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

Riches of Midgard

Riches of Midgard

Enter the fabled land of Midgard, a lush kingdom with a cartoon aesthetic. The vibe, on the whole, is pretty cheery and upbeat, maintaining premium graphics and a Norse themed soundtrack throughout.

Riches of Midgard Features:

Features
  • Respins
  • Free Spins
  • Scatter Symbols
  • Wilds
Type
  • Volatility: Low
  • Volatility: Medium
  • Theme: Modern
Stats
  • Release Date: 2020-12-01
  • RTP (Return to Players): 96.03%%
  • Reels: 3
  • Min Bet: 0.20
  • Max Bet: 100
  • Provider: NetEnt
  • Paylines: 9-27

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

Disco Danny Slot

Disco Danny Slot

Step back into the groovy 1970s and hit the disco floor, where flashing lights, funky moves, and exciting features await. This slot brings serious energy—and the chance for some of the biggest payouts—right there on the dance floor. Let’s hit the floor and spin for those bonus features!

Disco Danny Slot Features:

Features
  • Free Spins
  • Scatter Symbols
  • Multipliers
Type
  • Theme: Classic
  • Volatility: High
Stats
  • Release Date: 2020-11-01
  • RTP (Return to Players): 96.04%
  • Reels: 3
  • Min Bet: 0.10
  • Max Bet: 75
  • Provider: NetEnt

Cash Truck Three Turbo

Cash Truck Three Turbo

Another masterpiece has just arrived from Quickspin - Cash Truck 3 Turbo a action packed slot.

Cash Truck Three Turbo Features:

Features
  • Buy Bonus Game
  • Free Spins
  • Wilds
  • Expanding Wild
  • Scatter Symbols
  • Respins
  • Autoplay
  • Mystery Symbols
  • Multipliers
  • sticky Symbols
Type
  • Volatility: High
  • Theme: Modern
  • Has Bonus Feature
Stats
  • Release Date: 2024-04-09
  • RTP (Return to Players): 96%
  • Reels: 5
  • Min Bet: 0.2
  • Max Bet: 100
  • Provider: NetEnt
  • Paylines: 16807

Willys Hot Chillies Slot

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:

Features
  • Wilds
  • Free Spins
  • Bonus Wheels
Type
  • Theme: Classic
  • Theme: Modern
  • Volatility: Medium
  • Game Type: Jackpot Games
Stats
  • Release Date: 2020-07-30
  • RTP (Return to Players): 96%
  • Reels:
  • Min Bet: 0.20
  • Max Bet: 40
  • Provider: NetEnt
  • Paylines: 20