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. 100% Bonus Match up to £100. Min deposit £10. Credited within 7 days. 40x wagering, £100 max conversion. Max one claim per player. 18+ T&C 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
Current Promotion
Pros
- Wagering Free Free Welcome Bonus
- Top For Slots
- Fully Licensed
Video Slots featured at Onyx Slots as of October 2025
Mafia Gold
Mafia Gold by Play’n GO is set in the world of a classic mafia theme, during the early years of the mafia era. This video slot is packed with unique bonus features, high-quality game art, and smooth gameplay, launched on August 1, 2024.
Mafia Gold Features:
- Wilds
- Multipliers
- Instant Wins
- Free Spins
- Expanding Wild
- Mystery Symbols
- Scatter Symbols
- Volatility: High
- Theme: Modern
- Release Date: 2024-08-01
- RTP (Return to Players): 96.2%
- Reels: 5
- Min Bet: 0.1£
- Max Bet: 50£ (in UK 5£)
- Provider: Play'n GO
- Paylines: 30
Loot And Labyrinths
Throw the dice across the reels and join the magician in this RPG-inspired slot. It's packed with magic and the chance for big wins.
Loot And Labyrinths Features:
- Bonus Wheels
- Wilds
- Free Spins
- Multipliers
- Mystery Symbols
- Autoplay
- Theme: Modern
- Volatility: Medium
- Volatility: High
- Game Type: Progressive Jackpots
- Release Date: 2025-04-03
- RTP (Return to Players): 96.34%
- Reels: 5
- Min Bet: 0.2£
- Max Bet: 200£ (in UK 5£)
- Provider: Play'n GO
- Paylines: 20
Whispering Winds Slot
Enter the hidden world of ninjas in this Asian-inspired slot, where vibrant visuals and the chance for big payouts come together for an exciting gameplay experience.
Whispering Winds Slot Features:
- Free Spins
- Expanding Symbols
- Scatter Symbols
- Autoplay
- Instant Wins
- Multipliers
- Mystery Symbols
- Theme: Modern
- Volatility: Medium
- Release Date: 2024-07-11
- RTP (Return to Players): 96.23%
- Reels: 5
- Min Bet: 0.05£
- Max Bet: 100£ (in UK 5£)
- Provider: Play'n GO
- Paylines: 25
Rainforest Gold Slot
Venture deep into the heart of the rainforest, where wild creatures rule the reels. For the lucky ones, untold treasures await among the spinning symbols.
Rainforest Gold Slot Features:
- Free Spins
- Autoplay
- Wilds
- Theme: Modern
- Has Bonus Feature
- Volatility: Medium
- Release Date: 2024-03-12
- RTP (Return to Players): 96.08%
- Reels: 5
- Min Bet: 0.1£
- Max Bet: 8£ (in UK 5£)
- Provider: NetEnt
Wild Mining XXXtreme
Mining for gold? The creatures of Wild Mines are here to help you blast through the caves with dynamite and uncover massive wins.
Wild Mining XXXtreme Features:
- Buy Bonus Game
- Wilds
- Free Spins
- Autoplay
- Volatility: High
- Theme: Modern
- Game Type: Cascade Slots
- Game Type: Avalanche
- Release Date: 2025-02-27
- RTP (Return to Players): 96.08%
- Reels: 6
- Min Bet: 0.2£
- Max Bet: 20£ (in UK 5£)
- Provider: NetEnt
- Paylines: fixed
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