All such offers are subject to specific terms and conditions. Firstly, you will have to choose only from a limited set of available games. Secondly, the casino will require you to follow the wagering rules. They may be quite different - for example, you should win a certain amount from a single attempt or you have to increase the sum of your bonus several times to get the opportunity to transform it into cash. Therefore, before you start using bonuses, read these conditions so that you know when you can withdraw money.