow these easy steps:
- Click the "Register" or "Claim" button.
- Fill out the form with your gender, name, date of birth, phone number, and email.
- Accept the terms and conditions.
- Once your account is verified and created, make a minimum deposit to claim the bonus.
- After making the minimum deposit, you can claim the bonus once it has been activated.
We recommend claiming the bonus only after your account is created and you can successfully login on the website.
Faq
Do free spins for a no wagering bonus come with a wagering requirement?
No, the free spins at Onyx Slots come with no wagering requirement. Once all free spins have been used, players can instantly withdraw any winnings from the free spins.
How do I claim the free spins for the no wagering bonus?
To claim the free spins in the no wagering bonus, you need to create an account and make a minimum deposit. Once the minimum deposit is wagered in the casino, you will receive the free spins in the banking section of the website.
Are the free spins non-cashable?
Yes, the free spins are non-cashable, meaning that players will need to wager all the free spins. If the free spins come with no wagering requirement, players can instantly withdraw any winnings from the free spins.
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