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+
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
Onyx Slots
Bonus: Wager Free Spins Welcome Package
Promotions: no wager bonus
Bonus Spins: 50 Bonus Spins
Games Applicable: Big Bass Bonanza
Wager Requirement: None
licensed by: UKGC
Minimum Deposit: £10
Onyx Slots Terms and Conditions: New Customers Only. $/€/£10 Min. Deposit and Wager. 20 Free Spins will be allocated for each of your first 5 deposits of $/€/£10 or more. Bonus valid 48 hours from receipt. Max conversion: $/€/£100. Withdrawal requests void all active/pending bonuses. Full terms apply 18+ T&C's | BeGambleAware® #AD.
Pros
- Wagering Free Free Welcome Bonus
- Top For Slots
- Fully Licensed
Video Slots featured at Onyx Slots as of August 2025
Asgardian Stones
What hidden rewards do the mighty gods of Asgard have in store? Step into a world where Norse and Greek deities collide in one powerful slot game, packed with mythical features and the chance to land a massive payout. Spin now and discover what the gods are guarding!
Asgardian Stones Features:
- Free Spins
- Wilds
- Multipliers
- Scatter Symbols
- Autoplay
- Theme: Modern
- Game Type: Cascade Slots
- Game Type: Avalanche
- Volatility: Medium
- Release Date: 2018-01-24
- RTP (Return to Players): 96.3%
- Reels: 5
- Min Bet: 0.20£
- Max Bet: 200£ (in UK 5£)
- Provider: NetEnt
- Paylines: 20
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
Willys Hot Chillies Slot
Join us in vibrant Mexico for a full-on fiesta—complete with piñatas, spicy food, and a chance to grab some extra free spins. This festive slot comes loaded with big win potential and exciting multipliers. Spin the piñata and see what rewards fall your way!
Willys Hot Chillies Slot Features:
- Wilds
- Free Spins
- Bonus Wheels
- Theme: Modern
- Volatility: Medium
- Game Type: Jackpot Games
- Release Date: 2020-07-30
- RTP (Return to Players): 96%
- Min Bet: 0.20£
- Max Bet: 40£ (in UK 5£)
- Provider: NetEnt
- Paylines: 20
Boat Bonanza Rider
Grab your life vest and tighten your grip – you’re in for a wild ride on the open sea. In Boat Bonanza Rider, the fishing crew has ditched their usual haunts for something far less predictable. There are no buoys, no bait... just nerves of steel and the lure of escalating rewards.
Boat Bonanza Rider Features:
- Autoplay
- Multipliers
- Theme: Modern
- Volatility: Medium
- Volatility: High
- Game Type: Crash
- Release Date: 2025-05-27
- RTP (Return to Players): 97.7%
- Reels: 6
- Min Bet: 0.1£
- Max Bet: 100£
- Provider: Play'n GO
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
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