Casino Mostro Online Review

Casino Mostro Online Review

200% up to €1000

Online Casino Mostro Review

Mostro casinoIf you’re looking for an innovative, top online casino, Mostro Casino might just be what you’re looking for. This is a new casino for 2022 and is quickly becoming the most popular Dutch gambling platform out there. Mostro was recently launched by RNB Consult Ltd., a well-established company who run a whole host of other online casinos.

Mostro online casino is an eye-catching, stimulating site that is licensed by Curaçao Gaming Commission, meaning it is an international casino that is used by people all over the world. What makes this site so incredibly popular is its amazing bonuses, promotions, and loyalty program.

In this review, we’ll give you the lowdown on Mostro and all of the great things it has on offer.

Online Casino Mostro: Licensing and Regulation Information

Mostro casino has an international gambling license with Curaçao Gaming Commission. Even though the casino is a newcomer on the onlineMostro casino gambling front, its parent company, RNB Consult Ltd, are a long-established company that run lots of other casinos, including Slotstoto Casino and 345 Spins Casino.

The business is registered in Bulgaria (address: Bulgaria, Sofia 1404, Residential District Manastirski Livado, 186 Louis Ayer Str., ground floor) and the registration number is 205822400.

What’s really impressive about this site is that all of this information is readily available from the footers on all of the pages on the site.

Mostro Casino Website Security

Mostro casinoMostro casino presents its players with a friendly, safe, and secure environment across all aspects of the website. This casino uses the most trusted cyber security systems and has a valid SSL encryption certificate to protect their online transactions. When you look at the web address in the internet browser, it is preceded by https, and so you know it is a secure website. When data is collected, it is stored on ultra-secure servers that are constantly updated and protect by new security patches. The Mostro servers are also regularly updated by security experts.

How to Sign Up to Mostro Casino

The Mostro signup process is pretty straightforward. When you go to the home page, you’ll notice a green button at the top righthand corner saying ‘signup.’ All players, including Dutch players, can register for free. This site welcomes players from all over the world thanks to its Curacao gaming license.

To sign up, you’ll need to fill in your personal details like your name, date of birth, address, and email address, etc. You don’t need to upload ID or validate your identity at this site, but it worth doing so that withdrawals happen more quickly. The casino’s terms and conditions state that they reserve the right to ask you for ID validation at any point, so it’s worth doing at the start to avoid issues further down the line when you want to withdraw funds.

Mostro Online Casino Games

Mostro has a large game library with over 2,000 excellent games. These are split into different sections along a header: featured games, new games, jackpot games, slots, card & table games, all games, and live casino. You can also search for games easily from the header too. When you’re logged in, there’s also a tab for ‘my games’ so that you don’t have to keep searching for your favorites!

You don’t even need to register and activate your account to try the games. You can play your favorite game without having to gamble. When you decide you like a game, you can play for real money (as long as you’re logged in and have made a deposit).

Here are some of the most popular games in each type:


Mostro casinoThere are thousands of slot games and so no matter your game preferences, you’ll find something for every taste. Some of the most popular slots are the sickly-sweet Sugar Pop, the Shrek-inspired Ogre Empire, the Greek-themed The Golden Owl of Athena, and the wildlife-themed Stampede.

Card & Table Games

Mostro casinoFor anyone who likes traditional casino card and table games, there are so many to choose from at Mostro. These include Caribbean Poker, Single Deck Blackjack, European Roulette, Pontoon, Oasis Poker, Deuces Wild, Baccarat, Craps, and bingo.

Live Casino

Mostro casinoIf Live Casino is your thing, you’ve got so much choice. The live casino games are brought to you by Evolution, Sagagaming, Fazi, and Betgamestv. There is VIP Roulette, Lightning Baccarat. Andar Bahar, First Person Mega Ball, American Roulette, First Person Golden Wealth Baccarat, Emperor Speed Baccarat A, and Grand Casino Roulette, among others.

Progressive Jackpots

Mostro casinoMostro Online Casino has three jackpot games. These are Charms and Clover (Betsoft), Reels of Wealth (Betsoft), and African Cats (Rubyplay). Charms and Clover and Reels of Wealth can both be played as demo games too.

Software Developers at Mostro

The majority of Mostro’s gaming library is supplied by smaller-scale games providers. These include TrueLab, Rubyplay, Red Rake, Green Jade, Apollo, and Mr. Slotty to name a few. They do, however, have some of the big names too like Betsoft, Microgaming, and Evolution.

Downloadable Software

Mostro casino doesn’t provide downloadable software for you mobile or PC, but the site is fully optimized and so this is not at all needed. Even from a smartphone browser players can access all areas of the site and do everything they want like they can on a desktop computer.

Mostro Casino Bonus and Promotions

When it comes to Mostro casino bonuses and promotions, this is where this site really shines above others and stands out for its offering. There are lots of bonuses and promotions – including ones for existing customers. Let’s look at each one in more detail.

Mostro casino

Welcome Bonus

When you sign up to Mostro, you get a 200% Mostro casino deposit bonus on your first deposit. This is only available for new players. The minimum deposit among is €20 and the maximum bonus you can claim is €3,000.

Mostro Bonus Conditions

When the bonus is received, it needs to be wagered 30x before it can be withdrawn. This is actually very generous and one of the lowest wagering requirements around.

Second Deposit Bonus

When you make a second deposit at Mostro, you can also claim another 200% match bonus! This also has a minimum amount of €20 deposit and a maximum claim of €3000. The wagering requirements are also 30x.

80% Monday Bonus

Every Monday there is an 80% bonus. Provided that you make a minimum deposit of €40, you can receive an 80% match bonus every week. The maximum bonus amount is €1,000, which is amazing! The wagering requirements remain low at 30x.

60% Daily Bonus

If you want to deposit money on another day of the week, you can also get a bonus! The Mostro 60% bonus is available every day to anyone depositing at least €20. Once again, the maximum bonus amount is a generous €1,000 and the wagering requirements are 30x, this bonus can only be used once each day.

50% Friday Bonus

Each Friday there is a 50% bonus on deposits over €45. Unlike the other daily bonuses at the casino, though, this time you can have a higher maximum bonus amount of €1,500. Wagering requirements are x30

100% Sunday Bonus

Finally, there is a 100% bonus each Sunday too. Provided that players deposit at least €50, they can take advantage of this generous bonus up to a maximum amount of €2,000. Again, the wagering requirements are x30.

All in all, the bonuses on offer at Mostro are very frequent and very generous too!

Mostro Bonus Terms and Conditions

Like all online casinos, there are some terms and conditions involved with bonuses and promotions. Thankfully, Mostro makes is T&Cs really clear on their website. There is even a separate page of bonus T&Cs. Here are some things that are in the Mostro terms and conditions regarding bonuses:

  • The maximum amount a player can bet per singe round is €10. Bonuses can be used on all classic slots and video slots with any game provider apart from Booongo. This means that players can’t use their bonuses on card games, table games and live casino games. So, when an online gambler has an active bonus in place, these games cannot be played. If a player wants to play these games with a bonus in place, they need to cancel the bonus by contacting customer support.
  • If players only want to play table games and card games and don’t want to take advantage of these bonuses when they make deposits, they can change the automatic deposit bonuses off in the bonuses menu in settings.
  • The bonuses are only available once per household and per address even if there are multiple people at one address.
  • Sometimes, players will win from Mostro Free Spins. When this happens, the winnings are limited to €50. Free Spins winnings also have a wagering requirement of 45x.

VIP and Loyalty Programs

crownThe Mostro Loyalty Program and VIP program is very rewarding, and anyone can access it. It is a coin-based system where players work their way through gathering coins. Players receive their first coin when they register. They can get a second one when they upload their ID verification documents, and a third when their first deposit is made. When players accumulate three coins of the same type, they can redeem them for the prize on the coin. Like the bonuses, these prizes are subject to 30x wagering requirements.

To get more coins, players need to gather loyalty points. Every 50 loyalty points will provide 1 coin. What’s more, there are 10 coins randomly given out to members each day. Finally, if you’re ever going to make a deposit of more than €500, contact customer support as you can get an extra coin for doing this. The points on which the coins are based upon can be earned by making a deposit and by placing real money bets on slot games.

Here are the different types of coin:

  • Gold coin
  • €1000 Cash
  • €50
  • €100 cash
  • €30 cash on table games
  • 100 free spins (Planet of the Apes)
  • 50 free spins (Jack and the Beanstalk)
  • 40 free spins (Bumper Crops)
  • 30 free spins (Star Burst)
  • 30 free spins (Don Juan’s Peppers)
  • 30 free spins (Blood Suckers II)
  • 20 free spins (Thrones of Persia)
  • 10 free spins (Warlords)
  • 10 free spins (Fireworks Master)

When three coins of the same type are owned, a player can contact customer support to redeem the coins. These are usually processed within 24 hours.

Promo Codes at Mostro Casino

Mostro bonus codes and promotion codes don’t exist. These are open to everyone unless they turn off automatic bonuses.

Mostro Casino Payment Methods

Mostro real money casino accepts 11 different currencies and accept a range of payment methods.

The site supports the following currencies:

  • EUR
  • GBP
  • USD
  • CAD
  • AUD
  • CHF
  • NOK
  • SEK
  • ZAR
  • DKK

Deposit methods

Mostro casinoNo matter which deposit method you use, your funds will be credited to your account in a maximum time of twelve hours. Most often, funds appear instantly in your account. For deposits, players can use major credit and debit cards like Visa, Mastercard, VISA Electron, and Amex. These are the most popular deposit methods for Mostro users. Those who are cautious about their credit card information being shared, prepaid cards like EntroPay and Paysafe are also accepted. Unfortunately, Mostro doesn’t use and e-wallet payments like Skrill, Neteller or PayPal so players have to use another format. Cryptocurrencies also aren’t accepted.

Withdrawal methods

Withdrawals can be made to all major credit cards and debit cards like Mastercard, Visa, Visa Electron and Amex. Withdrawals will take a fewMostro casino days, unfortunately, but this is due to how long your bank takes to process the transaction and it can’t be done any quicker. As e-wallets aren’t available, players need to plan their withdrawals with this in mind. There is also no possible deposit with iDeal.

Payment methods and processing times

Deposit methodsMastercard, Visa, Visa Electron, Amex, Paysafe, EntroPayUp to 12 hours (but almost always instant)
Withdrawal methodsMastercard, Visa, Visa Electron, Amex,Up to 5 business days

Withdrawal Rules

Though Mostro doesn’t state any figures, it the withdrawal terms and conditions section it says there might be a processing fee. Also, the minimum you can with draw is €100 and the maximum is €5,000 within 30 days.

The terms and conditions don’t state that verification is mandatory, but it does state that the can decline withdrawals without it. To verify your idea, you need to provide a proof of address as well as photographic ID.

What’s more, Mostro will only pay out a withdrawal to an account with the same name as listed on your account. If the name on the payment card and the Mostro account don’t match, these can be declined. The same goes for the address.

Players are also responsible for following the tax laws in their country in regard to their winnings. Thankfully, Dutch gamblers don’t need to worry because in the Netherlands, there is no taxation on gambling winnings, and they don’t have to be reported.

Mostro casinoFunds Security

As previously mentioned, the website is extremely secure. It is protected by SSL encryption and displays the https prefix so players can rest assured that their funds are safe. What’s more, Mostro clearly states that there is no interest gained on funds held.

RTP Information

The RTP with greatly depend on the game that is being played. Overall, the RTP for Mostro is 83%. Mostro clearly states on its website that the game result or outcome is decided by TRNG – a True Random Number Generator.

Mostro Casino

Customer Support

There are lots of ways to contact customer support. These include live chat (available 2pm to 10pm each day) and the 24/7 email support ([email protected]).

Mobile website

Mostro casinoThe Mostro online casino is designed with HMTL5 technology so players can access everything from their smartphones with ease. There is no application because it isn’t needed. Players who prefer quick access, can bookmark the website, or add a shortcut to their smartphone to play online quickly.


Mostro casino is a fresh treat for online casino lovers. With its appealing welcome bonus, different types of promotions, secure payments, and top-quality casino games, every Dutch online gambler is sure to have an enjoyable experience. If this review piqued your interest, don’t hesitate to register at Mostro and start exploring their extensive game selection.

Want to check out other great online casinos for the Dutch players? We recommend taking a look at our Lapilanders casino online review and the review of Time2Spin casino.



Kathleen S.
Hallo, ik ben Kathleen Spiering, welkom op mijn website waar ik adviezen en aanbevelingen deel en je wil helpen om oplichting en andere valkuilen bij gokken te voorkomen. Als je vragen hebt hoor ik het graag. Ik zal je direct antwoorden.
Back to top

Let op! Alle logo’s worden gebruikt op de website met toestemming van de casinomerken. Bovendien, is het tekstmateriaal op de website uniek. Alle claims en klachten met betrekking tot de website zullen voor de rechtbank worden beslecht.