This is undoubtedly one of the features of top casinos, standing out as one of the best casino bonuses. Free spins are not necessarily identified with cash rewards, but the results are the same. It gives players the chance to keep playing but without using their own money to do so. Free spins are used only in the slot games. Some requirements and wagers have to be met before players start collecting free spins. Some casinos requirements will vary with others. But whatever a player might win while on a free spin will be wagered to a certain amount of times before they will be able to collect.