Onyxion B.V. Casinos

Are Onyxion B.V. Casinos legit?

Onyxion B.V. Casinos is a small group that operates just a few casinos. But wait until you find out about the earth-shattering promotions the casinos from this group have to offer! If you are a crypto fan or you just want a special promotion because you are a loyal player, no worries, Onyxion B.V. Mystake and Roletto got your back.

Win a Crypto Cashback or pick one of the 3700 games of Rolleto's massive library. We truly hope that Onyxion B.V. Casinos will be the right platform for you, because the Onyxion development was mainly provided by the eminent game providers mentioned in this article.  As a matter of fact, all the casinos that belong to Onyxion BV have a Curacao license. So you will play in a legit and safe environment.

Note: The casinos from Onyxion B.V. have migrated to Santeda International B.V.

Last Updated on 31/10/2023

Last Updated on 31/10/2023

MyStake Casino

150% up to €200

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MyStake Casino

150% up to €200

Wagering 30x B + D T&C Apply.
Launch Date undefined
  • What We Like:
  • Reload Bonuses and Free Spins
  • Crypto Cashback
  • 10% Loyalty Bonus
Bonus Code
Not Required
Game Providers
Wagering Requirement
30x B + D
Jackpot Slots
Payout Time
1-4 Working Days
Casino License
Bonus Code
Not Required
Wagering Requirement
30x B + D
Jackpot Slots
Game Providers
Payout Time
1-4 Working Days
Casino License
MyStake Casino is a famous platform that offers countless bonuses and perks with extensive list of games.
Rolletto Casino

250% up to $1500

Launch Date undefined
Rolletto Casino

250% up to $1500

Wagering 30x B + D T&C Apply.
Launch Date undefined
  • What We Like:
  • Free Bet
  • Cashback
  • Crypto Welcome Bonus
Bonus Code
Not Required
Game Providers
Wagering Requirement
30x B + D
Jackpot Slots
Payout Time
1-4 Working Days
Casino License
Bonus Code
Not Required
Wagering Requirement
30x B + D
Jackpot Slots
Game Providers
Payout Time
1-4 Working Days
Casino License
Rolletto Casino offers 3 consecutive Highroller Welcome Deposit Bonuses going up to €6000.

Last Updated on 31/10/2023

Last Updated on 31/10/2023

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 Introduction to Onyxion B.V. Group

Onyxion-BV-casinos-bannersOnyxion B.V. is a company that sets its foot on the market in 2019. So, it is fairly new to the online gambling world. It is a company from Curacao. The company boasts of 3 online casinos.

In order to find out more about Onyxion B.V., keep reading the review. We are also going to dig deeper into what the casino offers and tell you what you can expect. Okay, so let's get started.


History of Onyxion B.V. Casinos

Onyxion B.V. became the Commercial Register of the Curacao Chamber of Commerce and Industry in 2019. Nevertheless, it runs its casinos under a subsidiary. This is known as Onyxion Development Limited. It is a company from Cyprus. However, we didn’t find a website to refer to.

To reach out to the masses, the sites operated by Onyxion B.V. have been made available in different languages such as:

  • English
  • German
  • Russian
  • French
  • Finnish
  • Italian
  • Swedish

Hence, you can choose the language you prefer when you play on these sites.

Games Available on Onyxion B.V.

You might be thinking about what kind of gambling options you can expect from online casinos. Well, you will find all types of games on these platforms.

Firstly, you need to know that the platforms offer sports and casino options. When it comes to the former, you will be able to bet on some of the most popular sports, such as baseball, hockey, etc. However, you will also find an eSports section.

If you are a casino game fan, you can try out the massive collection of games. There are more than 4000 games in these casinos. In fact, in the game library, you will find options, such as:

  • Slots
  • Table games
  • Progressive jackpots
  • Instant wins
  • Sports
  • Live casino games

Another key point is that these games are supplied by the top software providers in the industry. These include:

  • 1×2 Gaming
  • Pragmatic Play
  • Evolution Gaming
  • Habanero

So, you can expect to have a great time at these sites.

Safety and Security of Onyxion BV

Since Onyxion B.V. is based in Curacao, it gets its license from the Government of Curacao. Hence, when you play on this site, you know you are in safe hands.

Also, safety is not an issue in these casinos. This is because the company makes sure that the sites use SSL encryption methods. Thus, the customers are always protected. It is equally important that all types of data will be encrypted and stored from the prying eyes of scrupulous means.

In addition, to make sure the games are fair and random, the casinos use a random number generator. Hence, you know nothing is going to influence the game’s outcome.

Discover more companies with Curacao Licensed Casinos:

Onixyon B.V. Casino of the Month – Mystake Casino

Mystake Casino began its journey in 2019 by offering its players fantastic winning opportunities. In addition, the casino is Regulated and owned by Onixyon B.V.

Since then, Mystake didn’t stop surprising its customers by offering many exciting monthly promotions and bonuses.

Thus, If you feel uncertain about what advantages you can take, you have come to the right place.

Although we covered a whole section about this, we would still like to point out the crypto and cashback bonuses. Besides the bonuses, the game library will surprise you with its rich color palette, games vibrancy, and design intuitiveness. Moreover, some of the best game providers, such as Evolution Gaming, develop live games. 

Special Bonuses at Onyxion

  • Welcome Casino Bonus

This excellent welcoming package offers an award of a 150% deposit bonus with a deposit made 20 €/$ up to 200 €/$. Furthermore, deposits between 201 €/$ and 1000 €/$ will be awarded a 100% deposit bonus. The wagering requirement is coupled with 30 times the bonus amount and deposit.

  • 2nd Deposit Casino Bonus

The best promotion so far is opening its doors to deposits between 20€/$ and 500€/$ and you will be awarded a 100% bonus. This bonus applies to new customers when they make their second deposit. Henceforth, the wagering requirement is 30 times the deposit amount and the bonus amount.

  • Crypto Deposit Bonus

Deposits between 20€/$ and 600€/$ will get a bonus of 170%, while the maximum bonus per deposit is $1000. In addition, It is essential to inform the clients that this advantage is only for new clients who make their first crypto deposit. The wagering requirement is equally required as in the welcome bonus.

  • 10% Crypto Cashback

If you thought the previous promotions were fantastic, you’ll be excited to read about this one! As a matter of fact, Mystake casino is spicing things up by offering 10% Cashback without any restrictions! The only additional information that we would add here is that you have to request Crypto Cashback manually during the first 5 days of each new month.

  • 3 + 1 Free Bet

Mystake casino will undeniably reward its customers by adding a free bet on those who already bet three times. Hence, the amount for free bets starts from 10 €/$ – 100€/$.

  • 10% LOYALTY Deposit Bonus

It seems like Mystake Casino won't stop with these exciting bonuses, especially the bonus for its loyal players. Compared to other bonuses, where players can play in all categories, the loyalty deposit bonus refers only to Casino, Sportsbook, and Games sections. The players can get up to 500€/$, but also this winning comes to 45x wagering requirement.

  • Dino 10 Free Runs

Unlike the previous offer, in this Jurassic bonus, the first deposit is a minimum of 20€/$ and by entering the promo code DINOFREERUN you’ll be awarded a deposit bonus of 10 free dino runs!

  • Free Spins and Free Bets

Do not forget to follow Mystake on Discord so you can enjoy your weekly free spins and free beets.

  • MyStake Casino
  • Roletto Casino

Onyxion B.V. Casinos List

Onyxion B.V. basically has two casinos under its umbrella. In this section, we are going to take a look at these casinos in detail. The casino is coupled with themes, banking options, games, customer support, and more!

1. Mystake Casino

Mystake Casino from Onyxion BV Group

Advantages at Mystake Casino:

  • Curacao Licensed
  • 141+ Software Providers
  • 4000+ Titles
  • Sportsbook
  • 150% Welcome Bonus
  • Full Banking Suite (Including Cryptocurrencies)
  • Live Chat
  • 6 Language Settings (Including Swedish)

In case you are looking for an online casino that has a collection of top games, thanks to Onyxion B.V. Mystake Casino might be it. In this casino, you will find games from the top software providers, such as:

  • Play’n GO
  • NetEnt
  • Thunderkick
  • Red Tiger Gaming
  • Nolimit City
  • Pragmatic Play

You can access the site from all devices so, you will be able to play on your mobile device on the go. Hence, the casino makes sure that players can play conveniently. 

The site is licensed and regulated by the Government of Curacao. Hence, you know it is operating legally.

Promotions at Mystake Casino

Another key point is that Mystake casino has one of the most crowded promotion sections with many different options for deposit and reloads bonuses along with the sessional offers. In the same way, the casino is also giving away exclusive promotions for players that will join the telegram or discord channel of the brand.

Although we have got to mention that only one promotion can be activated at the same time. At last, the promotions must be activated before deposits are made otherwise the bonus will not be acquired.

To begin with the incredibly vast promotion section, we must split the offers into several sections.

Casino Promotions
  • Mystake casino is offering to match 100% of your first deposit up to 1000 €. Furthermore, the casino will match 150% of your deposit if below or equivalent to 200 €. Accordingly, the minimum deposit allowed is 20 € and wagering requirements are set at 30x the deposit and bonus funds together.
  • The second deposit bonus promotion will certainly match 100% of your deposit up to 500 €. Same as the first deposit the wagering requirements are 30x and the maximum bet limit with bonus is set at 5 €.
Crypto promotions
  • Unquestionably, a whopping 170% match on your first Crypto deposit up to 1000 € will be granted. Because of choosing to deposit with one of the following options Bitcoins, Bitcoin Cash, Ethereum, Litecoin, Ripple, Dash, Monero, or Stellar.
  • The Mystake casino is also offering a Crypto cashback promotion that will supplement players with 10% of the losses endured. Therefore, this is automatically activated one of the first three days at the beginning of every month. At this point, there are no wagering requirements for these funds from the cashback.
Sports betting promotions
  • Mystake casino will evidently match 100 of your first sportsbook deposit up to 500 €. In addition, the wagering requirements are set at 10x the turnover of your bonus plus the deposit amount. However, the sports bet must be done on 1,4, or higher odds games.
  • Sports Reload is another promotion that will benefit all the players in the sportsbook section of the Mystake casino. The casino will award you, by and large, with a 35% bonus if you deposit between 20 € and 350 €. The wagering requirement for these bonus funds at this time is set at 7x the deposit plus the bonus amount.
  • Besides the abovementioned offers, for every three consecutive bets made with 10 € or more Mystake will grant you a fourth free bet with the same amount. As a result, the maximum amount of free bet is 100 € equivalent.
Mini-Games and Free Runs promotions
  • Basically, Mystake casino will match 100% of your first deposit up to 500 € with the new mini-games welcome promotion. Analogous to this, wagering requirements for the mini-games bonus are set at 20x times the bonus plus the deposit amount.
  • Free Runs is another promotion that will provide players with 10 Free Spins on the Dino Runs game by depositing 20 €. Therefore, to withdraw from this game, you will have to meet the 20x wagering requirements.
● Game Collection

Owing to numerous software providers powering the site, you will find ample games on Onyxion B.V. Mystake Casino. The casino offers the most popular 4000 video slots to choose from, hence, you are never going to run out of options.

There are slots on different but also specific themes. In fact, these slots come with unique bonus features that you can take advantage of. You can sort them as per their provider. But if you already know the name of the slot you want to play, you can use the search bar.

Also, table game lovers are not going to be disappointed here. You will find particular variations of roulette, blackjack, and poker. Isn’t that exciting? Some of them follow the classic table game rules. However, others come with a modernized feel. Unlike the slot games, the table game section is a tad smaller.

In case you like card games, check out the video poker options the site has to offer. These are different combinations of slot and poker.

You will find some instant win games, too, for instance, Keno. If you are new to casino games and want to play something that is not complicated, you can try it out.

But if you want to have a real-time casino experience, you will have to check out the live casino section. There is a fantastic selection of games here, while the live casino games on the platform are fully immersive. However, the best part is they are hosted by real-time dealers. On one hand, you will find an impressive portfolio of live casino games to choose from. On the other hand, you will find variations of live baccarat and live blackjack.

Banking Methods

The casino makes sure you can play the games with complete ease, for this reason, it provides a good number of payment methods. So, you can make deposits using eWallet, debit and credit cards, prepaid vouchers, and bank transfers.

Regardless of the method you choose to make your deposit or withdrawals, the casino is not going to charge a fee. However, the casino is not liable if the banking method you have chosen charges a fee.

Deposits are processed instantly. Also, you can enjoy faster withdrawals at the site. It will only take a few hours for the money to be deposited into your account when you choose an eWallet. But it can take a few days if you choose credit or debit card transfer. The best thing about the site is you will also be able to make deposits using cryptocurrencies.

Moreover, you can choose from different currencies at this site.

 Customer Support

In case you have any queries about deposits or bonuses, you can reach out to the customer support team of the site. If it is urgent, you can avail of the live chat option. However, if you open the live chat, you will only be able to communicate in English.

The online casino also offers email support. Moreover, it has a Facebook where you can post your queries.

Nevertheless, Mystake Casino doesn’t have a phone support option. This is the reason it makes sure that you get a response to the queries as soon as possible.

● Mobile Casino

Mobile gambling is the primary requirement at the present time. So, Mystake Casino has optimized its site for all kinds of devices. Hence, It makes sure that you can play your favorite games from a tablet, PC, smartphone, or laptop.

However, the site can be opened directly from the browser, you just need a reliable internet connection. However, the site still has a dedicated app.

● Safety and Security

Safety isn’t an issue when it comes to Mystake Casino because It uses SSL encryption technology. Thus, the customers can be sure that they are always protected. First thing to remember is that all kinds of data will be encrypted and stored securely. Your financial and personal data will undeniably never land up in the hands of hackers.

The games on the site run on a random number generator, hence, you believe that the game outcomes are fair and random. In other words, no trick can influence the game’s outcome.

2. Rolletto Casino

Advantages at Roletto Casino:

  • Curacao License
  • Live Casino
  • Sportsbook
  • Live Chat
  • 3700+ Games
  • 92+ Developers
  • Full Banking Suite
  • Cryptocurrencies
  • 150% Welcome Bonus
  • 100% Highroller Welcome Deposit
  • 170% Crypto Deposit Bonus

In addition, as a part of the Onyxion B.V. group, the casino is home to a large collection of games. It caters to players from across the world. Being established in 2019, Roletto apart from the casino also has a sports betting section. As shown above, about Mystake, this too gets its license from the Government of Curacao. The casino will draw your attention at the first glance.

● Game Collection

There are more than 500 games from 90 different software providers, thus the casino will never disappoint you in terms of games.  So, the software providers you will find on this platform are:

  • Big Time Gaming
  • Betsoft
  • Microgaming
  • NetEnt
  • Play’n GO
  • Evolution Gaming

When you enter the casino menu, you will get to see a variety of games. One of the greatest categories on the platform is the slot i.e. there are classic, as well as new slots to choose from. You will find slots based on different themes. Hence, the casino makes sure that you don’t get bored.

In case you are not a fan of slots games, you can try out the slots that the site has to offer. Onyxion B.V.'s Rolletto Casino offers 119 table games, so, it is going to keep you entertained. Some of the table games you can play on the site are Roulette, Baccarat, Blackjack, Sic Bo, and even more table games.

But if you are a fan of card games, you should check out the video poker options. There are many video poker games. Hence you can choose the one that fits your bill.

Players can also try out the live casino section, where the games are hosted by real-time dealers. As a matter of fact, there are a lot of options. The provider of this section is Evolution Gaming, so you will find games like live casino hold ’em, live power blackjack, or deal or no deal.

All things considered, the casino game lobby ensures you have a good time playing.

Promotions at Rolletto Casino by Onyxion Development Casinos

 After a deep analysis of Rolletto Casino we can easily say that this casino besides coming from a safe playing platform like Onyxion B.V. has a lot to offer to its players.  In addition, the first thing that you'll find at the casino is a plethora of bonuses and promotions. Hence we recommend this casino and gave it a good ranking in our review because of the diversity. 

Rolletto Onyxion BV Casino offers the following promotions: 

  • First deposit with up to 150% Welcome Bonus, where the players can get 200 €/$
  • Another part of the welcome bonus where players can win up to 100% bonus and  1000 €/$
  • 10% Cashback Bonus, where the minimum amount is 5€/$ but the maximum is 500€/$
  • Welcome Casino Package for all the new players that consists of three deposits 
  • 10% Deposit Bonus where all the players can make a deposit and get 10% on the slot games 

Another key point is that there are also progressive betting bonuses on Premier League, La Liga, Serie A and so on that you can find on Rolleto's Casino official website. Onyxion BV takes care for all tha games to have right regulations and to have fair rules. 

● Banking Methods

To play for real money, you will have to make deposits at the site. There are so many options that you will not find it to be troubling.

In fact, players can choose to make deposits in cryptocurrencies.  However, you can also make deposits using eWallets, bank transfers, or credit or debit cards.

You have to make a deposit at the site of at least 20 USD. Also, the deposits you make are processed instantly, and even the payouts are quite fast.

● Customer Support

If you need any assistance while playing at the site, you can talk to the customer support team. One of the best ways to get their help is to chat with them live. The good thing is the customer support team is available to chat with you 24/7. But if you want, you can also email customer support. 

However, the site doesn’t provide any phone support option.

● Mobile Casino Compatibility

You can access the site from your mobile device because Rollette Casino has been optimized for mobile. The games are mobile optimized. So, you will be able to access them on the go.

● Safety and Security

When it comes to the player’s security, you can rest assured that the casino has a safe gambling environment. The casino uses SSL encryption for making sure any financial or personal details are encrypted and are kept from prying eyes by all means.

Moreover, the casino monitors the game for fairness. The casino uses a random number generator, so the game results will be fair and random. 

Onyxion B.V. Casinos FAQ

Onyxion B.V. is an online casino group. They own and operate various different themed online casinos for e.g. Roletto casino.

Onyxion BV is located at Pareraweg 45 in Curacao.

Onyxion BV Casinos get their license to operate from the Government of Curacao. So, they are completely legit. Their license number is 1668/JAZ.

Yes, players who want to have a real-time casino experience can play live casino games. These are handled by real-time dealers and are streamed to your life. But you can view the games in high quality. Moreover, you play from the comfort of your home.

Yes, you can make deposits using Bitcoin as it accepts all types of cryptocurrency.

Yes, you can open the casinos on your mobile as it has been optimized for mobile. Almost all the games can be played on your mobile device on the go.

Available language settings may vary between brands. All available language settings are English, Indian, Brazilian Portuguese, French, Swedish, Italian, and Russian.

  • Red Tiger
  • Play’n Go
  • Yggdrasil
  • Pragmatic
  • Play
  • Netent
  • Big Time
  • Gaming
  • Thunderkick
  • Microgaming
  • EGT
  • Gameart
  • Slotvision
  • Endorphina
  • G Games
  • Vela Gaming
  • Red Rake
  • Gaming
  • Belatra
  • CT interactive
  • Tom Horn
  • Playson
  • 1×2 Gaming
  • Booongo
  • Betsoft
  • WordMatch
  • iSoftbet
  • We are Casino
  • Spigo
  • Crazy Tooth Studio
  • Foxium
  • Booming Games
  • All41 Studios
  • Ganapati
  • Habanero
  • Genii
  • Triple
  • Edge Studio
  • Sling Shot Studios
  • Amatic
  • Leander
  • Stormcraft Studio
  • 2by2 Gaming
  • Ainsworth
  • Fortune Factory Studio
  • Golden Rock Studio
  • JWTW
  • Rabcat
  • Platipus
  • Quickspin
  • Genesis Gaming
  • Skillzz Gaming
  • Push Gaming
  • Fugaso
  • Patagonia
  • Igrosoft
  • Gamevy
  • Plak Gaming
  • Realistic
  • Spinomenal
  • Switch studios
  • Pariplay
  • Evolution
  • Gamomat
  • Golden Hero
  • Givme
  • High Five
  • Kalamba
  • Oryx
  • SmartSoft
  • Thunderspin
  • August Gaming
  • Blueprint Studios
  • ELK Studios
  • Gamefish Global
  • Hacksaw
  • Iron Dog
  • MobiSlots
  • NoLimit City
  • Omi Gaming
  • OneTouch
  • Revolver Gaming
  • Realtime Gaming
  • Spearhead Studios
  • Slotmill
  • Splitrock Gaming
  • MrSlotty
  • 7Mojos
  • Apollo Play
  • BGaming
  • Charismatic
  • Mancala Gaming
  • EurAsian Gaming
  • Fazi
  • Gamshy
  • Gamzix
  • GreenJade
  • Netgame
  • PGSoft
  • Playpearls
  • Spade
  • Gaming
  • Truelab
  • Wazdan
  • EvoPlay
  • Relax Gaming.

Yes, all Onyxion B.V. casinos are protected by top-tier SSL encryption to keep data safe and all developers are licensed.

  • Visa
  • Mastercard
  • Cryptocurrencies
  • JCB
  • Diners Club
  • Klarna
  • Discover
  • Interac
  • MiFinity
  • PayOp
  • Neteller
  • ecoPayz
  • Sofort
  • Qiwi
  • Skrill
  • PaySafeCard
  • Soccer
  • Basketball
  • 3×3 Basketball
  • Tennis
  • Baseball
  • Ice Hockey
  • Handball
  • Formula 1
  • Formula E
  • Volleyball
  • Futsal
  • Rugby
  • American Football
  • Snooker
  • Boxing
  • MMA
  • Badminton
  • Table Tennis
  • Golf
  • Athletics
  • Aussie Rules
  • Cricket
  • Darts
  • Field Hockey
  • Specials
  • Lacrosse
  • Stock Car Racing
  • Indy Car Racing
  • Rally
  • Speedway
  • Motorcycle Racing
  • Gaelic Hurling
  • Ski Jumping
  • Biathlon
  • Alpine Skiing
  • Counter-Strike
  • DOTA 2
  • League of Legends
  • Valorant
  • Rainbow Six
  • StarCraft BroodWar
  • StarCraft
  • Overwatch

Last Updated on 31/10/2023

Bart Crebolder
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