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How We Review Online Slots and Online Casinos

Updated: 29.05.2024

On this page, you'll find information about our principles and approach when working on all the reviews you see on the site, which help ensure all Slotsjudge pages are unbiased, honest, and relevant.

Purpose of Our Reviews

Slotsjudge is an informative platform dedicated to varied gambling topics. Here, existing and potential players can find objective casino and slot reviews based on our research and experience. We follow a strict editorial policy to keep our reviews fair, up-to-date, transparent, factual, and accurate in terms of all the details which may influence the experience of our readers. This approach makes the gambling industry transparent, and our readers can trust Slotsjudge as an expert guide.

Our Comprehensive Review Criteria

When evaluating casinos or games we display at Slotsjudge, we don't just pick random sites and add them to our rating. Our approach is more complex and professional. The core principles guiding our work are research, fairness, and relevance.
  • Licensing, Regulation, and Fairness

    Licensing, Regulation, and Fairness

    We always pay attention to all the details surrounding safety. Our reviews cover licensing, security tools like Anti Money Laundering (AML) and SSL encryptions, reputation, feedback or complaints from players, and other details that guarantee the player's safety. Additionally, we request a withdrawal to make sure that the casino provides fair payouts.

    Our expert adds a few words in this regard:

    ‘Besides basic things like licensing and RNG certificates, we consider regulations of each area where an online casino operates, which allows our readers to legally play on all the sites we overview’.

  • Security Measures

    Security Measures

    We contact the operator directly to check these details and explore the site’s licensing logo and T&Cs to get more details about the company. The approach to safer gambling is another critical element we factor in. When exploring the site, we examine the range of responsible gambling tools and look for links to independent organisations to help players.
  • Game Variety and Software Quality

    Game Variety and Software Quality

    By checking the software range, we check the number of games, their types, filters, and features. Additionally, we pay attention to the providers behind the games. These brands should always harbour internationally renowned licenses from governing bodies such as the United Kingdom Gambling Commission (UKGC) and certificates from gambling laboratories.

    That’s what our expert adds:

    ‘It’s not surprising when today, you see an online casino powered by 50+ providers, which translates into 3,000+ games. That’s why we go one step ahead and focus on details like convenient filters and special promotions for certain games’.

  • Bonuses and Promotions

    Bonuses and Promotions

    We like bonuses a lot, so it's another aspect we are very attentive to. Still, we notice that some offers look more attractive than they actually are in real life. That’s why we don't promote expired offers and don’t recommend bonuses with too detailed playthrough requirements.

    We also cover the following details:

    • The bonus amount and whether it's divided into several parts.
    • The percentage of a match offer and the number of free spins.
    • Wagering requirements and the max bet while wagering.
    • The period when the offer is active and when it expires.
    • The maximum bonus cashout players can withdraw from the bonus.
  • Banking and Payment Security

    Banking and Payment Security

    Our experts believe that casinos should have diversified payment methods to meet the needs of players from different regions. We check the transaction speed, especially for cashouts, fees, and limits. The more flexible the options and limits, the better the operator treats its customers, and the easier it will be for our readers to transfer real money and make transactions of different amounts.
  • Customer Support

    Customer Support

    Besides the different ways to get in touch, which is also important, our experts check how efficiently the team works. We contact customer support to find out how helpful they are when players have non-typical questions or face specific issues. During this test, we evaluate the answer itself and the time taken to get the response. The presence of a special FAQ section and a customer support widget always in view are also essential factors for our evaluation.

Red Flags and Blacklisting Criteria

Unfortunately, not all operators are equally good, and we can say from experience that visiting non-reliable sites may cause trouble with slow withdrawals or even data leaks. That’s why we mention blacklisted online casinos as well and highlight the red flags players should consider to avoid scammers.

What Leads to a Casino Being Blacklisted?

Here at Slotsjudge, we have strict standards to reveal safe online gambling sites, and when an operator doesn’t miss this criteria, we don’t recommend it. However, there are some red flags which show that it may be even dangerous to play on a certain site:

  • Hidden or controversial T&Cs: when you see that one rule of the T&Cs is against the other one or you can’t find essential details on the site, it’s a bad sign.
  • Many obstacles for withdrawals: it’s also bad when you face a high deposit turnover requirement or see that the minimum withdrawal limit is too high.
  • False advertising: banners with bonuses which don’t exceed or other promises which are against the casino’s terms show that the operator can’t be trusted.
  • Rigged games: if you notice that the operator has non-original games or software from unknown authors, it’s better to avoid sites of this kind.

‘I am sure that players should not only access ratings of the best online casinos but also learn about the signs which show that the site can’t be trusted. Thus, it’s easy to avoid scammers even when checking the site without expert help.’

Continuous Monitoring and Updating

Monitoring and Updating

We never stop exploring the market and considering all the latest trends and releases. Moreover, we don’t miss all the changes at online casinos we overview. Thus, our reviews are always updated to let you play the latest games and get information about only actual bonuses.

Ongoing Review Process

To keep our reviews accurate, we not only make them informative but also regularly check whether conditions of any kind have changed. If a bonus has been updated or the number of games changed, we are here to update this detail in our review and add a corresponding sign.

Role of Community Feedback

When working on each review, we check the feedback from players on independent sources, including complaints and positive reviews. This allows us to get the most relevant information about a certain game or site since such comments from players display their real experience and show how operators react to the complaints if any.

Expert Opinions

Our research is always based on the opinion of real players, experts in the iGaming industry, and the key people working with the software we overview. This influences our own standards and the upcoming trends in the market.

Insights from Industry Professionals

Our experience shows that everyone involved in the gambling industry is working on the best solutions to improve the market, and we consider all these insights for our research. The motto of Pragmatic Play is ‘We never give up and are determined to be the best at what we do’, and Magnus Olsson, Chief Commercial Officer for Play’n GO, said ‘We are determined to be the number one casino gaming supplier in every regulated market in the world’ describing the fact that the provider received a license for one more jurisdiction. All these things show that the market is evolving, and our Slotsjudge team is happy to be a part of this process.


Our Slotsjudge team is happy to improve the gambling industry with our truthful reviews and keep it as safe and accessible as possible. That’s why we’ll continue improving our procedure of evaluating the best online slots and casinos, considering the latest trends, our readers’ preferences, and all the tools and details to provide the safest experience out there.


How often do you update your reviews?

We keep our reviews up-to-date, and the time of this update depends on the changes on the casino’s site. Once the bonus or any other details change, we immediately learn about it and fix the review accordingly.

What should I do if I have a bad experience with a casino you recommended?

You can get in touch with our Slotsjudge team and describe your case, providing as much information, including a screenshot, as possible. We’ll do our best to help you solve this issue by contacting the operator ourselves.
Aleksandra Andrishak
Aleksandra Andrishak
Expert in: News, Blog
Slotsjudge's Editor-in-Chief Aleksandra Andrishak bridges the gap between slot providers and players by providing up-to-date information on the latest releases and industry news. With her vast iGaming knowledge, she offers valuable insights and analysis to help readers make informed decisions about their gameplay. Aleksandra is also an international speaker attending major global Gaming conferences, like Judging at CasinoBeats Game Developer Awards 2024, where she makes new connections with providers and industry experts to gather the latest updates on online slots.