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+
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 , Livecasino , 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
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
Mega Don Feeding Frenzy
He is back and hungry for fish; this colorful new slot from Play'n GO does have a real bite.
Mega Don Feeding Frenzy Features:
- Mystery Symbols
- Expanding Symbols
- Scatter Symbols
- Free Spins
- Autoplay
- Theme: Modern
- Volatility: High
- Release Date: 2023-01-07
- RTP (Return to Players): 95%
- Reels: 5
- Min Bet: 0.1£
- Max Bet: 100£ (in UK 5£)
- Provider: Play'n GO
- Paylines: 1024
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
Twin Spin
A brilliant timeless classic slot, packed with big win potential and rewarding payouts – whether you're a casual player or a true VIP chasing jackpot-sized wins.
Twin Spin Features:
- Wilds
- Autoplay
- Theme: Classic
- Game type: Megaway Slots
- Volatility: Medium
- Release Date: 2013-05-20
- RTP (Return to Players): 96.56%
- Reels: 5
- Min Bet: 0.25£
- Max Bet: 125£ (in UK 5£)
- Provider: NetEnt
- Paylines: 243
Piggy Riches
Piggy Riches™ is a reimagining of a classic NetEnt slot, featuring money-savvy piggies chasing massive wins. Packed with a modern twist and upgraded features, it brings fresh excitement to a beloved favorite.
Piggy Riches Features:
- Buy Bonus Game
- Walking Wilds
- Wilds
- Respins
- Free Spins
- Theme: Modern
- Volatility: High
- Has Bonus Feature
- Release Date: 2025-08-26
- RTP (Return to Players): 96.06%
- Reels: 5
- Min Bet: 02£
- Max Bet: 40£ (in UK 5£)
- Provider: NetEnt
- Paylines: 20
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