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
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 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
Current Promotion
Pros
- Wagering Free Free Welcome Bonus
- Top For Slots
- Fully Licensed
Video Slots featured at Onyx Slots as of August 2025
Rich Wilde and The Tome of Dead
Dive into the hidden tombs with Rich Wilde, where falling symbols, stacked wilds, and exciting free spins unlock thrilling wins in this adventure-packed slot game.
Rich Wilde and The Tome of Dead Features:
- Wilds
- Multipliers
- Scatter Symbols
- Free Spins
- Stacked Wilds
- Expanding Symbols
- Respins
- Autoplay
- Volatility: High
- Theme: Modern
- Release Date: 2025-04-24
- RTP (Return to Players): 96.20%
- Reels: 5
- Min Bet: 0.10£
- Max Bet: 100£ (in UK 5£)
- Provider: Play'n GO
- Paylines: 10
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
Oasis of Dead Slot
This slot allows players to wager on a 5 x 3 reel with 10 paylines and offers the chance for an extra payout in the game round, which is optional and does not contribute to the RTP.
Oasis of Dead Slot Features:
- Autoplay
- Free Spins
- Wilds
- Theme: Modern
- Volatility: High
- Release Date: 2024-07-04
- RTP (Return to Players): 96.58%
- Reels: 5
- Min Bet: 0.1£
- Max Bet: 100£ (in UK 5£)
- Provider: Play'n GO
- Paylines: 10
Boat Bonanza Down Under
The fishing fleet has set sail for the warmer waters of Australia, but they’ll have to be wary down under. With some pretty big fish about they’ll need help to land some bonza catches.
Boat Bonanza Down Under Features:
- Free Spins
- Multipliers
- Sticky Symbols
- Scatter Symbols
- Instant Wins
- Bonus Wheels
- Theme: Modern
- Volatility: Medium
- Volatility: High
- Release Date:
- RTP (Return to Players): 96%%
- Reels: 5
- Min Bet: 0.10£
- Max Bet: 50£ (in UK 5£)
- Provider: NetEnt
- Paylines: 12
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
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