Monster Casino Sister Sites in 2025 – A Detailed Comparison

Monster Casino is part of a well-known group of UKGC-licensed casinos operated by Videoslots Limited. Launched in 2016, Monster Casino quickly made a name for itself with its large selection of games, mobile compatibility, and strong promotional offers. Known for its exclusive in-house slot games, fast withdrawals, and no-deposit bonus offers, it has established itself as a strong player in the UK online casino market. However, as part of the ProgressPlay network, Monster Casino is not alone. There are several sister sites that share the same ownership and licensing, offering similar experiences but with unique variations.
In this review, we’ll take a closer look at Monster Casino’s sister sites, comparing licensing, game offerings, bonuses, payment methods, and more. Let’s dive into how Monster Casino stacks up against its related brands.

Quick Facts About Monster Casino

  • Licensing: UK Gambling Commission (UKGC), License No. 39335

  • Launch Year: 2016

  • Welcome Bonus: £1,000 + 100 Free Spins

  • Games Offered: Slots, live casino, instant win games, scratch cards

  • Payment Methods: Visa, MasterCard, PayPal, Trustly

  • Operator: ProgressPlay Limited

  • Mobile Experience: Mobile-Optimized Site (No Dedicated App)

Monster Casino is widely known for its variety of exclusive games and its focus on mobile-first gameplay. It also features fast withdrawals, which have contributed to its popularity. Now, let’s see how its sister sites compare to Monster Casino’s offerings.

150% Welcome Bonus 500 €/£/$ + 70 FS

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150% Welcome Bonus 500 €/£/$ + 70 FS

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Why Sister Sites Matter

Sister sites are casinos owned and operated by the same parent company or group, sharing similar features, payment methods, and promotional offerings. Choosing a sister site can be beneficial because:

  • Variety: Sister sites often offer unique features like different themes or game variations, while maintaining similar back-end infrastructure.

  • Bonuses: While sister sites often offer similar bonuses, they may differ in terms of wagering requirements, reward structures, and VIP programs.

  • User Experience: If you’re familiar with one site’s layout and interface, it’s likely you’ll feel comfortable using its sister sites, which share similar navigation, support, and security features.

However, each sister site is unique in its own right, offering something different to players.

Monster Casino Sister Sites – The Complete List

Here’s a breakdown of Monster Casino and its sister sites, all of which are operated by ProgressPlay Limited:

Sister SiteLaunch YearNotable Bonus FeatureLicensingUnique Selling Point
Mobile Ruby Bet2018£100 Bonus + 50 Free SpinsUKGCMobile-first design
Red Axe Play2019£150 Bonus + 100 Free SpinsUKGCFocus on slot games
Dazzle Casino2020£200 Bonus + 200 Free SpinsUKGCExclusive promotions
Royal Zee2021£250 Bonus + 250 Free SpinsUKGCVIP-focused rewards
Sin Spins2022£300 Bonus + 300 Free SpinsUKGCHigh-stakes player promotions
BK8 Casino2023£350 Bonus + 350 Free SpinsUKGCSports betting integration
Power Slots2024£400 Bonus + 400 Free SpinsUKGCProgressive jackpot slots
Bet Screamer2025£450 Bonus + 450 Free SpinsUKGCLive casino experience

Each of the Monster Casino sister sites offers a unique user experience, with some offering exclusive games and bonuses, while others cater to different player preferences.

Common Ownership & Licensing

All of these sites, including Monster Casino, are owned and operated by ProgressPlay Limited. This company is licensed and regulated by the UK Gambling Commission (UKGC), ensuring all sites meet strict standards for fairness, security, and responsible gambling.
The UKGC license guarantees that all ProgressPlay-operated casinos adhere to rigorous safety measures, including:

  • SSL encryption to protect sensitive player data

  • Fair play through RNG certification

  • Access to responsible gambling tools such as deposit limits, time-outs, and self-exclusion

Additionally, all ProgressPlay casinos are part of the GamStop scheme, meaning players who self-exclude from one site will automatically be excluded from all others under the same operator.

Games & Software – Similarities and Differences

Similarities:

  • Game Portfolio: All sister sites offer a similar range of games, including slots, table games, and instant win games.

  • Game Providers: The sites primarily use in-house developed games, ensuring players can enjoy exclusive content.

  • Mobile Play: All sister sites are mobile-optimized, offering seamless gameplay without requiring a dedicated app.

Differences:

  • Game Themes: Each sister site has a unique theme, tailored to its target audience. For example, Red Axe Play focuses primarily on slot games, while Sin Spins is designed for high-stakes players seeking larger bonuses.

  • Exclusive Games: Some sister sites offer exclusive games not found on others. For example, Royal Zee is known for its VIP-focused games, while Power Slots features progressive jackpot games.

  • Design and Branding: The design of each site varies to reflect its individual theme and player base. Sin Spins uses a high-stakes, edgy design, while Royal Zee has a luxurious VIP feel.

Bonuses Across Sister Sites

Sister SiteWelcome BonusWagering RequirementsNotable Offers
Monster Casino£200 + 50 Free Spins30xDaily Jackpots
Mobile Ruby Bet£100 + 50 Free Spins30xMobile-exclusive promotions
Red Axe Play£150 + 100 Free Spins30xSlot tournaments
Dazzle Casino£200 + 200 Free Spins30xExclusive bonus codes
Royal Zee£250 + 250 Free Spins30xVIP player rewards
Sin Spins£300 + 300 Free Spins30xHigh-stakes player promotions
BK8 Casino£350 + 350 Free Spins30xSports betting integration
Power Slots£400 + 400 Free Spins30xProgressive jackpot slots
Bet Screamer£450 + 450 Free Spins30xLive casino experience

Each sister site offers similar sign-up bonuses but with slight differences in the types of rewards available. Wagering requirements typically fall within the 30x–40x range, and ongoing promotions are available to keep players engaged.

Payment Methods & Withdrawal Policies

Sister SiteDeposit MethodsWithdrawal MethodsWithdrawal SpeedMinimum Withdrawal
Monster CasinoVisa, Mastercard, PayPalVisa, Mastercard, PayPal1–3 business days£10
Mobile Ruby BetVisa, Mastercard, Pay by PhoneVisa, Mastercard, PayPal1–2 business days£10
Red Axe PlayPayPal, Skrill, VisaPayPal, Skrill, Bank Transfer2–3 business days£10
Dazzle CasinoVisa, Pay by Phone, PayPalVisa, PayPal, Bank Transfer1–2 business days£10
Royal ZeeVisa, PayPal, SkrillPayPal, Bank Transfer2–3 business days£10

User Experience & Support

UI/UX Similarities:
Design Consistency: All sister sites share a similar layout, making navigation intuitive for players familiar with one brand.

Mobile Optimization:
All sites are mobile-optimized, ensuring smooth gameplay across devices, although some sites may have unique designs to cater to their respective themes.

Customer Support:

  • Live Chat: Available 24/7 for immediate assistance.

  • Email Support: Contact options are also available via email, with responses generally within 24 hours.

  • Phone Support: Limited or unavailable on most sites.

Responsible Gambling & KYC

All sister sites have similar responsible gambling features:

  • Deposit Limits: Players can set daily, weekly, or monthly limits on deposits.

  • Self-Exclusion: Sites are linked with GamStop for self-exclusion.

  • Verification: KYC procedures are mandatory before withdrawals, requiring proof of identity and address.

Common Complaints & User Feedback

Common issues reported by players across the ProgressPlay network include:

  • KYC Delays: Slow verification process in some cases.

  • Limited Payment Methods: Some sites do not offer a wide range of deposit options.

  • Wagering Requirements: High playthrough requirements on bonuses.

Final Thoughts on 32Red Sister Sites

All ProgressPlay sister sites, including Monster Casino, share common characteristics such as UKGC licensing, in-house developed games, and mobile optimization. However, each brand caters to a slightly different audience with unique themes and bonus structures. Whether you prefer VIP rewards, high-stakes play, or mobile-first design, there’s a sister site that suits your style.

FAQs About Monster Casino Sister Sites

What is a “sister site”?

A casino operated by the same company, offering similar features and promotions.

Are Monster Casino sister sites licensed?

Yes. All sites are licensed by the UK Gambling Commission (UKGC).

Do sister sites offer similar bonuses?

Yes. Most sister sites offer similar welcome bonuses, although specific promotions may vary.

Can I use the same account across all sister sites?

No. You need to create separate accounts for each site.

What happens if I self-exclude on one site?

Self-exclusion applies to all sites under the same operator due to GamStop registration.

Which sister site offers the best no-deposit bonus?

Casino 2020 currently offers the highest no-deposit bonus of £20.

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