Onyx Slots Sister Site
Onyx Slots, a online casino 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+
PlayUK Casino
Welcome Bonus up to £100
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's & C's Apply.
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 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
Current Promotion
Pros
- Wagering Free Free Welcome Bonus
- Top For Slots
- Fully Licensed
Video Slots featured at Onyx Slots as of September 2025
Guns N' Roses
Never has it been more fun to travel back to the joyful 80s, packed with rock ’n’ roll and backstage antics. This online slot delivers real nostalgia along with the potential for big wins.
Guns N' Roses Features:
- Free Spins
- Wilds
- Multipliers
- Scatter Symbols
- Autoplay
- Volatility: Medium
- Theme: Modern
- Release Date: 2016-01-21
- RTP (Return to Players): 96.98%
- Reels: 5
- Min Bet: 0.20£
- Max Bet: 200£ (in UK 5£)
- Provider: NetEnt
- Paylines: 20
Wild Bazaar
What hidden treasures await in this vibrant Middle Eastern slot? Spin the reels and unlock the mystery of the blue or pink chest which one will reveal the biggest payouts?
Wild Bazaar Features:
- Respins
- Expanding Wild
- Sticky Symbols
- Wilds
- Multipliers
- Autoplay
- Theme: Modern
- Volatility: Low
- Release Date: 2018-10-24
- RTP (Return to Players): 96.15%
- Reels: 5
- Min Bet: 0.20£
- Max Bet: 400£ (in UK 5£)
- Provider: NetEnt
- Paylines: 26
Cat Wilde And The Incan Quest
The daring Cat Wilde is back for another expedition, and this time, she’ll be delving into the dense Peruvian Amazon on the hunt for some of the world’s most elusive treasures.
Cat Wilde And The Incan Quest Features:
- Free Spins
- Wilds
- Respins
- Scatter Symbols
- Autoplay
- Theme: Modern
- Volatility: High
- Release Date: 2024-02-01
- RTP (Return to Players): 96.20%
- Reels: 5
- Min Bet: 0.10£
- Max Bet: 100£ (in UK 5£)
- Provider: Play'n GO
- Paylines: 10
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
Twin Spin Deluxe
Looking for an Extra Delux slot with big payouts and thrilling bonus rounds? Spin the reels on this top-rated slot and see if luck's on your side!
Twin Spin Deluxe Features:
- Free Spins
- Wilds
- Scatter Symbols
- Autoplay
- Theme: Modern
- Volatility: Medium
- Release Date: 2018-06-17
- RTP (Return to Players): 96.61%
- Reels: 6
- Min Bet: 0.10£
- Max Bet: 200£ (in UK 5£)
- Provider: NetEnt
- Paylines: 243
Player Reviews
Leave your thoughts and opinions below