Ace of Slots

Our Editorial Guidelines

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15+ Years Experience

in the iGaming Industry

100+ TESTS

of the most reputable Online Casinos

800+ SUCCESSFUL MATCHES

between players and Online Casinos

How we review online casinos

BestWe believe that playing in online casinos should be fun and easy. Choosing to play with a brand should be as easy as entering a respected pizza shop and choosing between a Quattro Formaggi and a Hawaian. If you like pineapple on your pizza you pick one, if you like cheese you pick the other. You shouldn’t have to worry whether the cook knows how to make one, whether the staff cleans the plates or whether the building will collapse on you.

That’s where we come in, we want to make sure that your only worry is to pick the type of online casino you want. We take a look at all the boring, but essential stuff so you don’t have to. And then, we aim to present it in an easy to digest way.

In our years of experience we learned what the pain points are for most players. Some are well known, like withdrawal times and conditions. Others are more hidden because players accept some arguments at face value and are not aware of their rights (confiscations, for example). And some are just things that we usually think about only after we deposit (like bonus conditions).

Here at AOS, we evaluate a brand based on its offering. Does it have the games we’ve come to expect? Does it cater to its audience and provide the most popular games? Does it give access to the most popular payment methods? We also assess online casinos based on how free of headaches the interaction with them is. Do they have obtuse explanations? Are their terms and conditions hidden? How about mentions of unfair practices? 

Top 3 Best Online Casinos in 2021

top 5 number 1 online casino
Top 5 PlayOJO online casino

50 Spins on Book of Dead

T&C’s apply

♥ Clear Terms and Conditions

Read Review

top 5 number 2 online casino
Paradise Casino desktop logo

125% Bonus up to 100€/$

75% Bonus up to 100€/$ & more

T&C’s apply

♥ Generous maximum withdrawal times

4.5 stars rating

Read Review

top 5 number 3 online casino
Masked Singer desktop logo

1 YEAR OF FREE SPINS WITH £50

T&C’s apply

♥ Great game filtering

3.5 stars rating

Read Review

50 FREE Spins on Book of Dead

♥ Clear Terms and Conditions

          Read Review

125% bonus up to 100€/$

75% bonus up to 100€/$ & more

♥ Generous maximum withdrawal times

          Read Review

1 Year of Free Spins with £50

♥ Great game filtering

          Read Review

♠ How do we rate online casinos?

If you’re looking to find out a glance whether we think an online casino has good potential or not you should check the rating we gave it:

  • 4.5 – 5 stars – We think these are good casinos to check out and will probably cater to most players. If there are any issues they’re pretty small in the grand scheme of things and you’ll likely have a good time there.
  • 3.5 – 4 stars – These casinos likely cater to an audience and have at least one major aspect that doesn’t make them generally fun for everyone involved. For example, everything might be right (game offering, payment terms), but the promotion terms might be very restrictive. As long as you accept the downside, there is fun to be had.
  • 2.5 – 3 stars – Brands that have these rankings usually have average features. Usually, the terms and conditions open players up to having headaches in case a situation isn’t very clear. It’s likely you’ll have fun playing here if you stick to a basic gameplay pattern. We would play here if we just wanted to deposit and play a few rounds of Book of Dead or a few hands of Blackjack.
  • 1.5 – 2 stars – Casinos in this category are not recommended. The restrictions are severe and there is a high risk of encountering issues while playing here: usually either with bonuses or withdrawals. We wouldn’t play here.
  • <1.5 star – We don’t expect to have too many brands in this category since we don’t plan on spending too much time reviewing brands that are not going to be good for you. Treat them as sporting a big red “Stay Away!” sign.

Or check our selection of Top Casinos to:

Or check our selection of Top Casinos to: