Slot machines are the main product in the world of online gambling, the demand for which is increasing exponentially. As practice shows, free online slots with bonuses are the most popular, as they offer a more entertaining gameplay and even higher chances for winning large cash prizes. If you want to know what slot machines have to offer, you should first pay attention to the built-in bonuses such as free spins, themed game rounds, cascading reels and much more. We are here to help you find the best free online slot machines with bonus games that are worth the attention of every gambling enthusiast.

Top Best Bonus Features You Can Find in Slots

There are many slots offering bonus features listed below:

  1. FS (free games). Having become the most popular, this bonus is one of the most promising as it allows you to make several spins without financial investment. So, collect Scatters to launch the most potential lucrative slot bonus.
  2. Additional payout multipliers. There are many free online slots with bonuses offering additional multipliers with which you can get bigger prizes for spins (game rounds).
  3. Arcade games launched in a separate game window. A great source of both entertainment and income, these bonuses are popular with many spinners.
  4. Various features of the Wild. There are many free online slots with bonuses offering different variations of Wild features – Expanding, Shifting, Walking and so on – all designed to improve your winning chances.
  5. Cascading reels. This is a new technology in which the reels are not spinning – instead, symbols fall from the top. The advantage is that after the winning combination has been formed, its symbols will explode and new ones will appear in their places to give you the opportunity to form another combination.

As the gambling industry develops, slot manufacturers are coming up with more and more new bonus features that impress with their spectacle and potential profitability.

Best Slot Machines Featuring Bonuses

We have picked several slots with built-in bonus features that are most popular among gamblers:

  • Rocky is a slot offering two unique bonus features including x5 extra multiplier.
  • Game of Thrones offers amazing free spins bonus round.
  • Pink Panther offers not only a unique bonus but also the opportunity to win a progressive jackpot, which makes it an amazing game.
  • Pharaoh’s Fortune with its awesome arcade 2-level bonus game might be your top choice among free online slots with bonuses.
  • Irish Riches is a title including Megaways, a promising feature that significantly increases the number of paylines in slots.

Now, that you are familiar with the main bonus features, you can hardly pass by free online slots with bonuses – experiment to find the best option that will make you a winner.