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

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

Trollpot 5000 Slot

Trollpot 5000 Slot

Get ready to spin in this classic-style slot, packed with jokers and dazzling gems. Don’t let the cartoonish charm fool you—this game comes with some of the biggest payout potential around. It’s simple, fast-paced, and full of surprises.

Trollpot 5000 Slot Features:

Features
  • Nudge Feature
  • Multipliers
Type
  • Theme: Classic
  • Game Type: Jackpot Games
  • Volatility: High
Stats
  • Release Date: 2020-06-01
  • RTP (Return to Players): 96.19%
  • Reels: 3
  • Min Bet: 0.20
  • Max Bet: 200
  • Provider: NetEnt
  • Paylines: 1

Oasis of Dead Slot

Oasis of Dead Slot

This slot allows players to wager on a 5 x 3 reel with 10 paylines and offers the chance for an extra payout in the game round, which is optional and does not contribute to the RTP.

Oasis of Dead Slot Features:

Features
  • Autoplay
  • Buy Bonus Game
  • Free Spins
  • Multipliers
  • Respins
  • Wilds
  • Expanding Symbols
Type
  • Theme: Modern
  • Volatility: High
Stats
  • Release Date: 2024-07-04
  • RTP (Return to Players): 96.58%
  • Reels: 5
  • Min Bet: 0.1
  • Max Bet: 100
  • Provider: Play'n GO
  • Paylines: 10

Twin Spin Deluxe

Twin Spin Deluxe

Looking for an Extra Delux slot with big payouts and thrilling bonus rounds? Spin the reels on this top-rated slot and see if luck's on your side!

Twin Spin Deluxe Features:

Features
  • Free Spins
  • Wilds
  • Scatter Symbols
  • Autoplay
Type
  • Theme: Modern
  • Volatility: Medium
Stats
  • Release Date: 2018-06-17
  • RTP (Return to Players): 96.61%
  • Reels: 6
  • Min Bet: 0.10
  • Max Bet: 200
  • Provider: NetEnt
  • Paylines: 243

Bloodsuckers 2 Slot

Bloodsuckers 2 Slot

If you're into vampires and gothic themes, this unique slot is for you. With the potential for big wins, hit spin and uncover hidden treasures lurking in the reels.

Bloodsuckers 2 Slot Features:

Features
  • Free Spins
  • Wilds
  • Scatter Symbols
  • Autoplay
Type
  • Volatility: Medium
  • Theme: Modern
Stats
  • Release Date: 2017-06-01
  • RTP (Return to Players): 96.94%
  • Reels: 5
  • Min Bet: 0.25
  • Max Bet: 100
  • 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
  • Theme: Classic
  • Volatility: Low
Stats
  • Release Date: 2016-02-18
  • RTP (Return to Players): %
  • Reels: 4
  • Min Bet: 0.1
  • Max Bet: 50
  • Provider: Red Tiger
  • Paylines: 20