No deposit online casinos are the best option for playing online prior to deciding whether or not you wish to make a purchase. This in itself allows users to test out all the games within the casino in order to decide if the casino works for them. Well I should not say all the games as there is some restrictions when playing at no deposit casino sites. You are not allowed to wager on skill games, which means games that require some thinking instead of just pure luck. So blackjack would be excluded in most cases, however there is many games you can play and once you are done wagering the no deposit bonus you can go on to play other types of casino games.
If you are a gambler who only like games requiring skills then you might find it more useful to go for the deposit bonuses as you have more leeway on what you are allowed to play but for the average player the slots are perfectly fine and a choice that most people enjoy
Things you should know about no deposit casinos is that you have to wager the money per instructions, meaning betting it a specific amount of times of course you can go over this but not under. There might be a few restrictions on cash out amounts, meaning that if you were to hit thousands the bonus may only allow a maximum of 100 that is allowed to be won. Yes that one kind of sucks but is common when the online casinos give away money. If you do not like the rules, then your best option is to simply purchase credits so you can withdraw all your winnings. There is always catches when you get something for free, nothing is ever that good where you are going to get rich but you can make a bit if you play it right.