Onyx Slots Sister Site

Onyx Slots, a sister site hosted by the Grace Media Limited platform, operates alongside several other sister sites.

Breakdown of Onyx Slots

Current Promotion

Onyx Slots

Bonus: Wager Free Spins Welcome Package

Promotions: no wager bonus

Free Spins: 50 Bonus Spins

Games Applicable: Big Bass Bonanza

Wager Requirement: None

licensed by: UKGC

Minimum Deposit: £10

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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.

Siter Sites hosted by Grace Media Limited

Hotstreak Casino

Deposit £20 & Get 100 No Wager Free Spins

terms and conditions

First deposit only. Min deposit and stake £20 on slots only. Promo code BASS20 required. Max 100 cash spins. Max one claim during promo period. Spins valid on Big Bass Bonanza. Total spin winnings capped at £200 per claim.Full T&Cs 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

Pros

Video Slots featured at Onyx Slots as of June 2025

Fishin Frenzy Slot

Fishin Frenzy Slot

Fishin' Frenzy Slot by Blueprint Gaming offers players the chance to explore this classic 5-reel slot with a fishing and nature theme. Let's go Fishing!

Fishin Frenzy Slot Features:

Features
  • Free Spins
  • Wilds
  • Autoplay
Type
  • Volatility: High
Stats
  • Release Date: 2014-06-17
  • RTP (Return to Players): 92%%
  • Reels: 5
  • Min Bet: 0.1
  • Max Bet: 1
  • Provider: NetEnt
  • Paylines: 10

Hall of Gods

Hall of Gods

Hall of Gods is a legendary Norse mythology-themed slot from NetEnt that immerses players in a world of gods, dragons, and epic treasures. Featuring 5 reels and 20 paylines, the game includes expanding wilds, a bonus game, and free spins. Its standout feature is the progressive jackpot, offering the chance to win life-changing prizes. With stunning visuals and atmospheric sound design, Hall of Gods delivers a powerful and immersive gaming experience.

Hall of Gods Features:

Features
  • Free Spins
  • Wilds
  • Scatter Symbols
  • Autoplay
Type
  • Theme: Modern
  • Game Type: Jackpot Games
  • Game Type: Progressive Jackpots
  • Volatility: Medium
Stats
  • Release Date: 2013-10-01
  • RTP (Return to Players): 96.10%
  • Reels: 5
  • Min Bet: 0.20
  • Max Bet: 50
  • Provider: NetEnt
  • Paylines: 20

Guns N' Roses

Guns N' Roses

Never has it been more fun to travel back to the joyful 80s, packed with rock ’n’ roll and backstage antics. This online slot delivers real nostalgia along with the potential for big wins.

Guns N' Roses Features:

Features
  • Free Spins
  • Wilds
  • Multipliers
  • Scatter Symbols
  • Autoplay
Type
  • Volatility: Medium
  • Theme: Modern
Stats
  • Release Date: 2016-01-21
  • RTP (Return to Players): 96.98%
  • Reels: 5
  • Min Bet: 0.20
  • Max Bet: 200
  • Provider: NetEnt
  • Paylines: 20

Rainforest Gold Slot

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:

Features
  • Free Spins
  • Multipliers
  • Autoplay
Type
  • Theme: Modern
  • Theme: Classic
  • Has Bonus Feature
Stats
  • Release Date: 2024-03-12
  • RTP (Return to Players): 96.08%
  • Reels: 5
  • Min Bet: 0.1
  • Max Bet: 8
  • Provider: NetEnt

Merlin Realm Of Charm Slot

Merlin Realm Of Charm Slot

Step into a world of magic in Merlin Realm of Charm, where you’ll have the chance to land magical winnings—if luck is on your side.

Merlin Realm Of Charm Slot Features:

Features
  • Multipliers
  • Free Spins
  • Instant Wins
  • Autoplay
  • Respins
Type
  • Volatility: High
  • Theme: Modern
Stats
  • Release Date: 2024-01-13
  • RTP (Return to Players): 96.2%
  • Reels: 5
  • Min Bet: 0.1
  • Max Bet: 100
  • Provider: Play'n GO