One Spin Casino sister sites
One Spin Casino is part of Tall Mountain Limited based in Ul. G. Rakovski 25, Sofia, 1202, Sofia. OneSpinCasino.com has 15 sister sites including Majesty Slots (MajestySlots.com), Club Lounge Casino (ClubLoungeCasino.com), Cash Spins Casino (CashSpinsCasino.com).

+ £200 Bonus
Bonus TermsUKGC Brand. 18+. Min dep £10. 35x WR applies to match up bonus. 100 spins splits to 20 spins a day for 5 days. Terms and Conditions apply.

+ 100 Free Spins
Bonus TermsNew UK based customers only. You must opt in (on registration form) & deposit £20+ via a debit card to qualify. Welcome Bonus: 100% match up to £100 on 1st deposit. 50x wagering applies. No wagering requirements on free spin winnings. Full Terms

+ £200 Bonus
Bonus TermsUKGC Brand. 18+. Min dep £10. 35x WR applies to match up bonus. 100 spins splits to 20 spins a day for 5 days. Terms and Conditions apply.

+ 50 Free Spins
Bonus TermsNew players only, £10 min fund, £200 max matchup bonus, free spin wins credited as bonus, 65x wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250), full T&Cs apply

+ 20 Free Spins
Bonus TermsNew players only, £10 min fund, £200 max matchup bonus, equal to lifetime deposits (up to £250), full T&Cs apply

+ 100 Free Spins
Bonus TermsUKGC Brand. 18+. Min dep £10. 35x WR applies to match up bonus. 100 spins splits to 20 spins a day for 5 days. Terms and Conditions apply.

+ 100 Free Spins
Bonus Terms18+ New players only. See Casino for terms

+ 100 Free Spins
Bonus TermsNew players only. 18+. Minimum deposit: £10. 35x Wagering requirement applies to match up bonus. Spins credited in specific games. Spins expire after 24 hours. Wagering requirement applies to spins. Terms and Conditions apply.

Free Spins
Bonus TermsNew players only, £10+ fund, free spins won via Mega Reel, 65x WR, max bonus equal to lifetime deposits (up to £250), T&Cs apply

Deposit Bonus
Bonus Terms1st, 2nd and 3rd ever deposit: spin wheen and win up to 10X your deposit amount (£2,000 max bonus, 65x WR, max £250 bonus equal to lifetime deposits T&Cs apply

Deposit Bonus
Bonus TermsUKGC Brand. 100% up to £50 Welcome bonus on 1st deposit. Min deposit £10 with 35x WR. 18+ only. See Mr Mega for full T&C's.

+ 77 Free Spins
Bonus Terms18+ New players only. See Casino for terms
One Spin Casino Sister Sites 2025
Majesty Slots
Majesty slots is a casino owned by Tall Mountain Limited in association with Prism Marketing, and is a sister site of One Spin Casino. Majesty slots is an extremely popular website which has a Spin Boost special promotion, offering players 400% up to £800 on first deposit. Plus Extra wins of 100x and a generous, 1st, 2nd and 3rd deposit bonus. Majesty slots also offers a new experience with TVBET.
Cash Spins Casino
Cash Spins Casino (cashspinscasino.com) is a One Spin sister site with an excellent range of games such as New games, bonus games, video slots, Live Casino, Classic slots and Scratch Cards. Slots include Hercules Do or Die and Brutal Santa. Current promotions at Cash Spins include 600% deposit bonus and 150 Zero wager spins with Spin Boost.
Super Nova
Super Nova (supernovacasino.com) is a space themed casino with travel destinations instead of promotions. Special offers for new players include 300% slots match as a gift and 100% cashback on first deposit. All of the website navigation for Supernova is planet and moon themed, some of their slots include Japan-o-rama, Heavyweight Gold and Reel Crune Bank Heist. In our opinion, they look like very poor slots made by someone in their bedroom!
Unique Casino VIP
Unique Casino VIP (uniquecasinovip.com) is a One Spin Casino sister site with First Class service, Mobile games on IOS and Android, Express Cashout to ensure players get withdrawals within 24 hours! Unique casino is also unique in that is offers players unique promotions.
Trueflip
True Flip (trueflip.io) is a old sister site, but it no longer accepts UK players as shown below.
Slots Oasis
Slots Oasis (slotsoasis.com) is no longer a One Spin Casino sister site, it now specialises in free slot game demos.
