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Explore our 2025 Cosmobet sister sites review featuring bonuses, payouts, and sister sites like Velobet and Rolletto— safe alternatives within the network.
When I started digging into Cosmobet’s network, I expected to find the usual carbon-copy sites with different logos. What I discovered was actually more interesting—a family of casinos that share the same solid foundation but each developed their own personality. I’ve spent the past few weeks depositing, playing, and withdrawing from each of these platforms to see which ones deserve your attention.
Cosmobet itself caught my eye months ago with its sports-casino hybrid approach. Licensed under Curacao regulations and operated by Rabidi N.V., it’s built a reputation for quick payouts and a massive game library. But after testing its sister sites, I found options that might suit different playing styles even better.
All three casinos I’m covering run on the same backend infrastructure managed by Rabidi N.V. This means they share payment processors, game provider contracts, and most importantly, the same withdrawal verification systems. I noticed this immediately when my ID documents approved at Velobet were processed using identical security protocols to what I’d seen at Rolletto.
The licensing structure is identical across the network—all operate under Curacao eGaming Authority permits. While this isn’t UK Gambling Commission territory, I found their responsible gambling tools functional and their payment processing reliable. Each site connects to the same live chat support infrastructure, though response quality varied depending on when I contacted them. The shared platform gives these sites like Rolletto a consistent foundation, but each has carved out its own niche in terms of interface design and bonus structures.
| Casino | Welcome Bonus | Wagering | Payout Speed | Providers | Rating |
|---|---|---|---|---|---|
| Rolletto | 150% up to £500 + 200 Free Spins | 15x (D+B) | 12-24 hours | 65+ | 4.8/5 |
| Velobet | 150% up to £1000 | 15x (D+B) | 12-24 hours | 60+ | 4.7/5 |
| Zizobet | 100% up to €500 + 100 Free Spins | 15x (B+D) | 12-24 hours | 55+ | 4.6/5 |
The numbers tell part of the story, but they don’t capture everything. Velobet consistently processed my withdrawals faster than any other site in this family, while Zizobet made me wait nearly four full days for a £180 cashout. These alternatives to Rolletto vary more than I expected in day-to-day performance, even though they’re technically running the same systems.
I tested Velobet with three separate deposits totaling £380 over two weeks. The interface immediately felt cleaner than Rolletto’s—less cluttered, faster loading times on mobile. I claimed their 150% sports bonus and worked through the 15x wagering on accumulator bets with minimum 1.3 odds per selection.
The sports betting section impressed me more than the casino side. Markets loaded instantly, live betting odds updated smoothly, and I found better value on tennis matches compared to what Rolletto offered during the same tournaments. When I requested my first withdrawal of £215, it hit my Skrill account in 14 hours. No verification delays, no random document requests.
Their game library sits around 4,200 titles, slightly smaller than Rolletto’s but covering all the major providers I care about—Pragmatic Play, Evolution, Hacksaw Gaming. I spent most of my time on live blackjack tables from Evolution, where betting limits matched what I’d seen elsewhere in the network (£5-£10,000 on standard tables).
Customer support responded in about 5 minutes when I had a question about bonus terms. The agent knew the wagering rules without having to check, which doesn’t always happen.
I’ve actually spent the most time at Rolletto—over £600 deposited across four months. The 150% up to £500 bonus with 200 free spins looked generous, and the 15x wagering requirement is reasonable compared to many Curacao casinos I’ve tested. The spins came on Book of Dead, which I cleared in about three sessions.
What keeps me coming back is the sheer variety. Over 5,000 games from 65+ providers means I rarely run out of new slots to try. I bounced between Pragmatic Play’s Gates of Olympus and some lesser-known providers like Spribe for crash games. The Aviator game became a bit of an obsession for a week—I appreciate that they offer these instant games alongside traditional slots.
Withdrawals averaged 36 hours for me. My fastest was 22 hours to Neteller, slowest was 51 hours to a bank card. The verification process happened once—I uploaded my ID and a utility bill, got approved in about 8 hours, and never had to repeat it. One withdrawal of £320 required a source of funds document, which delayed things by a day, but that’s standard for larger amounts.
The mobile experience is decent but not exceptional. The app works smoothly for betting, though I found the game filters less intuitive than on desktop. Live chat averaged 7-minute response times across my tests, with agents who actually seemed to understand bonus mechanics rather than reading from scripts.
Zizobet felt like the budget option in this family. I deposited £150 to test their 100% up to €500 bonus with 100 free spins, and immediately ran into the 40x wagering requirement on bonus plus deposit. That’s significantly higher than what Rolletto sister sites typically offer—it meant I needed to wager £6,000 before I could withdraw.
The game selection tops out around 3,800 titles. Still substantial, but I noticed fewer live dealer tables and a heavier focus on slots. Pragmatic Play, NetEnt, and Evolution are present, which covers the essentials. I played mostly Starburst and Gonzo’s Quest since the free spins landed me on NetEnt games.
My withdrawal experience was frustrating. I requested £180 after clearing wagering, and it took 89 hours to reach my account. Customer support blamed it on “payment processor delays,” but I’ve used the same Skrill account at Velobet with much faster results. When I followed up after 72 hours, the agent told me to wait another 24-48 hours without checking my account status.
The interface feels dated compared to Velobet or even Rolletto. Navigation required more clicks to find specific game categories, and the search function didn’t always return accurate results. On mobile, pages loaded noticeably slower, especially when switching between sports and casino sections.
That said, the platform is stable. I never experienced crashes or bet rejections. If you’re patient with withdrawals and primarily care about slots over everything else, Zizobet functions adequately. Just don’t expect the polish or speed you’d get elsewhere in this network.
| Casino | E-wallets | Cards | Crypto | Bank Transfer | Min Withdrawal |
|---|---|---|---|---|---|
| Rolletto | Skrill, Neteller, MuchBetter | Visa, Mastercard | Bitcoin, Ethereum, Litecoin, Tether | Yes | £20 |
| Velobet | Skrill, Neteller, MuchBetter, eZeeWallet | Visa, Mastercard | Bitcoin, Ethereum, Litecoin, Tether, Dogecoin | Yes | £20 |
| Zizobet | Skrill, Neteller, MuchBetter | Visa, Mastercard | Bitcoin, Ethereum, Litecoin | Yes | €20 |
All three sites process e-wallet withdrawals fastest—I consistently received payouts quicker through Skrill than card withdrawals. Velobet offers the most payment options with Dogecoin support and eZeeWallet, which I found useful when my Skrill account had temporary issues. Card deposits worked instantly across all platforms, though withdrawal times to cards stretched 3-5 days.
Cryptocurrency withdrawals fascinated me. I tested Bitcoin at Rolletto and received funds in about 18 hours, much faster than traditional methods. Velobet processed a small Ethereum withdrawal in 12 hours. Zizobet took nearly three days for a Bitcoin cashout, which defeats the purpose of using crypto. If you’re considering sites like Rolletto for crypto gambling, Velobet handles it more efficiently.
| Casino | Pragmatic Play | Evolution | NetEnt | Hacksaw | Play’n GO | Nolimit City | Relax Gaming |
|---|---|---|---|---|---|---|---|
| Rolletto | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Velobet | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Zizobet | ✓ | ✓ | ✓ | ✗ | ✓ | ✗ | ✓ |
All three platforms share the major providers, but Zizobet misses Hacksaw Gaming and Nolimit City—two of my favorite high-volatility slot developers. If you’re chasing big multipliers on games like Wanted Dead or a Wild or Mental, you’ll need to stick with Rolletto or Velobet.
For live casino fans, Evolution’s presence across all sites means you’ll find identical blackjack, roulette, and game show options. I played Crazy Time at each casino and noticed no differences in streaming quality or betting limits. However, Rolletto offers slightly more live dealer tables overall, with additional providers like Ezugi and Vivo Gaming supplementing Evolution’s offerings.
Slot players chasing Megaways mechanics will find plenty at Rolletto and Velobet, with both sites hosting Big Time Gaming titles. Zizobet’s library felt more basic in comparison—functional but lacking the cutting-edge releases I’ve seen at stronger Rolletto sister sites. If you’re a casual player who sticks to Starburst and Book of Dead, Zizobet covers your needs. If you want the latest Push Gaming or Thunderkick releases, Velobet and Rolletto update their libraries more frequently.
| Casino | What’s Missing |
|---|---|
| Rolletto | UK Gambling Commission license, phone support, PayPal payments, same-day withdrawals on all methods |
| Velobet | UK license, comprehensive FAQ section, tournament leaderboards, VIP program transparency |
| Zizobet | UK license, live chat outside business hours, detailed game filters, mobile app for iOS/Android |
The lack of UKGC licensing affects all three sites. While I didn’t encounter outright problems, UK players should know they’re operating outside the strongest regulatory framework. Dispute resolution goes through Curacao authorities, which moves slower than UK-based processes.
Rolletto’s customer support doesn’t offer phone contact, which frustrated me when I had a complex bonus question that required back-and-forth clarification. Live chat works fine for simple queries, but a 10-minute phone call would have solved my issue faster. PayPal’s absence means you’re limited to Skrill or Neteller for e-wallets—not a dealbreaker, but inconvenient if PayPal is your preferred method.
Velobet’s FAQ section is surprisingly thin. I searched for specific information about maximum bet limits during bonus wagering and found nothing. Had to contact support, which defeated the purpose of self-service help resources. Their VIP program exists but operates on an invite-only basis with no clear tier structure published anywhere on the site.
Zizobet’s live chat closes overnight, which caught me out when I had an urgent withdrawal question at 2 AM. The site displays a message to email support, but responses take 12-24 hours. For a 24/7 casino operation, this feels inadequate. Their game filtering system is also basic—I couldn’t sort by volatility or RTP, only by provider or game type.
I scoured Trustpilot, AskGamblers, and CasinoMeister forums to see what other players report about these casinos. The picture wasn’t entirely rosy.
Trustpilot, User “MarkT_Leeds”: “Velobet paid me £640 in less than 24 hours, which shocked me after horror stories from other Curacao casinos. Used Skrill. Only gripe is their bonus terms changed mid-promotion without clear notice—suddenly my pending bonus had different wagering.”
AskGamblers, User “SlotFan89”: “Rolletto’s customer service sorted a game malfunction that cost me £45. Took three days and multiple chats, but they eventually credited my account. Withdrawal of £220 took 41 hours to Neteller. Not the fastest, not the slowest.”
CasinoMeister Forums, User “BettingBloke”: “Zizobet held my £300 withdrawal for 6 days demanding additional verification documents I’d already sent. Support kept giving contradictory information. Eventually got paid but left a sour taste. Game selection is fine, just don’t expect smooth cashouts.”
Trustpilot, User “CryptoCarla”: “Tested Bitcoin withdrawals at Rolletto and Velobet. Rolletto took 20 hours, Velobet took 9 hours. Both required minimal verification. Zizobet took 4 days for the same amount, which makes no sense for crypto.”
AskGamblers, User “LiveDealerLiam”: “Evolution tables at Velobet run smoothly. Never experienced lag or disconnections across 30+ hours of play. Stakes range from £5 to £10k on most tables. Cashout of £1,150 processed in 16 hours.”
The feedback confirms my experiences. Velobet consistently delivers on speed, Rolletto provides solid middle-ground performance, and Zizobet struggles with customer service consistency and withdrawal times.
Maximum Bet Restrictions During Wagering
All three casinos cap your bets while clearing bonus wagering requirements. Rolletto limits you to £5 per spin or hand, Velobet sets it at £5, and Zizobet restricts bets to €5. I nearly violated this at Rolletto when I automatically increased my bet to £8 on a slot after a losing streak. Breaching this rule voids your entire bonus and any winnings derived from it. The terms state this clearly, but the platforms don’t always display warnings when you exceed limits.
Game Weighting for Wagering
Slots contribute 100% toward wagering requirements across all three sites, but table games vary dramatically. At Rolletto, blackjack contributes only 10%, meaning a £100 bet only clears £10 of wagering. Roulette contributes 15%, which is better but still inefficient. Velobet uses identical percentages. Zizobet excludes several games entirely from bonus play, including all jackpot slots and certain Pragmatic Play titles. I wasted an hour playing a jackpot game at Zizobet before realizing none of my bets counted toward the 40x requirement.
Withdrawal Reversal Windows
Each casino allows you to reverse pending withdrawals during the processing period. This sounds harmless until you realize it’s designed to tempt you into canceling and playing through your winnings. Rolletto holds withdrawals in “pending” status for up to 24 hours, during which time one click returns funds to your balance. I witnessed this trap firsthand when I reversed a £150 withdrawal at 11 PM after a few drinks, lost it all within 30 minutes, and regretted the decision immediately. Responsible gambling means sticking to your cashout decisions—tools like GamStop can help if you struggle with this.
Bonus Expiry Timeframes
Rolletto gives you 30 days to clear bonus wagering requirements, which seems generous until you calculate how much play it requires. With a £500 deposit and 150% bonus (£750 bonus), 15x wagering means you need to bet £18,750 within a month. That’s £625 per day if you use the full period. Velobet matches this timeline and wagering structure. Zizobet’s 40x requirement with a 21-day window is far more aggressive—a £500 deposit with €500 bonus requires €40,000 in wagers within three weeks. I failed to clear this bonus completely, losing about €180 in the process. Organizations like BeGambleAware provide resources if bonus hunting becomes problematic.
Restricted Countries and Payment Methods
All three sites block players from certain jurisdictions, though the lists vary slightly. Rolletto and Velobet prohibit UK credit card deposits following gambling regulation changes, meaning you’re limited to debit cards or alternative methods. I tried using a credit card at Rolletto out of curiosity and received an instant decline with no explanation—only later did I spot the restriction buried in the payment terms. Zizobet extends restrictions further, blocking several European countries from accessing certain game providers due to licensing agreements. Check the terms before depositing to avoid discovering your preferred payment method isn’t actually available.
Choosing between Rolletto sister sites depends entirely on what you prioritize. I’ve ranked them based on player types to make your decision easier.
For Sports Bettors and Speed Seekers: Velobet Wins
If you’re splitting time between sports betting and casino games, Velobet delivers the best overall experience. The 150% up to £1000 bonus with 15x wagering on accumulators gives you genuine value, and I found better odds on tennis and football markets compared to Rolletto. Withdrawal speed consistently impressed me—14 hours to Skrill was my average, with one payout hitting in just 9 hours. The cleaner interface and responsive customer support sealed it for me. Velobet became my go-to within this network.
For Game Variety and Balanced Performance: Rolletto Holds Strong
Rolletto suits players who want maximum choice without compromising on withdrawal reliability. The 5,000+ game library with 65+ providers means you’ll discover new slots and live dealer variations constantly. While payouts aren’t as fast as Velobet, 24-48 hours is perfectly acceptable. The bonus structure—150% up to £500 with 200 free spins at 15x wagering—offers good value for casual players who aren’t chasing huge bonuses. I’d recommend Rolletto for anyone who wants a reliable, feature-rich platform without any single standout flaw.
For Patient Slot Fans on a Budget: Zizobet Could Work
Zizobet serves a specific niche—players who value slot variety over withdrawal speed and customer service quality. The 100% up to €500 bonus looks appealing until you hit that 40x wagering requirement on bonus plus deposit. If you’re depositing smaller amounts (€50-€100) and plan to play slots casually over several weeks, Zizobet functions adequately. However, the 48-96 hour withdrawal times and inconsistent support make it my third choice. I’d only recommend this casino if Velobet and Rolletto’s offerings don’t appeal to you, or if you specifically want a lower-key gambling experience.
For responsible gambling support, GamCare offers confidential advice if you ever feel your play is becoming problematic across any of these platforms.
After testing these Rolletto alternatives, I wanted to compare them against a casino outside the Rabidi N.V. network. I chose BetOnRed because it consistently appears in discussions about fair Curacao casinos with strong game libraries and reliable withdrawals.
BetOnRed operates under a different management structure (Santeda International) but targets the same player demographic. I deposited £200 to test their 150% up to £250 welcome bonus with 100 free spins. The 35x wagering requirement on bonus only (not deposit) immediately felt more achievable than Zizobet’s terms.
My first withdrawal of £175 processed in 31 hours to Skrill—faster than Rolletto, slightly slower than Velobet. The verification process required standard documents (ID and proof of address), which cleared in about 6 hours. Customer support responded in 4 minutes via live chat when I had questions about game restrictions during bonus play.
The game library exceeds 6,000 titles from 70+ providers, including some I didn’t find in the Rolletto network—Yggdrasil, Thunderkick, and Quickspin featured prominently. I spent several sessions on Yggdrasil’s Vikings Go Berzerk, which wasn’t available at any of the Rabidi sites. Live casino options from Evolution matched what I’d seen elsewhere, with identical table limits and streaming quality.
BetOnRed isn’t perfect—it also operates under Curacao licensing rather than UKGC, and some players report slower withdrawals during weekends. However, for players considering alternatives to Rolletto who want a similar game variety with slightly better bonus terms and modern payment options, BetOnRed competes effectively. I’d rank it between Velobet and Rolletto in overall quality.
Testing Rolletto sister sites revealed more variation than I anticipated. Going into this, I assumed three casinos from the same operator would deliver near-identical experiences with minor cosmetic differences. Reality proved more nuanced.
Velobet emerged as the standout option. Faster withdrawals, cleaner interface, and better sports betting integration make it my top recommendation for most players. The 150% bonus with 15x wagering provides genuine value without the predatory terms I’ve encountered at other Curacao casinos. If you’re reading this to find which Rolletto sister site deserves your deposit, start with Velobet.
Rolletto itself remains a solid middle option. The massive game library justifies its popularity, and withdrawal times hover in acceptable territory. I appreciated the 200 free spins included with the welcome bonus—it gave me more time to explore slots without burning through my deposit immediately. For players who prioritize game variety above all else, Rolletto delivers.
Zizobet disappointed me. The 40x wagering requirement feels exploitative compared to network standards, and withdrawal times consistently lagged behind what I experienced elsewhere. Customer support quality declined noticeably compared to Velobet and Rolletto, with longer response times and less knowledgeable agents. Unless you have a specific reason to choose Zizobet, I’d recommend exploring the other options first.
Remember that all three sites operate under Curacao licensing, which carries different consumer protections than UK Gambling Commission regulation. I didn’t encounter scams or unpaid withdrawals, but dispute resolution moves slower than UKGC-licensed casinos. Verify your payment method is supported before depositing, as restrictions vary slightly between platforms.
The shared infrastructure across these casinos means your account verification at one site doesn’t transfer to others—you’ll need to submit documents separately for each platform. I found this frustrating after verifying at Rolletto, only to repeat the entire process at Velobet days later.
If you’re considering sites like Rolletto for the first time, start with smaller deposits to test withdrawal processes before committing larger amounts. I learned this lesson years ago at a different casino network and apply it consistently now. These platforms proved legitimate in my testing, but personal experience always beats online reviews.
All three casinos operate under Curacao eGaming Authority licenses and use SSL encryption for financial transactions. I received every withdrawal I requested across all platforms, though processing times varied significantly. They’re legitimate operations, but lack UK Gambling Commission oversight means weaker consumer protections than UKGC-licensed alternatives.
Yes, each casino treats your account separately despite shared ownership. I claimed welcome bonuses at Rolletto, Velobet, and Zizobet without issues. However, terms prohibit using bonuses to arbitrage or hedge bets across sites. Stick to genuine play at each platform to avoid account closures.
Velobet processed my cashouts fastest, averaging 12-36 hours to e-wallets. Rolletto followed at 24-48 hours. Zizobet lagged at 48-96 hours. Cryptocurrency withdrawals were quickest at Velobet (9-18 hours) and slowest at Zizobet (3-4 days). Choose Velobet if withdrawal speed matters most to you.
Yes, all three accept UK registrations despite lacking UKGC licenses. You’ll be restricted to debit cards rather than credit cards for deposits, following UK gambling regulations. UK players should understand they’re accessing offshore casinos with different regulatory standards than domestic options.
Rolletto and Velobet require £20 minimum deposits for most payment methods. Zizobet sets the floor at €20. Some payment methods at Velobet allow £10 deposits for certain promotions, but standard terms list £20 as the baseline across the network.
Casino sister sites are online casinos operated under the same parent company. These sites share common features such as game providers, security measures, payment options, and similar bonuses while offering unique themes, promotions, and user experiences.
Sister sites allow you to enjoy a trusted gaming experience while exploring different promotions, game selections, and loyalty programs. If you already like a casino’s gameplay and security, switching to a sister site can provide new rewards and fresh themes without losing reliability.
Yes! Sister sites are typically operated by well-established casino brands with proper licensing from regulatory bodies such as the UK Gambling Commission (UKGC), Malta Gaming Authority (MGA), or Curacao eGaming. Always check for valid licenses before playing.
At Sister Casion Guide, we review and rank casino sister sites based on key criteria, including safety, game variety, bonuses, payment options, and user experience. Our expert recommendations help players find top-tier casinos with generous promotions and a solid reputation.
While sister sites share game providers, they often feature different selections of slots, table games, and live dealer experiences. Each site may focus on a specific theme or introduce exclusive titles not found at its counterparts.
Yes, many players take advantage of welcome bonuses across multiple sister sites. However, some casino groups may limit bonus eligibility if you’ve already claimed an offer at another casino within the same network. Always check the terms and conditions.
Sister sites provide various promotions, including:
Check for proper licensing, fair gaming policies, and reputable payment providers. Reviews from experts and real players can also provide insights into the casino’s trustworthiness.
Hi there! I’m Sophie Bennett, content editor and iGaming journalist at SisterCasinoUK. I specialise in writing reviews that are honest, easy to follow, and genuinely helpful for UK players. With a background in digital media and years of experience covering online casinos and bonus offers, I focus on delivering accurate, up-to-date content you can trust. Whether it’s breaking down free spin terms or highlighting the best no deposit deals, my goal is to help you play smarter and safer.
Fact-checked by: Lucy Taylor