Since the government of USA prohibits gambling for usa people, many online casino sites leave usa market. But now there are still huge sites that provide free online casinos for usa players. Actually it is hard to separate between casinos and usa itself since this has been a part of usa lifestyle. Free casinos are actually for any players that have not been ready to invest their money to play for real. They tend to keep practicing until they feel enough and ready to invest their money for making cash or lost their cash. To start playing free casinos, you can download casino software or play it online in flash game. There are many sites offer playing casinos for free with best payouts and huge bonuses. You would better to find the best online casinos and start with it. During playing, you should read their online guide. This is a critical part before your jump into the games. There are some casino sites offering you with different currencies such as euro, pound and CAD. This shows that playing casino is not only of usa players but also for people from over the worlds. They also provide currency conversion when you can see how much money you have got in your local currency.