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

Current Promotion

Pros

Video Slots featured at Onyx Slots as of September 2025

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
  • Autoplay
  • Wilds
Type
  • Theme: Modern
  • Has Bonus Feature
  • Volatility: Medium
Stats
  • 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

Butterfly Staxx

Butterfly Staxx

One of the most visually stunning slots, featuring sparkling-coloured reels and expressive symbols set in a glowing environment. It also delivers bursts of big payouts and jackpots, even on your mobile.

Butterfly Staxx Features:

Features
  • Free Spins
  • Respins
  • Wilds
  • Scatter Symbols
Type
  • Volatility: Low
  • Theme: Modern
Stats
  • Release Date: 2017-01-09
  • RTP (Return to Players): 96.80%
  • Reels: 5
  • Min Bet: 0.2£
  • Max Bet: 400£ (in UK 5£)
  • Provider: NetEnt
  • Paylines: 40

Dead or Alive

Dead or Alive

Dead or Alive is an iconic high variance slot from Netent with a Wild West theme, featuring well known outlaws Billy The Kid and Jesse James

Dead or Alive Features:

Features
  • Free Spins
  • Respins
  • Wilds
Type
Stats
  • Release Date: 2015-06-09
  • RTP (Return to Players): 95%%
  • Reels: 3
  • Min Bet: 0.1£
  • Max Bet: 100£ (in UK 5£)
  • Provider: NetEnt
  • Paylines: 25

10 001 Nights

10 001 Nights

A fantastic Middle Eastern themed slot game; Collect lamps to fill meters which can in turn deliver high value symbol spins, added wilds, multipliers, free spins and mega wilds.

10 001 Nights Features:

Features
  • Free Spins
  • Respins
  • Wilds
  • Mystery Symbols
Type
  • Volatility: Low
  • Theme: Modern
Stats
  • Release Date: 2016-02-18
  • RTP (Return to Players): 94.73%
  • Reels: 4
  • Min Bet: 0.1£
  • Max Bet: 50£ (in UK 5£)
  • Provider: Red Tiger
  • Paylines: 20

Fin and The Dragon Tales

Fin and The Dragon Tales

Spin with the dragons from just £0.20 a go. This isn’t your usual Fin slot — it’s fresh, modern, and perfect for new players chasing a bit of excitement.

Fin and The Dragon Tales Features:

Features
  • Buy Bonus Game
  • Autoplay
  • Wilds
  • Multipliers
  • Free Spins
Type
  • Theme: Modern
  • Volatility: Medium
Stats
  • Release Date: 2025-03-25
  • RTP (Return to Players): 96.04%
  • Reels: 7
  • Min Bet: 0.2£
  • Max Bet: 120£ (in UK 5£)
  • Provider: NetEnt
  • Paylines: fixed