Onyx Slots

Last updated: August 4, 2025

Onyx Slots is a betting site in 2026 that provides betting options, including Slots, Live Casino, Slingo and Roulette.

This betting bonuses, include no wager bonus, which most UK betting sites offer to new player players when creating a new account.

Bonuses and Promotions

Onyx Slots offers a betting bonus that players can claim once a account is fully verffied and a minimum deposit is done.

The betting platform offers both signup bonuses and bonuses for players who have already created an account. These bonuses are no wager bonus, which can be found at any new betting site.

Onyx Slots

Bonus: Get 100 No Wager Free Spins

Promotions: no wager bonus

Games Applicable: Big Bass Bonanza

licensed by: UKGC

Minimum Deposit: £10

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Onyx Slots Terms and Conditions: New Customers Only. $/€/£10 Min. Deposit and Wager. 20 Free Spins will be allocated for each of your first 5 deposits of $/€/£10 or more. Bonus valid 48 hours from receipt. Max conversion: $/€/£100. Withdrawal requests void all active/pending bonuses. Full terms apply 18+ T&C's | BeGambleAware® #AD.

No Wagering Bonus

The website 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.

The no wagering slot selected by the betting platform is Big Bass Bonanza .

Game Lobby

The game lobby at Onyx Slots hosts games such as Slots, Live Casino, Slingo and Roulette, all accessible directly in the browser on any device, from mobile to desktop no need to download any apps.

Featured Games in 2026 at this betting site:

Hall of Gods

Hall of Gods is a legendary Norse mythology-themed slot from NetEnt that immerses players in a world of gods, dragons, and epic treasures. Featuring 5 reels and 20 paylines, the game includes expanding wilds, a bonus game, and free spins. Its standout feature is the progressive jackpot, offering the chance to win life-changing prizes. With stunning visuals and atmospheric sound design, Hall of Gods delivers a powerful and immersive gaming experience.

Hall of Gods Features:

Features

• Free Spins
• Wilds
• Scatter Symbols
• Autoplay

Type

• Theme: Modern
• Game Type: Jackpot Games
• Game Type: Progressive Jackpots
• Volatility: Medium

Stats

• Release Date: 2013-10-01
• RTP (Return to Players): 96.10%
• Reels: 5
• Min Bet: 0.20£
• Max Bet: 50£ (in UK 5£)
• Provider: NetEnt
• Paylines: 20

Busters Bones

Buster's Bones takes us to the wild, wild West, where Buster the dog and his companion serve as the sheriffs in town.

Busters Bones Features:

Features

• Free Spins
• Multipliers
• Autoplay

Type

• Theme: Modern
• Volatility: Medium
• Volatility: High
• Game type: Megaway Slots
• Game Type: Cascade Slots
• Has Bonus Feature

Stats

• Release Date: 2023-04-20
• RTP (Return to Players): 94.04%
• Min Bet: £
• Max Bet: £ (in UK 5£)
• Provider: NetEnt

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:

Features

• Free Spins
• Expanding Wild
• sticky Symbols
• Wilds
• Mystery Symbols
• Scatter Symbols
• Autoplay

Type

• Theme: Modern
• Volatility: Low

Stats

• Release Date: 2019-02-22
• RTP (Return to Players): 96.44%
• Reels: 5
• Min Bet: 0.20£
• Max Bet: 400£ (in UK 5£)
• Provider: NetEnt
• Paylines: 40

Matsuri Slot

Feel the pulse and excitement of a traditional Japanese festival in Matsuri, a beautiful 5-reel slot from Play'n GO that honours the culture and traditions of East Asia.

Matsuri Slot Features:

Features

• Free Spins
• Wilds
• Multipliers
• Scatter Symbols
• Autoplay
• Pay Both Ways

Type

• Theme: Modern
• Volatility: Medium

Stats

• Release Date: 2020-06-01
• RTP (Return to Players): 96.20%
• Reels: 5
• Min Bet: 0.25£
• Max Bet: 100£ (in UK 5£)
• Provider: Play'n GO
• Paylines: 10

Pros

• Wagering Free Free Welcome Bonus
• Top For Slots
• Fully Licensed

Review

Onyx Slots is a UK betting site for players looking for the latest games, such as Slots, Live Casino, Slingo and Roulette and a bonus . It features software providers that are RTP-verified by a third party and well-known in the gambling industry.

Overall, this betting site offers something for all betting players in 2025, and we would rate it at 4 out of 5 stars.

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 at the betting site, 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.