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Gamblers love slot machines for their simplicity. In just one spin of the reels, you could win huge sums of money just for playing your favorite game. Online slot machine follow the same rules as the slots you find in casinos.
Nowadays, online slots come with all kinds of bonuses that could make your payouts even larger. Bonus features like free spins, expanding wilds, and scatters can lead to substantially higher winnings. Whether you’re new to the game or need a refresher course, we’ve explained the most common slot bonus features so you can play with ease.

Free Spins

Ok, so free spins seem pretty self-explanatory. Free spins means you don’t have to risk your money, but you can still reap the rewards. Keep in mind that on slot machines, certain bonus symbols or bonus games will award a lot of free spins at once. In the better games, you can win 10 or more free spins all at once. The best part about it is that you get to keep your winnings.


As one of the best slot bonuses, multipliers will multiply your winnings by the amount. You may see multipliers like 2x, 3x, 4x, 5x, and up. How does it work? Let’s say you win 20 coins on a payout with a multiplier of 4x. That means you actually win 4×20 equalling a total of 80 coins!


You’ll find wild symbols in almost every online slot machine. Wild symbols usually substitute for all symbols except other bonus symbols. Wilds increase your chances of landing on a matching payline because they will substitute for any other symbol. You’ll come across other kinds of wilds such as expanding wilds or stacked wilds that expand across a reel or stack up on a reel turning the entire reel wild. As you can guess, this symbol can really pay off.


Scatters are a special bonus feature that have all kinds of different rewards. Often times, when 3 or more scatter symbols appear anywhere on the reels, they trigger bonuses like multipliers (as we mentioned above). They may also give you access to bonus games that give you a better chance of winning or give a chance to reveal hidden symbols for prizes.

Double up or Gamble Round

Sometimes slot machines give you the chance to double or quadruple your winnings in what’s known as a gamble round or double up round. Depending on the game, you will usually see a stack of cards facing down. You can double your wager by trying to guess the color of the card or quadruple your payout by guessing the suit. If you guess wrong, you lose the payout. However, if you guess correctly, you walk away with a lot more than you started with!

Playing slot machines has all kinds of rewards, but you can get even bigger payouts with slot bonuses. Knowing how they work makes the game more interesting. With a little luck, you could get even more money on a big payout by landing on wilds or scatters. Meanwhile, other bonus features like double ups or multipliers could increase your winnings exponentially. Either way, online slot bonuses are some of the best features in online gaming.
By Casinokiwi Team
The CasinoKiwi editorial team has written and reviewed this article to ensure it is free from misleading or inaccurate information. The opinions expressed here are solely those of the CasinoKiwi team. If you feel there is more to add to this article, please feel free to contact us.

  • Published date: 2019-12-30 06:01
  • Modified date: 2020-01-19 12:25