Monster Casino
Monster Casino sister sites include Mr Vegas Casino, Sin Spins, Mr Slot, Gatobet, Sunny Casino, and many more.
Monster Casino (monstercasino.com) is operated by ProgressPlay Limited of Kolonakiou 26, Office No.18, Agios Athanasios, Limassol, 4103, Cyprus.
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Monster Casino Sister Sites 2026
Mr Vegas Casino
Not to be confused with Mr Vegas, which is another popular online casino site operated by Videoslots Limited, Mr Vegas Casino tries its best to bring you all the thrills and spills of playing in a real casino in Sin City, Nevada, USA, condensed into a single casino site. Its current headline welcome package is worth up to £400 across several deposits, beginning with a 30% match up to £100 on deposit one, and promotional wagering is now capped at x10. The Vegas theme, however, is close to non-existent, and we can’t shake the feeling that most people who end up at this casino were actually looking for the other Mr Vegas. That more famous brand is a better casino, and it’s not even close.
Mr Slot
Mr Slot is a little more akin to Monster Casino than it is to the majority of Monster Casino sister sites because it wasn’t built using the same template as Mr Vegas Casino. Nevertheless, it’s a step or two behind Monster Casino when it comes to both its appearance and its gaming content. The design of the site is bland and basic, doing very little to grab the attention of any casual browsers who might arrive on the homepage. Its current headline package is a 100% first-deposit bonus up to £25 plus 40 spins on Sweet Burst. That promotion isn’t going to light the world on fire, but it’s still a better deal than you’ll get from quite a few of the other Monster Casino sister sites.
Vegas Mobile Casino
As you can see, Mr Vegas Casino isn’t the only Vegas-themed casino among the Monster Casino sister sites. There’s also Vegas Mobile Casino, which was designed and launched in a bygone age when it was necessary to code casino websites differently for laptops and mobile devices. That’s no longer the case, and so the old mobile-focused casinos look a little sparse by modern standards unless they’ve had a recent facelift. Vegas Mobile Casino has had no such facelift and could badly do with one. The casino’s website is so basic that it looks almost like something that a GCSE student might have knocked up. Is that harsh? Perhaps so, but looking like Vegas Mobile Casino does means that plenty of players will click away before they see its generous welcome bonus.
Gatobet
Since the closure of Winston Bet, which was a hot brand on this platform for a while, you could argue that the top sport-focused casino on the ProgressPlay network is GatoBet. It’s a confusing casino site because it doesn’t seem entirely sure about what it wants to be. The casino’s logo is a wolf on fire, which would be considered strange in any circumstances, but both “casino” and “sports” are given the same degree of highlighting as menu options on the homepage, almost as if whoever designed GatoBet couldn’t decide which area they wanted to focus on. Nevertheless, it’s still the pick of the Monster Casino sister sites if you’re more into the sportsbook at Monster than you are the slots.
Casino Kings
Casino Kings might sound like an online casino with royal connections, but it’s delivered without any semblance of a regal theme. In fact, there isn’t much of a theme at Casino Kings at all, but that isn’t as much of a weakness here as it is at other Monster Casino sister sites. There’s plenty to admire about the site – not least its clever grouping of iGaming categories, which makes Casino Kings very easy to navigate. If you can’t find what you’re looking for at Casino Kings within a couple of clicks and a few moments of scrolling, it probably isn’t here. It’s not an all-star casino, but it’s a very dependable and professional one.
Can Monster Casino Be Trusted?
★★★★★
Sistersite.com trust rating: 2/5.
Monster Casino Review 2026
The word “monster” has become a byword for “huge.” When we see the name “Monster Casino,” we’re naturally inclined to think about a massive casino stuffed to the brim with outstanding online slots, an expansive live dealer section, and all the promotions that we’d expect to see in a casino that thinks of itself as being part of the big time. Does Monster Casino, which has been online since 2017 and is operated by Malta-registered ProgressPlay Limited, live up to that billing? Its UKGC head office is in Cyprus, it holds licences in both the UK and Malta, and it comes with a sportsbook to go with its general casino platform, but does it keep the big-time feeling going with the quality of its promotions and its standards of customer care? Here are the facts that will help you to decide.
Monster Casino features a bespoke design that sets it apart from other ProgressPlay casinos.
Monster Casino Welcome Offers
Monster Casino’s current headline casino package is worth up to £1,000 in bonus funds and includes one hundred free spins on Starburst. A minimum deposit of £20 is required. Bonus funds must be wagered x10 within thirty days, while winnings from the free spins must be wagered x10 within seven days. The headline figure is enormous, but the maximum amount that can be converted is only £50 from the bonus funds and £20 from the free spins. The offer is limited to five casino brands across the ProgressPlay network, Skrill and Neteller deposits are excluded, and requesting a withdrawal voids all active or pending bonuses.
Sports bettors get a separate offer. New players who place £10 of qualifying bets receive a £30 free bet. Both the qualifying bets and the free bet must be placed at minimum odds of 1.5, the stake isn’t returned, and winnings from the free bet have to be wagered once. The maximum conversion is £200, the reward expires after seven days, and eligibility is limited to one sportsbook welcome offer across the wider network.
Ongoing Promotions
There’s still a fairly long list of promotions at Monster Casino, although the names and availability change regularly. Current examples include the Mystery Box seasonal game, Wednesday Wheel of Spins, Weekend Wheel of Spins, monthly offers and the casino’s Rewards Programme. The Mystery Box gives players a chance to reveal up to one hundred free spins from Monday to Thursday, while the wheel promotions and monthly deals change with the calendar.
The Rewards Programme remains part of the site, with missions and points providing a reason for regular players to return. Monster Casino doesn’t actually spell out every item available in the Rewards Store, though, so we can’t promise specific free-spin bundles, cashback rates or reload bonuses – we just imagine that’s what you’ll get from it. The quantity of offers is good, but x10 wagering and low conversion caps can still take much of the shine off the prizes.
What are the Pros and Cons of Monster Casino?
Featured Slots and Casino Games
Monster Casino now has a dedicated “New” category alongside its main slots, jackpots, live casino and table game sections, so players aren’t left completely in the dark about recent arrivals. The site’s own public pages currently highlight familiar names such as Big Bass Bonanza, Fluffy Favourites, Starburst, Fishin’ Frenzy, Dragon’s Luck and Rainbow Riches. Here’s a closer look at three of the better-known titles.
Big Bass Bonanza: Pragmatic Play’s fishing slot has become one of the defining games of the modern online casino era. The free-spins round introduces the fisherman, who collects cash values from fish symbols and can award extra spins as more fishermen appear. It’s simple, instantly recognisable and has spawned enough sequels to fill an entire section of some casino lobbies.
Fluffy Favourites: Eyecon somehow turned animated cuddly toys and an arcade grabber into one of Britain’s most enduring slots. The base game is straightforward, but the Grab a Fluffy feature gives it the personality that has kept players returning for years. Monster Casino lists it among its popular titles, and it remains a good fit for anybody who prefers cheerful, familiar games over the latest high-volatility spectacle.
Starburst: NetEnt’s space-themed slot has been around for years but still appears near the front of casino lobbies across the UK. Its expanding wilds and re-spins are uncomplicated, the action moves quickly, and the game is easy to understand within a few spins. That simplicity is precisely why Starburst has remained relevant while more elaborate releases have come and gone.
Deposit and Withdrawal Methods
We mentioned our disappointment with withdrawal turnarounds at Monster Casino when we were discussing the casino’s pros and cons earlier on, but here’s the full picture. The number of payment options available at the site is actually pretty good. Visa, Mastercard and Maestro debit cards are supported, alongside PayPal, Neteller, Skrill, EcoPayz, Apple Pay, Paysafecard, PayViaPhone, AstroPay and other methods. Not every deposit option can necessarily be used for withdrawals, but in terms of range, Monster Casino does well.
Payment Options
⚠️ Important: All withdrawals are subject to a £2.50 processing fee.
| Method | Processing Time | Total Time |
|---|---|---|
| Neteller / Skrill | 1 Business Day | 2-3 Business Days |
| PayPal | 1 Business Day | 3-7 Business Days |
| Debit Cards | 1 Business Day | 3-7 Business Days |
| Trustly | 1 Business Day | 3 Business Days |
Here in the 2020s, players are accustomed to fast withdrawals if they’re using an e-wallet or similar service. Monster Casino’s current table applies one business day of internal processing before the payment provider’s transfer window begins. It then lists three to seven business days for cards and PayPal, three business days for Trustly, and one further business day for Neteller or Skrill. Some players report receiving money much faster when verification is already complete, but the published maximum windows remain slow. The £2.50 charge on every withdrawal makes the overall arrangement even less appealing.
Customer Support and Licence
Monster Casino advertises 24/7 support through live chat and email. The site also refers to telephone help, although it doesn’t give a general customer service number anywhere we can see. The FAQ section remains available for straightforward questions, but the poor feedback about verification and withdrawals suggests that the existence of support channels doesn’t always translate into a satisfactory answer.
Monster Casino is licensed through ProgressPlay Limited by the UK Gambling Commission under account 39335 and by the Malta Gaming Authority under licence MGA/B2C/231/2012. ProgressPlay is registered in Malta, while the UKGC lists its head office in Limassol, Cyprus. In May 2022, the operator paid £175,718 after the regulator identified anti-money-laundering and social-responsibility failures. A second case followed with a decision dated May 2025. ProgressPlay received a warning, a £1m financial penalty and an extra licence condition requiring an independent third-party audit after further failings involving money-laundering and terrorist-financing controls, requirements for overseas operators and customer interaction. The licence remains active and continues to cover Monster Casino and its many sister sites.
Monster Casino – The Verdict
Monster Casino is a big online casino and sportsbook with a large games library, plenty of current promotions and 24/7 support channels. The move from x50 to x10 wagering makes the welcome package far more reasonable than it used to be, but the low conversion caps, network-wide eligibility restrictions and rule that withdrawals cancel active bonuses still limit its value. Payments are the bigger concern. A £2.50 fee applies every time you cash out, and the transfer windows can stretch to seven business days for cards and PayPal. Add ProgressPlay’s two regulatory cases and Monster Casino’s dreadful Trustpilot score, and the site remains difficult to recommend wholeheartedly. It’s still one of the more complete casinos on this network, but the player-facing terms need to be better.
Monster Casino works well on mobile browsers, though navigation can be slow.
What are players saying about Monster Casino?
Here are our condensed summaries of recent Monster Casino reviews from real players.
- 02-Aug-2026 by Debee: I’m so disappointed. My documents are perfectly fine, yet a month later I’m still not verified. They were happy enough to take £120 yesterday and around £200 last month, though. Most casinos complete these checks within hours or, at worst, a couple of days. A full month is completely unacceptable. I understand they’re a legitimate operator, but that doesn’t mean I’m prepared to wait forever for them to follow the rules and verify my account. – source: Trustpilot
- 15-Jul-2026 by Eric: Be careful with the welcome offers. Monster Casino and MogoBet appear to sit on the same ProgressPlay network, and although they look like separate brands, you may only qualify for one new-customer free bet across the whole group. That restriction is far too easy to miss. It should be made crystal clear before anyone registers, deposits and places qualifying bets expecting a separate offer. – source: Trustpilot
- 14-Jul-2026 by Chris: My review is a simple one: don’t bother with Monster Casino. – source: Trustpilot
- 09-Jul-2026 by Oliver: This casino felt like a horrible scam. They took my deposit, didn’t give me the winnings and ended the conversation as soon as I asked where my money was. From my experience, it was absolutely disgusting. How sites can treat people like this without anyone stepping in is beyond me. – source: Trustpilot
- 27-Jun-2026 by Guava: They show offers as available to you, let you wager your money, then suddenly claim the promotion was never valid for your account. Be upfront before people deposit. The way this was handled felt very shady. – source: Trustpilot
- 12-Jun-2026 by Richard: I’d give zero stars if I could. They happily accepted my deposits, but withdrawing was another story. I sent the requested verification documents more than a week ago and they were still supposedly under review. Customer service just said they couldn’t help and that the verification team would deal with it. This was the worst casino or betting site I’ve used, and the whole thing felt like a scam. – source: Trustpilot
- 02-Jun-2026 by Joshua: I don’t normally leave reviews, but all the one-star comments had me worried I’d never see my money. I made one deposit, requested a £2,300 withdrawal about 15 minutes later and submitted the verification documents. Without exaggeration, the money was in my bank within 68 minutes. My experience was perfect from start to finish. Fast, smooth and completely hassle-free. – source: Trustpilot
- 30-May-2026 by Jazz: Don’t waste your money on this rip-off casino. My wife and I were told our winnings would be paid within three days, but eight days later we were still waiting. Customer service was an even bigger nightmare, with what felt like an AI bot throwing out excuses instead of helping. From our experience, they simply refused to pay what we’d won fairly. Use literally any other site. We’re taking this further and contacting the authorities. – source: Trustpilot
- 22-May-2026 by Kristopher: Stay away from Monster Casino. Absolute joke of a site. I deposited and staked the required £10, then they refused to give me the promised sign-up free bet. – source: Trustpilot
- 18-Apr-2026 by Laura: Don’t bother. I put £100 in and didn’t even get a small win. Try a more reputable casino instead. – source: Trustpilot
Frequently Asked Questions
Is there a withdrawal fee?
Yes. Monster Casino (like all ProgressPlay sites) charges a £2.50 fee on every withdrawal, regardless of the amount or method.
Is Monster Casino safe?
Monster Casino holds active UK Gambling Commission and Malta Gaming Authority licences and participates in GamStop. ProgressPlay has nevertheless faced regulatory action in both 2022 and 2025, so licensing shouldn’t be treated as a guarantee that every player will receive good service.
Does Monster Casino have a no-deposit bonus?
Monster Casino advertises a £5 no-deposit bonus on part of its mobile content, but it isn’t shown consistently across the main welcome pages. Check the offer displayed inside your account before relying on it.
Who owns Monster Casino?
Monster Casino was originally associated with Nektan and is now operated by ProgressPlay Limited. ProgressPlay is registered in Malta, while its UKGC head-office address is in Cyprus.