Many developers online gambling offer slot machines in their ability to do not only basic but also additional bets, activating various bonus features. Typically, this option allows you to significantly increase the theoretical return of video slots, so it makes sense to always use it. But sometimes it is nothing more than a publicity stunt designed to captivate a user and force him to bet larger amounts.

Observers portal prepared for you a review article about the different kinds of bonus rates in models of well-known manufacturers. It will help you to choose the most worthy suggestions.

Please note that some types of additional bets are branded and are available in several models. Others are found in single video slots and do not even have a unique name. First, we consider the development of the first category, and then briefly discuss the most interesting games of the second group.

So first of bonus rates implemented in a series of slot machines. Xtra Win by Playtech This feature is available in models such as Wings of Gold or Dolphin’s Cash from the company Playtech. Activating the bonus bet Xtra Win, you’ll have to bet fifty percent more loans. The coefficients of payments on conventional combinations will remain unchanged. However, the Wild symbol will expand. Every time when they will be provided anywhere on the screen, they will fill the entire column from top to bottom. Then they will perform the usual duties for this item.

In addition, when an enabled Xtra Win winnings Scatter is calculated on the basis of the new total bet. This is one of the novelties of “PlayTech,” so surely it will be implemented in the other video slots of the brand. SuperBet from NextGen Gaming This kind of additional rates for a long time found in slot machines by NextGen Gaming. As an example, such popular names as Foxin ‘Wins Again or A While on the Nile. Usually it is also associated with a symbol Wild.

By activating bet you get more expanding “wild” images, as well as additional factors that will take part in the formation of combinations. Please note that the particular rules for this option are slightly different in individual models, so carefully study the reference section before the game. For example, in some slots, it gives the right to participate in the Free Spins. Play Online slots Big Event and certain other developments “Backrest.” It is available in two versions, differing amounts. In the first case, the bonus rate involves an additional factor that is taken into account when calculating the payment. The second type includes prize features a free-spins, special symbols, and bonus payments. Bonus Bet from Cryptologic similar function developers known company implemented several machines based on the comic book (eg, Batman or Flash: Velocity), and also in some other slots .

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