This feature is implemented in the vast majority of modern video slots of all software developers for online gambling and producers of equipment for land-based casinos.
Free Spins – free spins on the slot machine, taking place on casino money.
Bet and number of active lines during free spins always remain the same as in the last paid round.
Often during the free spins are increased odds, additional multipliers, special features of different symbols and another prize.
Free spins are actively used in bonus programs online casino. For example, they can be included in invitation packages for beginners. Usually, winnings from free spins cannot be immediately withdrawn from the account. They need to be previously played under the terms of the wager.