With so many internet-based casinos to choose from, why settle for anything less than the best?

The 100 best online casinos stand out above the rest of the pack, offering a safer, more extensive, and thrilling casino gaming session.

If you are not convinced of where to begin your internet betting experience, let our online casino guide help you.

On this casino page, you will find information relating to the top 100 best online casinos, as well as our list of safe online casinos that you can sign up to.

You can always go it alone, but why bother when you are guaranteed safety, security, and fair play with our chosen instant play casino sites?

Top Online Casinos [2021] - Updated List

Rank

Casino

Sign Up Bonus

Safe & Trusted

Rating

Get Started

1
Up to €1000
Yes
Rating 9.99 out of 10
2
100% up to €500 + 200 Free Spins
Yes
Rating 9.95 out of 10
3
100% up to €400
Yes
Rating 9.92 out of 10
4
100% Up To €300
Yes
Rating 9.90 out of 10
5
Up to €3500 + 100 Free Spins
Yes
Rating 9.81 out of 10
6
Up to €350 + 50 Free Spins
Yes
Rating 9.72 out of 10
7
Up to €200 + 200 Free Spins
Yes
Rating 9.63 out of 10
8
Up To €1300 + 250 Free Spins
Yes
Rating 9.54 out of 10
9
Up to €600 + 100 Free Spins
Yes
Rating 9.45 out of 10
10
100% up to €500 + 100 Bonus Spins
Yes
Rating 9.40 out of 10
11
100% up to €500 + 250 Free Spins
Yes
Rating 9.35 out of 10
12
100% up to €500 + 200 Free Spins
Yes
Rating 9.33 out of 10
13
100% up to €500 + 200 Free Spins
Yes
Rating 9.30 out of 10
14
100% up to €500 + 200 Free Spins
Yes
Rating 9.25 out of 10
15
Up to €1750 + 290 Free Spins
Yes
Rating 9.20 out of 10
16
Up to €1000 + 10 Free Spins
Yes
Rating 9.15 out of 10
17
Up to €300 + 150 Free Spins
Yes
Rating 9.10 out of 10
18
Up to €800 + 75 Free Spins
Yes
Rating 9.07 out of 10
19
€10 No Deposit Bonus
Yes
Rating 9.05 out of 10
20
100% up to €1000
Yes
Rating 9.04 out of 10
21
Up to €1500 + 150 Free Spins
Yes
Rating 9.03 out of 10
22
100% UP TO €1000 + FLEXIBLE SPINS WORTH UP TO €50
Yes
Rating 9.02 out of 10
23
Up to €2000 + 200 Free Spins
Yes
Rating 9.01 out of 10
24
Up to €2000 + 30 Free Spins
Yes
Rating 8.99 out of 10
25
Up to €15000 + 500 Free Spins
Yes
Rating 8.98 out of 10
26
Up to €300 + 160 Free Spins
Yes
Rating 8.97 out of 10
27
Up to €200 + 20 Free Spins
Yes
Rating 8.96 out of 10
28
Spin the Mega Reel to win up to 500 Free Spins
Yes
Rating 8.95 out of 10
29
125% up to €1000
Yes
Rating 8.92 out of 10
30
120% up to €1200
Yes
Rating 8.91 out of 10
31
150% up to €1000
Yes
Rating 8.90 out of 10
32
100% up to €500 + 200 Free Spins
Yes
Rating 8.89 out of 10
33
Get 50 Free Spins
Yes
Rating 8.88 out of 10
34
N/A
Yes
Rating 8.87 out of 10
35
Up to €250 + 210 Free Spins
Yes
Rating 8.86 out of 10
36
100% up to €200 + 100 Free Spins
Yes
Rating 8.85 out of 10
37
100% up to €250 + 100 Free Spins
Yes
Rating 8.84 out of 10
38
Up to €300 + 120 Free Spins
Yes
Rating 8.83 out of 10
39
Up to €425
Yes
Rating 8.82 out of 10
40
Up to $1500 + 300 Free Spins
Yes
Rating 8.81 out of 10
41
Up to 500 Free Spins on Starburst
Yes
Rating 8.80 out of 10
42
200% up to €1500 + 60 Free Spins
Yes
Rating 8.79 out of 10
43
Up to €400 + 100 Free Spins
Yes
Rating 8.78 out of 10
44
Up to €600 + 100 Real Money Spins
Yes
Rating 8.77 out of 10
45
100% up to €50 + 110 Free Spins
Yes
Rating 8.76 out of 10
46
Up to €2000 + 200 Free Spins
Yes
Rating 8.75 out of 10
47
Up to €400 + 20 Free Spins
Yes
Rating 8.74 out of 10
48
100% up to €300
Yes
Rating 8.72 out of 10
49
Up to £100 + 100 spins on Starburst
Yes
Rating 8.71 out of 10
50
100% up to €200 + 20 Free Spins
Yes
Rating 8.70 out of 10
51
100% up to €150 + 100 Free Spins
Yes
Rating 8.69 out of 10
52
Up to $400 + 150 Free Spins
Yes
Rating 8.68 out of 10
53
Up to €100 + 20 Free Spins
Yes
Rating 8.67 out of 10
54
Up to €500 + 77 Free Spins
Yes
Rating 8.66 out of 10
55
Up to €600 + 20 Real Money Free Spins
Yes
Rating 8.65 out of 10
56
Up to €800 + 100 Free Spins
Yes
Rating 8.64 out of 10
57
Up to €500 + 100 Free Spins
Yes
Rating 8.63 out of 10
58
Up to €1000 + 100 Free Spins
Yes
Rating 8.62 out of 10
59
Up to €200 + 50 Free Spins
Yes
Rating 8.61 out of 10
60
Up to €1700 + 60 Free Spins
Yes
Rating 8.60 out of 10
61
Up to €1800 + 100 Free Spins
Yes
Rating 8.59 out of 10
62
Up to €300 + 200 Free Spins
Yes
Rating 8.57 out of 10
63
Up to €400 + 20 Free Spins
Yes
Rating 8.56 out of 10
64
100% up to €200
Yes
Rating 8.55 out of 10
65
150% up to €1500 + 50 Free Spins
Yes
Rating 8.54 out of 10
66
Up to €200 + 100 Free Spins
Yes
Rating 8.53 out of 10
67
100% up to €250
Yes
Rating 8.53 out of 10
68
100% up to 5 BTC
Yes
Rating 8.51 out of 10
69
100% up to €250
Yes
Rating 8.50 out of 10

The best 100 casinos you can play at in 2021

There is no shortage of places you can join online. Finding a safe and trusted casino online may not be as easy as it seems. Our guide on “why is online gambling more dangerous than casino gambling?” presents you the problems you may encounter while online gambling while also giving you some helping tips.  However, the top 100 online casinos all offer you a vastly better experience than many of their counterparts.

You are guaranteed to be playing at legit online casinos for starters. Below you will find a sample of some of the top 100 online casinos UK players can join today…

Cobra Casino
Rating 9.35 out of 10
cobracasino small logo
Launched in 2020, this multilingual casino offers instant play casino and mobile casino gaming to players across Europe. The casino also features software from over forty software developers.
Get bonus
Zet Casino
Rating 9.30 out of 10
zetcasino logo small
Zet Casino has a few years of experience behind it, and excels at catering to players across the world. The casino’s library of games numbers over 1,000 different titles.
Get bonus
Fezbet
Rating 9.25 out of 10
Licensed out of Curacao, Fezbet Casino is one of several sites run by Araxio Development. It offers sports betting as well as online casino games from the likes of NetEnt, Yggdrasil, Iron Dog and more.
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PlayAmo
Rating 9.10 out of 10
playamo small logo
A renowned and secure casino, PlayAmo has been active since 2016. This Curacao licensed casino has a global audience and is famous for its mobile platform.
Get bonus
Casino-Z
Rating 9.03 out of 10
casino-z small logo
This casino caters to more players across the globe than arguably any other site. It features games from fifty-plus developers and is notable for its speedy transaction times.
Get bonus
SlotV
Rating 9.02 out of 10
slotv small logo
SlotV Casino is renowned for its high withdrawal limits, and its responsible gaming tools. A fair and friendly online casino, it is licensed out of Malta and has been around since 2017.
Get bonus
Campeonbet
Rating 8.92 out of 10
campeonbet small logo
A notable sportsbook as well as the casino, Campeonbet has a stellar range of 2,000+ games from the big dogs of the business. The multilingual casino is ideal for lovers of NetEnt, Evolution, and Play ‘n Go games.
Get bonus
Powbet Casino
Enjoy the sensational bonuses and promotions to give a boost to your gaming balance at Powbet Casino.

Welcome Bonus: 100% up to €500 + 200 Free Spins

  • min. deposit: €20

What to look for in top casino sites

As well as introducing you to online casinos in the top 100 list, we can also enrich your online casino experience by telling you what to look for in the best online casino websites on the net.

All the top internet casinos will carry the features listed below. The benchmark is set high, and this is what we like to see in our trusted casinos:

Licensing and safety

Our casinos are regulated, and security is of paramount importance. They should be licensed, offer responsible gaming, and have a good reputation within the casino industry.

Welcome bonuses

Top casinos will always offer the best casino welcome bonus. Moreover, there will also be other offers, possibly even an online casino VIP program for you to join.

Easy sign-up processes

We don’t like to be kept waiting, and neither will you. We only focus on casinos that have an easy (and fast) sign-up process, so you can start playing almost immediately.

Great games for all

Our top 100 casinos feature a superb selection of the best online slots from many different providers. However, they should also carry online casino games which include table titles, live dealer games, video poker, instant wins and much more besides.

Friendly payment methods

Making an online casino payment should be a doddle. This can be made easier if a casino offers the best casino payment methods, suitable for all. All of our recommended casinos fulfill these criteria.

The overall experience

Of course, it is no good excelling in one of these areas. We need to ensure that the whole package is decent. With that in mind, any casinos we recommend will excel in all the fields above.

What can the best 100 online casinos offer me in 2021?

There are many casinos out there for you to choose from. Any of the top 100 online casinos in the USA (or elsewhere) that we recommend must fulfill the strict criteria listed above.

However, they may also provide other nifty features. These can give a casino the edge on others in the market. Such features can include:

  • Mobile gameplay
  • Cryptocurrency acceptance
  • Sports betting and live casino games
  • Free customer support around the clock
  • Speedy withdrawal times which are free from fees

How to play at the 100 best online casinos in four steps today

As mentioned, we like to see a fast, easy and simplified sign-up process at the top 100 online casino sites. We’re sure that you feel the same way.

How do you get started from here, though? Follow these four elementary steps, and you will be up and running in no time at all:

Step 1
Head to our casino review page right here to get started in 2021
Step 2
Filter our variety of reviews by your country of residence
Step 3
Select one of our popular and trusted casinos, and check out our casino reviews
Step 4
If you like what you see, register to start playing

Top types of casinos you can play at

The top 100 casinos we cover can offer a distinct gaming experience. There are differences between the 100 US online casinos and our UK selection, for instance. Here are some of the different types of casinos we cover at our site:

  • Best Online Casinos That Payout
  • Pay n Play Casinos

    Also known as Trustly casinos, these sites typically allow you to deposit via a “Bank ID” system, and promote ultra-fast withdrawals.

    Pay n Play Casino
  • Legit Online Casinos
  • No verification casinos

    With no verification casino sites, you can expect to cash out your winnings speedily, without going through the KYC (know your customer) process. These are also ideal sites for those living in countries where gambling online is illegal.

    No Verification Casino
  • Mobile Casino
  • Mobile casinos

    All modern operators provide mobile casino games. Mobile casino sites not only offers those but also provides dedicated apps and downloadable software for you to play on the go.

    Mobile Casino List
  • New Online Casinos
  • New online casinos

    Top new casino sites don’t just feature the latest games; they also carry exclusive (and often sizable) welcome bonuses and they aim to build up a fanbase.

    Top New Casino

Get started depositing at top online casinos today

As mentioned, our recommended casinos will feature a variety of payment methods you can use. This should make them user-friendly to players across the globe, as there will always be something you can use to deposit at a casino.

Here are a few of the payment methods commonly associated with the 100 best online casinos you can find at our site:

  • VISA, MasterCard, Maestro and VISA Electron/Debit: A typical MasterCard casino or VISA casino site will not just accept credit cards; they will also accept debit options such as Maestro, VISA Electron/Debit. American Express may be accepted in some instances, too.
  • Skrill, Neteller, PayPal: If you are based in the UK, then a legit online casino PayPal site could be the way to go. For players living in countries where PayPal is not accepted as a payment method, you can always play at a Skrill casino or Neteller online casinos. These e-wallets are popular across the world, and Skrill excels at offering gambling-related payment services.
  • Trustly: Trustly is the perfect option if you don’t want to hand over your bank details to a casino. Trustly casinos process deposits instantly and withdrawals via Trustly are also completed promptly.
  • Paysafecard: There are many top online casinos that accept Paysafecard. This is the most secure payment method out there, as you just need to enter a voucher code to deposit. Unfortunately, Paysafecard cannot be used for withdrawals.
  • Cryptocurrencies: Many top casinos now accept cryptocurrencies, too. A wealth of the best Bitcoin casinos can be found online. Cryptocurrency casinos are ideal for those players who like their anonymity and super-fast transaction times. Other crypto casinos would include: Dogecoin casino sites (offering top Dogecoin slots), Litecoin casino sites, Ethereum casino sites and many more.

Others: A few of the “other” payment methods you can find at the top 100 best casinos include EcoPayz, bank transfers, AstroPay and you can even find Euteller casinos online.

Pros and Cons of playing at the 100 Best online casinos

There are both perks and pitfalls to playing at the 100 best online casinos. The downsides are minimal, and the perks are substantial enough to make choosing these sites worthwhile. Even so, this is what you can expect…

PROS
  • The top 100 casinos are amongst the most trusted casinos online
  • The best 100 casinos frequently carry games from many software providers
  • Fair bonuses and promotions are guaranteed
  • They often support around the clock support
CONS
  • They may be geo-blocked in countries where gambling online is forbidden

Frequently Asked Questions about top 100 online casinos:

Casino players with lingering questions may find what they are looking for in our brief FAQ (frequently asked questions) guide on the top 100 casinos online. Let’s begin…

Yes. Any of the sites featuring in our top 100 online casino list have been checked, verified and tested to ensure that they qualify for our seal of approval.
Yes. Even if one of our recommended casinos doesn’t have a dedicated mobile app, you can still play via the web browser on your smartphone or tablet at our sites.
Almost certainly. While it is not a prerequisite to featuring on our list, almost all of the top 100 online gambling sites we cover will offer both free and real money games.
This varies from site to site. What we can say is that our top 100 casinos feature games from so many different providers that we can guarantee that you will find some of the best paying slots and table games at those domains.
Again, this varies from site to site. All our chosen casinos must feature fair and reasonable online casino bonuses. A good number of these domains also carry no deposit bonus offers.

Get started with the top 100 online casinos today!

Now that you know a bit about the 100 best online casinos, perhaps it is time to try playing at one? You can get started in seconds. Just head to our casino reviews page and select your country to view the 100 best online casinos list based on where you live.

Our reviews are impartial and go through each casino in-depth. Once you’ve found something which fits the bill, head on over there via the link provided in each review to sign up and start playing today.