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
Royale Lounge Casino
Bet £20 get 100 spins on John Hunter and The Book of Tut
Is Licensed By: UKGC
terms and conditions
First deposit only. Deposit & wager £20 on slots for 100 free spins. Max one claim per player. Spins valid on Big Bass Splash (10p each), credited within 7 days. Spins valid for 7 days. 18+. Full T&Cs apply
Lady Luckmore Casino
Bet £20 get 100 spins on John Hunter and The Book of Tut
Is Licensed By: UKGC
terms and conditions
First deposit only. Deposit & wager £20 on slots for 100 free spins. Max one claim per player. Spins valid on Big Bass Splash (10p each), credited within 7 days. Spins valid for 7 days. 18+. Full T&Cs apply
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
Divine Fortune Black
Enter the shadows with Divine Fortune Black™ — a darker reimagining of the classic Divine Fortune slot, where the same massive jackpots await.
Divine Fortune Black Features:
- Buy Bonus Game
- Scatter Symbols
- Free Spins
- Autoplay
- Wilds
- Instant Wins
- Respins
- Expanding Symbols
- Theme: Modern
- Game Type: Progressive Jackpots
- Volatility: High
- Release Date: 2025-05-13
- RTP (Return to Players): 96.08%
- Reels: 5
- Min Bet: 0.2£
- Max Bet: 20£ (in UK 5£)
- Provider: NetEnt
- Paylines: 20
Bullion Xpress
Bullion Xpress™ is a steampunk slot where fortune rides the rails. With a mystical train soaring above the reels, every spin brings the chance to uncover treasures – but only the boldest players will claim the riches inside.
Bullion Xpress Features:
- Wilds
- Multipliers
- Mystery Symbols
- Respins
- Volatility: Medium
- Volatility: High
- Theme: Modern
- Release Date: 2025-09-25
- RTP (Return to Players): 96.29%
- Min Bet: 0.10£
- Max Bet: 100£ (in UK 5£)
- Provider: Play'n GO
- Paylines: 10
Piggy Riches Megaways
The iconi Netent slot but with a Megaways license (more ways to win) Netent and Red Tiger have teamed up to bring us Piggy Riches Megaways a 6 reel and up to 117,649 ways to win mega slot!
Piggy Riches Megaways Features:
- Free Spins
- Wilds
- Multipliers
- Scatter Symbols
- Volatility: Medium
- Game type: Megaway Slots
- Release Date: 2017-02-18
- RTP (Return to Players): 96,33%
- Reels: 5
- Min Bet: 0.15£
- Max Bet: 75£ (in UK 5£)
- Provider: NetEnt
- Paylines: 15
Conan Slot
Join Conan the Barbarian as he steps into battle against mystery symbols, wilds, and the chance to claim big wins. Do you have the strength to spin the reels and conquer the rewards?
Conan Slot Features:
- Free Spins
- Expanding Wild
- Wilds
- Multipliers
- Scatter Symbols
- Autoplay
- Theme: Modern
- Volatility: Medium
- Release Date: 2018-09-24
- RTP (Return to Players): 96.28%
- Reels: 6
- Min Bet: 0.20£
- Max Bet: 200£ (in UK 5£)
- Provider: NetEnt
- Paylines: 24
Leprechaun's Diamond Dig
They say spotting a leprechaun brings good luck – but what if he brings a minecart, too? Hidden deep beneath clover-covered hills lies a mine buzzing with magic and mystery – and it’s brimming with glittering treasures waiting to be unearthed.
Leprechaun's Diamond Dig Features:
- Scatter Symbols
- Free Spins
- Instant Wins
- Theme: Modern
- Volatility: Medium
- Release Date: 2025-08-26
- RTP (Return to Players): 96.2%
- Reels: 5
- Min Bet: 0.1£
- Max Bet: 50£ (in UK 5£)
- Provider: Play'n GO
- Paylines: 12
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