Online casinos give players free slots promotions when registering a real account. The free online slots bonuses do not require a deposit to collect the promotion but some of the casinos do require a bit of a purchase for security reasons before a cash outs can be processed. When choosing a free online slots bonus you might consider which one will work best for you. Example some of the giveaways only allow one hour to play, this can be stopped and continued but they many only give you a day or so to play. We have listed some of the top free slots bonuses online, so enjoy.