Onyx Slots Sister Site

Onyx Slots, a online casino 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

Wager Requirement: None

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

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

Strolling Staxx Slot

Strolling Staxx Slot

Combine different fruits on the reels to create a fruit salad of big payouts. Let the reels spin and watch the symbols line up for juicy wins!

Strolling Staxx Slot Features:

Features
  • Free Spins
  • Wilds
  • Multipliers
  • Scatter Symbols
  • Autoplay
Type
  • Theme: Classic
  • Theme: Modern
  • Volatility: Medium
Stats
  • Release Date: 2020-05-07
  • RTP (Return to Players): 96.2%
  • Reels: 5
  • Min Bet: 0.10
  • Max Bet: 200
  • Provider: NetEnt
  • Paylines: 10

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

Dead or Alive 2

Dead or Alive 2

We're heading back to the wild, wild west for a second time to hunt down some big bonuses that come with even bigger payouts. Do you feel lucky?

Dead or Alive 2 Features:

Features
  • Free Spins
  • sticky Symbols
  • Wilds
  • Multipliers
  • Scatter Symbols
  • Autoplay
Type
  • Theme: Modern
  • Volatility: High
Stats
  • Release Date: 2019-04-23
  • RTP (Return to Players): 96.8%
  • Reels: 5
  • Min Bet: 0.09
  • Max Bet: 9.00
  • Provider: NetEnt
  • Paylines: 9

Seregeti Kings Slot

Seregeti Kings Slot

This online slot takes you on a safari through the wilds of Africa, where you’ll come face-to-face with the kings of the savannah, from roaring lions to sleek panthers. With a backdrop set deep in the heart of the savannah, the game delivers a classic slot experience packed with the potential for big wins, especially when luck is on your side.

Seregeti Kings Slot Features:

Features
  • Free Spins
  • Respins
  • Wilds
  • Multipliers
Type
  • Theme: Modern
  • Volatility: Medium
  • Volatility: High
Stats
  • Release Date: 2020-01-01
  • RTP (Return to Players): 96.7%
  • Reels: 5
  • Min Bet: 0.10
  • Max Bet: 100
  • Provider: NetEnt
  • Paylines: 26

Fire Joker

Fire Joker

This slot turns up the heat with Re-Spins and a real chance to win big. Ready to spin? Let’s turn up the heat and see if luck’s on your side!

Fire Joker Features:

Features
  • Respins
  • Wilds
  • sticky Symbols
  • Multipliers
  • Autoplay
Type
  • Theme: Classic
  • Volatility: Medium
Stats
  • Release Date: 2016-06-13
  • RTP (Return to Players): 96.15%
  • Reels: 3
  • Min Bet: 0.05
  • Max Bet: 100
  • Provider: Play'n GO
  • Paylines: 5