Revolut is available in over 35 countries, including the United Kingdom, most of Europe, the United States, Australia, and Canada. However, availability may vary by region and certain features may not be available in all countries. Players should check the Revolut website to see if their country is supported and what features are available. In addition, some online casinos may restrict access to players from certain countries, so players should check the casino's terms and conditions before signing up.