Koi is a zen-ful online casino that offers a wide range of games from some of the top software providers in the industry. However, what sets Koi Casino apart from other online casinos is its new product category, ParlayBay. And since we are the world’s most fanatic people over Parlaybay, this game category will obviously be our main focus point in this review. With that said, let’s take a closer look at what Koi Casino is all about and has to offer (including & excluding ParlayBay)


Koi Casino offers a variety of bonuses for players from different countries.

Welcome bonuses

Up to 15% Cashback100% up to 5000kr on first deposit100% up to 100€ on first deposit100% up to $1000 on first deposit100% up to $1000 on first deposit

Finnish players can enjoy up to 15% cashback, while players from Norway can receive a 100% bonus up to 5000kr on their first deposit. Estonian players can take advantage of a 100% bonus up to €100 on their first deposit, and Canadian players can receive a 100% bonus up to $1000 on their first deposit. New Zealand players can also receive a 100% bonus up to $1000 on their first deposit. Overall, these welcome bonuses are quite generous and should appeal to a wide range of players.

Bulky Cashback program

The Koi cashback program is really attractive, yet simple enough for everyone to understand the underlying principles of up to 15% kickback on all your net losses.

Simple as 1-2-3 (4)

  1. Create an account
  2. Claim the offer
  3. Start spinning
  4. Retrieve your cashback if you lose

Terms & Conditions

The bonus money must be wagered x10 before any winnings can be withdrawn. For Free Spins winnings, the wagering requirement is x50. The wagering requirement must be completed within 24 hours. Bonuses will expire at 23:59 local time on the day they were added. This promotion is ongoing until further notice, but koicasino.com reserves the right to modify or terminate the promotion at any time. The casino’s general Terms & Conditions and Bonus rules apply.

Drops & Wins

After thoroughly reviewing the Drops & Wins Live Casino at KoiCasino, I can confidently say that it really enhances the gaming experience. The daily rewards, game show tournaments and weekly blackjack showdowns add an extra layer of excitement, giving players multiple opportunities to win big from the €500,000 monthly prize pool.

To participate in the Drops & Wins Live Casino, a minimum qualifying bet of €2 for daily prize drops and game show tournaments, and €10 for weekly blackjack challenges is required. The participating campaign games can be easily located in the Drops & Wins game lobby, and players can choose their preferred games to enjoy the excitement.

Drop wins

With Drop Wins, you can play for your chance to win a share of the massive €2,000,000 prize pool every month with weekly tournaments and cash drops. Start off by joining the seven-day tournament from Wednesday to Wednesday and climb your way up the leaderboard to win big based on the selected tournament criteria. The player with the highest single spin win amount adjusted for the bet amount will take home the prize. Don’t miss your chance to take on this challenge!


Koi Casino offers an impressive selection of over 3000 slots from a variety of top software providers in the industry. These include popular providers like NetEnt, Play’n GO, Pragmatic Play, iSoftBet, and many more. In addition to slots, Koi Casino also offers a variety of table & Live casino games giving players the opportunity to play blackjack, roulette, baccarat, and poker in real-time.

Slot machines

With over 3000 slots available, Koi Casino offers something for everyone. Popular titles include Book of Dead, Starburst, Gonzo’s Quest, and Wolf Gold, but there are also more modern titles to discover such as GigaJar by Push Gaming. The slots are organized by category and software provider, making it easy for players to find their favorites.

One of the first operators in Europe to add ParlayBay games!

But the most important aspect of the Koi game portfolio is the latest addition, Parlaybay. ParlayBay sets Koi Casino apart from most other online casinos right now as they’ll be one of the first European operators to implement this game type. It’s a new product that allows players to create custom multi-bet parlays on sports events. Players can choose from a variety of sports and events to create their parlay, with potential payouts increasing as the number of bets in the parlay increases.

If you are already a customer at Koi you should definitely log in and try them out (or try our Parlaybay demos here on-site). And if you weren’t a customer at Koi already. This is as good of a reason as any to sign up right now!

Gambling Licenses

Koi Casino is operated by Njord Ventures B.V., a company registered under the laws of Curaçao. Njord Ventures BV is licensed to conduct online gaming operations by the government of Curaçao under license number 8048/JAZ. Njord Vantage Services LTD, a company registered under the laws of Cyprus, provides management, payment, and support services related to the operation of the website.

In Europe KoiCasino is operated by Njord Vantage Services LTD, a trusted and licensed company with a Company Identification Number of HE413535 and an address at Neptune House, Floor 1, flat 11, Zakaki 3045 Limassol, Cyprus. We are proud to hold the following gambling licenses from the Estonian Tax and Customs Board: HKL000400, HKL000071.

Restricted Countries: Koi Casino is restricted in a number of countries, all of which can be found at the end of the review.

Sister casino site

Koi has a younger sister called Buumi. It’s the latest brand launched by Njord Ventures BV and is (apart from the design that we very much enjoy Koi for) a superior brand in many ways. Check out both to see which one you prefer the best, it really doesn’t matter to us.


Koi Casino is an excellent online casino that offers a wide range of games, including a fantastic selection of slot games and a comprehensive live casino. The addition of ParlayBay adds another layer of excitement to the casino, providing players with an enjoyable sports betting experience.

The casino’s welcome bonuses and ongoing promotions are also very generous, providing players with plenty of opportunities to boost their bankroll. The site’s user-friendly interface and mobile compatibility make it easy for players to enjoy their favorite games on the go.

Overall, we think that Koi Casino is a great choice (especially for European players) for players looking for a high-quality online gaming experience. Its extensive game library, excellent bonuses, and top-notch customer support make it a top contender in the online casino industry.

Koi Casino Details

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