Onion Casino Bonuses & Review
Established in 2023, Onion Casino is an online gambling site owned by Omega Entertainment N.V.. This means it is still a relatively new casino, but it has been around for some time, which means we can now better assess its qualities.
In our Onion Casino review, we have evaluated this online casino including the bonuses, promotions, and real money bonus codes their players might receive. For further information about this online casino's bonuses, games on offer, payment methods, licenses, and other details, keep reading this casino review.
Onion Casino Licenses
When assessing any online casino and its promotional offers, we take a close look at the casino's licensing. These are necessary since they indicate if the casino has received an approval from an official online gambling authority or not. Licensing details for Onion Casino are available in the list below.
| Licensed in | Regulator name |
|---|---|
| Curaçao | Curaçao Gaming Control Board |
Onion Casino Games and Slots Selection
Before you register an account at an online casino, we suggest you make sure its selection of online casino games and slots to play for real money aligns with your preferences. Onion Casino provides a wide range of casino games, such as slots, roulette, and blackjack. Many players will find here their favorite casino games.
Furthermore, Onion Casino also offers these casino games: Virtual sports, Video poker, Scratch cards, Baccarat, Bingo, Keno, Other card games, Crash games, Live shows, Live baccarat, Live blackjack, Live poker, Live roulette.
You can also find live dealer casino games at Onion Casino. So, if casino games with a live dealer are what you are looking for, this casino has a selection of those, too. However, make sure to take a look at the T&Cs of any bonus you plan to claim, as these games are often restricted.
Onion Casino features casino games developed and produced by 5+ game suppliers. These include popular providers like BF Games, Leap Gaming, Fugaso, Hacksaw Gaming, Ka Gaming, Mascot Gaming, Smartsoft Gaming, Gamzix. The Overview section offers a full list of available game developers.
Payment Options of Onion Casino
In terms of deposits and withdrawals, Onion Casino accepts the following number of payment methods: 5+. Among them are Bank transfer, Binance Pay, VouWallet, Monetix Wallet, SBP, Sberbank RU. To see a full list of supported methods, go to the Overview section above.
Onion Casino accepts cryptocurrency payments. As a result, it joins the increasing number of crypto casinos, which are online gambling establishments that let users make payments using Bitcoin or other cryptocurrencies.Summary and Safety
Now, you hopefully have an idea whether Onion Casino is a suitable casino for you. It's important to know whether a casino site you want to register at has the games you enjoy on offer and accepts your chosen banking option. That said, we consider security and safety the highest priority, which is why they are the focal point of our casino rating.
Onion Casino has gotten a rating of 3 out of 5 stars. This makes it a casino site with a mediocre level of safety and security, which is why we recommend that most players seek a safer online casino.
Keep in mind that issues can emerge at any online casino, even at those with a high safety rating. Still, the higher the rating, the less probable these troubles are to occur. For this reason, we suggest taking the safety rating into account when choosing a casino and claiming its bonus offers.
Onion Casino Promo Offers and Bonus Codes in 2025
Now, let's discuss the key focus of this review: best casino bonuses, bonus codes, and other promotional deals offered by Onion Casino. Online casinos frequently offer bonuses to new players in the form of welcome or sign-up bonuses, as well as to existing players.
These can include deposit bonuses, no deposit bonuses, free spins, loyalty bonuses, and other kinds of promotions.
On this page, we will explore Onion Casino bonuses, which are listed above.
Onion Casino Deposit Bonus Offers
Let's start with deposit bonuses. Casinos offer these to new players who create an account at the casino and complete their first real money deposit. Typically, these are the largest bonus promotions that most casinos provide. Frequently, their size is calculated as a percentage of the deposited amount; however, casinos often also offer free spins on deposit or fixed bonus amounts.
| Bonus type | Bonus offer |
|---|---|
| First deposit bonus | 450% up to 25,000 руб + up to 100 spins (5 руб/spin) |
| First deposit bonus | 200% up to 25,000 руб + up to 200 spins (5 руб/spin) |
You can find the deposit bonuses offered by Onion Casino as of 2025 in the table above, as well as near the top of this page. Keep in mind, however, that not all bonuses are available to users from all regions and countries.
No Deposit Bonuses and Free Spins Offered by Onion Casino
No deposit bonuses and free bonus codes are extremely popular in the world of online casinos. Players can enjoy casino games for free with the possibility of winning real prizes, since these bonuses don't require depositing any funds. They typically come as some sort of free bonus money or a set of free spins credited to your player account.
At present, we do not have any information about Onion Casino offering a no deposit bonus in 2025. Take a look at our list of best no deposit bonuses to find free bonus codes offered by other casinos.
Other Bonuses
We focus our search for casino bonuses on deposit and no deposit offers since they are very popular among players. But there are also other offers, like tournaments, cashback promos, reload bonuses, loyalty programs, and even no deposit bonuses for current players.
To find these, we recommend visiting the casino's website and checking the section with bonuses and promotions.
