The Best Casinos & Slots Online — We Have Them All!
Welcome to Slotsoo — Your complete guide to finding the best casinos and slots online. We focus on online casinos that are worth it and our goal is to provide you with the Best Casinos Online from a place of experience. We work together with tons of casinos to bring you the top reviewed MGA and Curacao licensed casinos , International Casinos and the top-notch Sports & Betting sites for 2021. Plus, we work hard daily to summarize fact-checked Casino News, the most Popular Slots and the Newest Casinos on the market. Whether you are playing for the first time or you have experience, use our best tips on how to maximize your casino experience.
Looking for the best Casino Bonus 2021? Before you rush playing at a new casino, don’t forget to check out our website to see if we have any exclusive bonuses that you can take part of. At Slotsoo we firmly believe that claiming a bonus should be easy, just click on any casino in our lists and you’ll be redirected straight to the casino where you can sign up and grab your bonuses. There are dozens of varieties of casino rewards and we decided to round up our top favorites such as Casino Cashback and Loyalty Programs.
It should be noted that all the casinos you find at Slotsoo are top reviewed picks that we´ve independently researched and tested to help you choose the best casinos online. Whether you have any suggestions or general feedback on any of the casinos we’ve listed you´re free to Contact Us or learn more about Our Mission. We’ll be keeping this page up-to-date (which we update monthly) with only the Best Casinos for 2021, so make sure to stay for a while and check back regularly!
Here’s Where to Find the Best Casinos Online
CASINO | OFFER | BENEFITS | RATING | GO TO | |
---|---|---|---|---|---|
![]() | Exclusive: 200% up to €200 Wagering Requirement: 30x | Casino Games & Live Casino 10% cashback everyday Exclusive loyalty rewards | Visit Casino | ||
![]() | 125% up to €125 Wagering Requirement: 40x | Casino, Tv Games & Live Casino Exclusive reload promotions 24/7 customer support | Visit Casino | ||
![]() | Wager-free €25 Risk-free bonus 50 Free Spins i Tower Tumble Wagering Requirement: 0x | 2000+ Casino Games & Live Casino Daily bonus offers & promotions Loyalty rewards & Scatter store | Visit Casino | ||
![]() | 20 Welcome Spins - No Deposit 100% up to €100 Wagering Requirement: 25x | An established brand since 2013 Optimized casino for mobile play Exclusive PlatinClub benefits | Visit Casino | ||
![]() | 100% up to €1000 + 100 Free Spins Wagering Requirement: 40x | Slots & Live Casino Exclusive VIP program 24/7 dedicated support | Visit Casino | ||
![]() | Exclusive Wager Free Package: 250% up to €1000 + 100 Free Spins Wagering Requirement: 0x | 3500+ Games & Live Casino Cashback up to 250€ wager free Exclusive VIP program - 5 levels | Visit Casino | ||
![]() | 100% up to €500 Wagering Requirement: 40x | 1200 + Slots, Live Casino & Sports Exclusive Yonistore Exclusive Yoniclub benefits | Visit Casino | ||
![]() | 100% up to €200 Wagering Requirement: 0x | 3500+ Slot Games & Live Casino Wager free welcome bonus package Unlimited wager free cashback | Visit Casino | ||
![]() | 100% up to €300 + 100 Free Spins Wagering Requirement: 25x | Casino Games & Live Casino Daily bonus offers & promotions Around-the-clock live support | Visit Casino | ||
![]() | Pay & Play Casino Wagering Requirement: 0x | Casino Games & Live Casino Instant registration & withdrawls 10% wager free weekly cashback | Visit Casino | ||
![]() | Pay & Play Casino Wagering Requirement: 0x | 1400+ Casino Games & Live Casino 10% wager free weekly cashback 24/7 customer support | Visit Casino | ||
![]() | 100% up to €100 + 30 Free Spins Wagering Requirement: 40x | Slots & Live Casino Exclusive weekly tournaments Exclusive Bilucky VIP Club | Visit Casino | ||
![]() | 100% up to €150 + 100 Free Spins Wagering Requirement: 40x | Casino Games & Live Casino Exclusive promotions Exclusive Supraplay VIP Club | Visit Casino | ||
![]() | 200% up to €1000 Wagering Requirement: 40x | Slots, Live Casino, & Sportsbetting Weekly tournaments & promotions Exclusive Slottyway mobile app | Visit Casino | ||
![]() | 30 Free Spins Wagering Requirement: 0x | Online Casino launched in 2017 Exclusive Refer a Friend program Player’s Circle loyalty program | Visit Casino |
Best Casino Bonuses 2021
The main focus we have here at Slotsoo is to offer you the absolute best casino bonuses online. When you get a bonus you get more money to play with together with your initial deposit, this increases your chances of winning and allows you to play more for less or simply bet higher and win higher. We’ve made plenty of guides on our pages where we’ve explained just how casino bonuses, Free Spins, bonus money and other no deposit bonuses work. All this so you can feel comfortable in the casino world before going out on adventures for the big jackpots.
2021 has been an amazing casino year so far with many new and hot casinos and we hope that the rest of the year continues in the same tempo. Here you’ll find generous welcome bonuses, unique and innovative campaigns and many new ideas. Many of the old casinos have the same old tendency to offer the same bonuses and campaigns and these new casinos brings in some new fresh air.
Before choosing what online casino you want to play on we recommend that you read our reviews of the casinos where we go through how the site functions, all bonuses and the supply of games they offer. We also list things like withdrawal times, available payment options and campaigns all so that you can make a fair judgement and choose your casino wisely.
Online Casino Games
The slots have really come a long way from the classic fruit slots we had years ago. Today you’ll find that most slots hold a really high standard with amazing and rich graphics, many different features and awesome sound effects. Some of the most popular games that are released today almost feels like computer games where you’re taken on amazing journeys in hundreds of different themes and tons of bonus features.
Today you’ll also find Live Casino with Real Live Dealers to replicate the feeling of being at a real casino, even though you’re sitting home at your computer. Via Live Casino you can play many different table games such as Blackjack, Roulette, Baccarat and more.
Best Casinos Online
If you choose to play on any of the casinos that we’ve listed here we can guarantee that you’ll have a good time. All the casinos we listed offers excellent support, big supply of games, fast transaction times and most importantly, offers a good time. The only thing you need to do is pick a casino from our lists, register, deposit and enjoy the games. You’ll definitely have a good time and who knows that exciting winnings are hiding around the corner.
When you’re done playing you can withdraw your winnings and you’ll usually have them in the bank the next day. Most casinos today has a 24 hour rule where they always process your withdrawals within 24 hours, however, sometimes you might need to verify yourself when making your first withdrawal but this is a fast process and you’ll only need to do it once.

68
Listed Casinos

42.532€
Casino Bonus

8.222
Free Spins
Game Supply at Casinos
The online casinos that we’ve listed here at Slotsoo all have a wide variety of casino games. Most casinos has slots from the popular providers like NetEnt and Microgaming and it’s not at all uncommon that some casinos offer up to 15 different game providers with over 500 slot machines. You’ll find that most casinos have a focus on the slots, but you’ll also find table games, live casino, bingo, scratchers and other exciting games if you feel like switching it up a bit.
Today theres new slots released almost daily with new and innovative features and functions so you definitely won’t run out of things to play, thats one thing we can guarantee. Many of the providers has a main focus, some focuses on releasing slots with an oldschool feeling while others only release very high quality slots with amazing graphics. Check out all the different providers and find the one you like.
Different Casino Bonuses
Casino Bonuses is one of the hottest trends at online casinos today, you’ll find that almost every casino offers one at registration. Playing with a Casino Bonus increases your odds against the casino and raises your chances of winning. Since you get extra money to play with you’ll also get to play longer sessions.
The most common casino bonuses that is offered today is a match bonus of 100% which basically means that the casino doubles your deposit. You’ll also find that alot of casinos offers Free Spins which is basically free rounds at a chosen slot. These casino bonuses often come with a wagering requirement that you’ll have to finish before you can make a withdrawal.
Safety and Security Measures
To feel comfortable and safe when playing casino online is something that is very important since you give away alot of personal information about yourself that you don’t want to get into the wrong hands. This is extra important when it comes to transactions since you’re giving out your credit card numbers, bank info and such and that’s why all serious online casinos today uses SSL encryptions and all transactions are encrypted with atleast 128 bits.
This might be hard to understand for someone who doesn’t know much about computers, but in English it basically means that your money and other sensitive information is as secure as on the biggest online shops and internet banks. Apart from this the casino also has stored the players money on separate bank accounts which aren’t connected to the casino in any way so even if the casino would get hacked they wouldn’t be able to access your money.
Most Popular Games Right Now
GAME | NAME | RTP | MIN - MAX BET | RATING | TRY FOR FREE |
---|---|---|---|---|---|
![]() | Path of Destiny | 95.71% | €0.10 - €40 | Red Tiger Gaming | Free Play |
![]() | Hope Diamond | 96.51% | €0.20 - €500 | Blueprint Gaming | Free Play |
![]() | Cowboys Gold | 96.50% | €0.25 - €100 | Pragmatic Play | Free Play |
![]() | Madame Ink | 96.21% | €0.10 - €100 | Play'n GO | Free Play |
![]() | Chocolates | 96.60% | €0.10 - €20 | Big Time Gaming | Free Play |
![]() | Hammer of Vulcan | 95.81% | €0.10 - €100 | Quickspin | Free Play |
![]() | Leprechaun's Magic Megaways | 96.02% | €0.20 - €40 | Red Tiger Gaming | Free Play |
![]() | La Fiesta | 96.19% | €0.10 - €100 | Relax Gaming | Free Play |
![]() | 5 Families | 95.68% | €0.10 - €500 | Red Tiger Gaming | Free Play |
![]() | Wild O'Clock | 95.69% | €0.10 - €40 | Red Tiger Gaming | Free Play |
![]() | Valley of the Gods 2 | 96.00% | €0.10 - €100 | Yggdrasil | Free Play |
![]() | Reactoonz 2 | 96.20% | €0.20 - €100 | Play'n GO | Free Play |
![]() | Willy's Hot Chillies | 96.00% | €0.20 - €400 | NetEnt | Free Play |
![]() | Hotline 2 | 96.05% | €0.10 - €50 | NetEnt | Free Play |
![]() | Gonzo's Quest Megaways | 95.77% | €0.10 - €40 | NetEnt | Free Play |
![]() | Pyramid King | 96.50% | €0.25 - €125 | Pragmatic Play | Free Play |
![]() | Bounty Raid | 95.71% | €0.10 - €200 | Red Tiger Gaming | Free Play |
![]() | Wild Catch | 96.30% | €0.20 - €20 | Microgaming | Free Play |
![]() | The Dog House Megaways | 96.55% | €0.20 - €100 | Pragmatic Play | Free Play |
![]() | Jackpot Express | 96.20% | €0.20 - €250 | Yggdrasil | Free Play |
![]() | Sticky Bandits: Wild Return | 96.58% | €0.15 - €90 | Quickspin | Free Play |
![]() | Raging Rhino Megaways | 96.18% | €0.20 - €20 | WMS Gaming | Free Play |
![]() | Midas Treasure | 96.59% | €0.080 - €32 | Kalamba Games | Free Play |
![]() | Wild Robo Factory | 96.40% | €0.25 - €125 | Yggdrasil Gaming | Free Play |
![]() | Tome of Madness | 96.59% | €0.10 - €100 | Play'n GO | Free Play |
![]() | Narcos | 96.23% | €0.20 - €400 | NetEnt | Free Play |
![]() | Legacy of Ra Megaways | 96.01% | €0.10 - €10 | Blueprint Gaming | Free Play |
![]() | Moon Princess | 96,50% | €0.20 - €100 | Play’n GO | Free Play |
![]() | Dead or Alive 2 | 96.80% | €0.090 - €18 | NetEnt | Free Play |
![]() | Valletta Megaways | 96.56% | €0.10 - €100 | Blueprint Gaming | Not Available |
![]() | The Final Countdown | 96.56% | €0.20 - €20 | Big Time Gaming | Free Play |
![]() | Tiki Tumble | 96,49% | €0.20 - €100 | Push Gaming | Free Play |
![]() | Reactoonz | 96,51% | €0.20 - €100 | Play’n GO | Free Play |
![]() | Bonanza Megaways | 96,00% | €0.20 - €10 | Big Time Gaming | Free Play |
![]() | Vikings Go To Hell | 96,10% | €0.10 - €125 | Yggdrasil Gaming | Free Play |
![]() | Lucky Ladys Charm Deluxe | 95,13% | €0.20 - €50 | Novomatic | Free Play |
![]() | Flame Busters | 96,10% | €0.10 - €100 | Thunderkick | Free Play |
![]() | Danger High Voltage | 95,67% | €0.20 - €40 | Big Time Gaming | Free Play |
![]() | Book Of Ra Deluxe | 95,10% | €0.20 - €50 | Novomatic | Not Available |
![]() | Fruit Warp | 97,00% | €0.10 - €100 | Thunderkick | Free Play |
![]() | Fat Rabbit | 96,45% | €0.25 - €100 | Push Gaming | Free Play |
Biggest Bonuses Online
As you may know by now a casino bonus is a sort of gift from online casinos which is often given out together with your first deposit or at special campaigns. Many casinos online offers very high bonuses apart from the normal match bonuses which are very popular right now, on some casinos we can see up to 300% or 400% bonuses which triples and quadruples your initial deposit. These type of bonuses obviously comes with harder wagering requirements and rules but if you find a really good and big bonus you should definitely make use of it, some bonuses has extremely high value and your odds against the casino increases by alot.
With a big bonus some people also means bonuses that has a very high roof for how much you can deposit with the bonus, we see for example Slot Planet and 21 Casino which offers a 200% bonus up to 400 Euro. No matter which bonus you prefer you’ll find it all here at Slotsoo.
Different Game Suppliers at Different Casinos
The casino market has developed fast during the last few years and today there are thousands of different games and slots to choose between. Slots as a rule contains four of five wheels and every slot comes with their own sets of themes with unique bonuses, jackpots, functions and such.
Today most game providers has their own nichés and when you start a slot you’ll quickly notice what provider its from. But how come different casinos has different games? This is because slot providers hire out their slots to casinos and that’s why you wont find the same supplies at all casinos. This can be a charm in itself and many players choose the casino they play on after their supply of games.
The big casino sites which have been around for multiple years usually has up to 30 different game providers to choose between which gives their players a big variety of games. If you’re a new player within the casino world we recommend collecting some Free Spins and then try around among the different slots and find your favorites and then pick your casino after that.
Try Free Play at Slotsoo
Free is good is a way of speaking that most people probably agree to and here at Slotsoo we’ve taken this into account and found a ton of different casinos that gives you the best bonuses online. The most common free bonuses you’ll find today is Free Spins aswell as free money which you get right after registration and no deposit is required. The amount of Free Spins and how much money you get varies from casino to casino. It’s usually no big amounts we’re talking about, many casinos gives a small part at registration and then the rest with your first deposit.
Taking part of a casino bonus without deposit and free spins but still succeed to win big amounts of money is a dream for many. Most Free Spins given out by casinos today are on normal slots such as Starburst, Book of Dead and Gonzo’s Quest. Sometimes you can also get spins on jackpots such as Mega Fortune which gives you the chance to millions, completely free.

42
Listed Games

15
Jackpot Slots

11
Table Games
Casino Gambling Licenses
To be allowed to drive an online gambling website you need to have a gambling license. This means that an responsible authority sees over an actor and controls so that it offers safe, fair and responsible gambling. The most common licenses you’ll find today is Malta License, Curacao License and UK Gambling License. There are some smaller ones aswell such as Gibraltar and Alderney which is also very good.
There are many reasons why a gambling license is important on a casino that you plan on playing on. Firstly, it guarantees that the casino keeps your money safe and separate from their own funds. It also guarantees that all information is completely encrypted so that no information can be leaked to third parts. Lastly, the most important of them all, the games are completely fair with real random generators and pays out accordingly to its RTP.
If you’re unsure you should always double check if the casino has a legit license before playing. The easiest way to do this, is to check on the bottom of the casino’s website. That’s usually where they list their licenses together with a link that verifies their license. If a casino doesn’t list their license that’s a really good warning sign to get out of there. It’s most likely a scam casino that is out to get your money.
Are You Playing too Much?
Does it feel like your gambling is getting out of hand? Are you not playing because it’s fun anymore or have you started playing a bit too much? Today the gambling problems is a very serious problem and it’s only getting worse since the casino industry is so popular today. If you think your gambling is starting to become a problem you can always turn to GamCare’s National Gambling Helpline. This is completely free and they have no relations to any gambling companies.
For someone who has a gambling problem the games are no longer a pleasure and instead their entire surroundings are related to gambling and different ways to get hold of money to keep gambling. You often deny that gambling has become a problem and can for a long time try to hide your problems, both for yourself and others. To get around your problems you chase wins and such to finance your gambling habits or to pay off debts. If you feel like any of this fits the description we strongly recommend seeking help before its too late. A gambling problem doesn’t just destroy for yourself but for people in your surroundings as well, especially if you have a family and kids.
If You Have any Questions
Here at Slotsoo we’re working hard daily to offer our customers the best bonuses on just the click of a button, we negotiate new and exclusive deals so that you’ll get as good offers as possible. We also test new casinos and list the ones that hold up to our strict criteria so that you can feel completely safe when choosing a casino from us.
If you have any questions you can always Contact Us and we’ll try to help you as best as we can!