Onyx Slots Sister Site
Onyx Slots, a sister site hosted by the Grace Media Limited platform, operates alongside several other sister sites.
Siter Sites hosted by Grace Media Limited
Hotstreak Casino
Deposit £20 & Get 100 No Wager Free Spins
Is Licensed By: UKGC
terms and conditions
First deposit only. Min deposit £20. Min wager £20 on slots. Max 100 free spins. Max one claim. Spin credited within 7 days after deposit. Spins valid on Big Bass Splash. Spin Value 10p . Full T&Cs Apply 18+
Vegas Wins Casino
Welcome Bonus up to £500
Is Licensed By: UKGC
terms and conditions
New players only, First 3 deposits only. Min deposit £10. Max total bonus £500 and 150 spins. 30x wagering (dep + bonus). 30x on spins, 4x conversion, bonus and spins valid on selected slots. T&C’s appl
Cosmic Spins Casino
100% up to £100 Welcome Match Deposit Bonus
Is Licensed By: UKGC
terms and conditions
First deposit only. Min deposit £10. 100% Bonus Match on 1st deposit, max £100 bonus; 100 bonus spins on Starburst. 40x wagering(dep+bonus). 40x on spins, 4x conversion, bonus valid on selected slots. Full T&Cs apply. #AD, 18+ only, begambleaware.org
Breakdown of Onyx Slots
- Casino Name: Onyx Slots
- Launch Date: 2023
- Parent Company: Grace Media Limited
- Payment: Visa , Mastercard , Trustly , PayPal , Interac
- Software Providers: Netent , Playngo , Pragmatic , Microgaming , Redtiger , Irondog , Foxium
- Games: Slots , Live Casino , Slingo , Roulette
- Read Review: Onyx Slots
Current Promotion
Onyx Slots
Bonus: Wager Free Spins Welcome Package
Promotions: no wager bonus
Bonus Spins: 50 Bonus Spins
Games Applicable: Big Bass Bonanza
Wager Requirement: None
licensed by: UKGC
Minimum Deposit: £10
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.
Pros
- Wagering Free Free Welcome Bonus
- Top For Slots
- Fully Licensed
Video Slots featured at Onyx Slots as of July 2025
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£ (in UK 5£)
- Provider: NetEnt
- Paylines: 10
Gemix
similar to the popular Candy Crush Saga Game, Gemix is played on 7x7 structure with rainbow colours gems, hearts and stars adorning the reels.
Gemix Features:
- Expanding Rows
- Free Spins
- Mystery Symbols
- Respins
- Multipliers
- Wilds
- sticky Symbols
- Volatility: High
- Game Type: Avalanche
- Game Type: Cascade Slots
- Game type: Megaway Slots
- Release Date: 2018-06-18
- RTP (Return to Players): 96.2%
- Reels: 7
- Min Bet: 0.1£
- Max Bet: 20£ (in UK 5£)
- Provider: Play'n GO
Mega Fortune
Mega Fortune is an iconic progressive jackpot from Netent offering the glitz, glamour and charm of Monte Carlo. Its all about wealth essentially and is one of the most well known progressive slots online. One winner scooped over £17 Million in 2016
Mega Fortune Features:
- Free Spins
- Scatter Symbols
- Autoplay
- Multipliers
- Instant Wins
- Volatility: Medium
- Game Type: Progressive Jackpots
- Game Type: Jackpot Games
- Release Date: 2008-07-24
- RTP (Return to Players): 96.6%
- Reels: 5
- Min Bet: 0.2£
- Max Bet: 100£ (in UK 5£)
- Provider: NetEnt
- Paylines: 20
Berry Burst MAX
Hit the max jackpot with a whopping 6000x your stake, if you're lucky enough to trigger this super mega win on the reels!
Berry Burst MAX Features:
- Respins
- Expanding Wild
- Wilds
- Autoplay
- Theme: Modern
- Volatility: High
- Release Date: 2018-08-24
- RTP (Return to Players): 96.23%
- Reels: 5
- Min Bet: 0.10£
- Max Bet: 200£ (in UK 5£)
- Provider: NetEnt
Neon Staxx
Let’s travel back to the ’80s — a world full of neon lights, purple and pink gradients — in this classic yet relatively new online slot, which offers big payouts and exciting free spins.
Neon Staxx Features:
- Free Spins
- Autoplay
- Scatter Symbols
- Respins
- Wilds
- Theme: Classic
- Volatility: Low
- Volatility: Medium
- Release Date: 2015-06-24
- RTP (Return to Players): 96.9%
- Reels: 5
- Min Bet: 0.2£
- Max Bet: 100£ (in UK 5£)
- Provider: NetEnt
- Paylines: 40
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