Slot machine bonus rounds are popular among most players not just because they offer an opportunity to win reasonable amounts, but also because they help break the monotony of repetitive spinning.

The adrenaline rush of triggering the bonus round will keep you playing a slot machine with repeat bonus rounds for longer which otherwise you would have grown bored of.

More so, you don’t have to place an extra wager during the bonus round.

Top 10 Online Casinos where you can play slot machines with bonus rounds [2020]

Rank

Casino

Sign Up Bonus

Games with Bonus Rounds

Rating

Get Started

1
100% up to €500 + 250 Free Spins
Yes
Rating 9.99 out of 10
2
Up to €300 + 150 Free Spins
Yes
Rating 9.98 out of 10
3
Up to €1500 + 150 Free Spins
Yes
Rating 9.97 out of 10
4
100% up to 500 EUR + 200 Free Spins
Yes
Rating 9.96 out of 10
5
100% up to €1000
Yes
Rating 9.96 out of 10
6
100% up to €500 + 200 Free Spins
Yes
Rating 9.96 out of 10
7
Up to €1500 + 100 Free Spins
Yes
Rating 9.95 out of 10
8
100% up to $200 + 50 Free Spins
Yes
Rating 9.93 out of 10
9
Up to €2000 + 200 Free Spins
Yes
Rating 9.92 out of 10
10
100% up to 200 USD + 20 Free Spins
Yes
Rating 9.6 out of 10

What are bonus rounds and how different are they from extra games?

Different video slots come with variations of the bonus rounds and in some slots, they are referred to as extra rounds or extra games. Ideally, slot machine games online free bonus rounds are triggered when you land a particular combination of features which could either be wild or scatter symbols.

Most popular slot games will require to you to land 3, 4, or 5 symbols on an active payline to activate the bonus round. There are other real money no deposit slots that will have exclusive requirements such as collecting dedicated symbols.

To understand the requirement of the game, you can start by playing free online slot machine games with bonus rounds before proceeding to real money slots.

Popular types of bonus rounds

As earlier mentioned, free video slot machine games with bonus rounds come with various variation and the bonus rounds offered by 3 reel slots will not be the same as that offered by 5 reel slots. Nevertheless, famous slot machines bonus rounds include;

🎰 Free spins

Free spins are among the best slot machine bonus rounds in progressive slots, high stakes slots, as well as free online slots.  Every game has different ways of triggering the free spins feature, but in most cases, you have to land 3 or more bonus feature which could either be a wild or scatter symbol. However, the information about how this feature is triggered is available in the paytable section of the game.

🔄 Re-spin

The re-spin feature is another bonus feature that is similar to the free spin feature and is offered in most popular slots with slot machine bonus rounds.  The main difference to the free spins feature is the fact that with the re-spin, you can only get one extra bonus round while as the free spins could go up to 100 free rounds.

🎲 Gamble feature

The gamble feature is also common in slot machine games with bonus rounds where after a winning round, players have the option to either keep the winnings or take a gamble on the amount won. During this bonus round, you get to choose a symbol from a set of two or four and a correct guess will double or quadruple your prize.

⏳ Instant win

This is a highly rewarding bonus round where you are awarded instant cash prizes when you land a special symbol. Most slots offer this bonus feature when you land 3 or more scatter symbols.

🔍 Pathway game

Casino slot games with bonus rounds and that offer this kind of round are rewarded in a more systematic manner where you are required to progressively complete every level with the prizes increasing with every stake.

Are there any changes that happen to a slot machine during the bonus rounds?

There are no significant changes that happen to a slot machine when a bonus round is triggered, but the main difference is seen where some pay better than others.

It is also worth mentioning that some games can be disappointing since they don’t pay as much as they claim to. But looking for a rational point, casinos use these bonus features to attract more players, and the idea behind every slot machine games with bonus rounds is to make sure that the ratio of wins to losses is optimal to help keep you motivated.

During the bonus round, there will be mostly flashing lights and triggering sounds which are all designed to get you excited.

Do slot machine games with bonus rounds really pay or is it just an illusion?

Alert

As mentioned above, the flashing lights and triggering sounds during the bonus round are all designed to create some sort of “illusion” and to get you excited while in the real sense, the bonus feature doesn’t pay anything significant.

Here some secrets associated with slot machine multiple bonus rounds that most players don’t know.

Sometimes the free games are designed using a different set of reels

Most of the time, the reel strips used for the base game are different from those used during the bonus round, and this is the reason why it is often hard to hit a certain winning combination during the free bonus round.

More free games don’t mean larger bonus wins

Free online slots with bonus rounds that occur frequently are designed in such a way that the winning combinations do not happen as often. Ideally, a game with slot machine bonus rounds offering 10 free spins can be designed to offer the same average win as a bonus game with 100 free spins.

Are there any tricks to help activate the bonus rounds?

Tip

There are no tricks to activate the bonus round since free casino slots with bonus rounds have varying requirements. However, the most common way to trigger the bonus round includes:

Landing Wild or Scatter Symbols

The wild and the scatter symbols are the most common special symbols that are used to trigger the bonus round in popular slots. You will be required to land these bonus features in a combination of 3, 4, or 5 in a payline.

The wild symbol can either be a stacked wild, a sticky wild, or an expanding wild.  When either of these symbols appears on the reels, they will replace all other symbols apart from the scatter symbol to form winning combinations.

Top 5 slot machine online slots with bonus rounds

  • Cleopatra

This is among the best bonus slots powered by IGT. As expected with most IGT slots, this 20 line slot is known for its high payouts. You can trigger a free spins bonus where you can land up to 15 free spins and a 3x multiplier.

  • Zeus

Zeus stands out from other Williams Interactive slots since it allows players to win up to 100 free spins

  • Buffalo

Powered by Aristocrat, Buffalo is among the best payout slots offering up to 1024 ways to win. During the bonus round, you will not only be awarded free spins but also a mega multiplier of up to 27x.

  • The Walking Dead

Developed by Aristocrat, The Walking Dead is a 6 reel slot machine that gives you a chance to win free games and a mega $500,000 jackpot.

  • Book of Ra

The Book of Ra is powered by Novomatic and is a jackpot game and features a bonus round that is packed with expanding symbols which help boost your winnings.

Playing slot machine with bonus rounds for free vs. real money

As a beginner or if you are trying new slot machine bonus rounds, it is important to start with the free version. With free casino slots no download bonus rounds you do not need to make any deposit or download the game.

This demo version allows you to pre-determine how much you can expect to win during the bonus rounds. Any winnings obtained during the bonus round cannot be withdrawn. However, with the real money slot machine bonus rounds 2020, you are guaranteed payout withdrawal.

To play for real money, you need to make a deposit. You can fund your account using cryptocurrencies or any other accepted currency. You will also have a wide range of payment methods, and there are several UK slots sites that take Paypal and other e-wallets such as Skrill and Neteller.

It is also important to check the review of the casino and the slot game before settling. The wagering requirement, the slot’s RTP, and your bankroll are other factors you should consider before playing slot machine bonus rounds with real money.

5 best new 2020 slots with bonus rounds

  • Game of Thrones

Game of Thrones is one of the new slots from Microgaming, and it comes with 5 bonus features.  There is also a scatter bonus feature that supports random cash prizes.

  • Mystery Museum

Mystery Museum from Push gaming is set to be released in August 2020 and is said to be among the best free slot machine games with bonus rounds. The slot features a Power Gamble feature with up to 50x multipliers.

  • Irish Pot Luck

Powered by NetEnt, Irish Pot Luck offers in-game free spins which you can unlock when you land 3 or more Rainbow scatter symbols on the reels. You can also land up to 15x multipliers.

  • Artemis Vs Medusa

Artemis Vs Medusa is one of the latest slot machine two bonus rounds game featuring 2 bonus features; the Monster Bounty Coins and the unlimited battle free spins feature.

  • Dog House Megaways

Developed by Pragmatic Play, Dog House Megaways has sticky wilds free spins feature which awards you up to 7 sticky wilds on each reel and raining wild free spins feature where you can get up to 6 raining wilds on each free spin.

Which developers are known to offer slot games with bonus rounds?

Almost all developers acknowledge the importance of bonus features, especially bonus rounds in online video slots. Here is a list of developers and their bonus games:

  • IGTIGT slots with bonus rounds include Golden Goddess, Siberian Storm, Family Guy, Cluedo Classic, and Sherlock Homes.
  • NetEnt– Top NetEnt slots with bonus rounds include Jimi Hendrix, Divine Fortune, and Hall of Gods
  • Playtech– Top Playtech slots with bonus rounds include The Matrix, American Dad, and Wacky Waters.
  • Aristocrat– Top Aristocrat slots with bonus rounds include Mr Cashman, Queen of the Nile, and Big Ben.
  • Novomatic: Best Novomatic slots with bonus rounds include Book of Ra Deluxe, From Dusk Till Dawn, Lucky Lady’s Charm Deluxe.

Pros and cons of slots with bonus rounds

PROS
  • They are highly entertaining, and they break the monotony of spinning the reels
  • They offer an opportunity to earn more
  • Some reward progressive jackpots which could be life-changing amounts
  • During the bonus round, you are not required to place a bet; thus, there are no worries of losing
CONS
  • They are not as rewarding as we perceive them to be
  • Creating winning combinations during the bonus round can be harder than during the base game.

Frequently Asked Questions about Slot machine bonus rounds:

No, they are not pre-determined since the results of slot machine bonus rounds are generated by a Random Number Generator (RNG).
Absolutely. Most online slots are compatible with mobile devices, and the HTML5 technology allows you to have a seamless experience when playing mobile slots on your smartphone or tablet.
Free casino slots with bonus rounds are recommended for beginners and conventional players who are looking to have fun with no risk. However, in terms of payout, real money slots are the best since you get to keep the winnings obtained from the bonus rounds
Two of the most popular video slots with bonus rounds are Book of Ra and Starburst. Book of Ra has a 95.5% RTP and Starburst has a 96.1% RTP.

Are slot machine bonus rounds worth the hype?

Slot machine bonus rounds are worth the hype since they are not only rewarding, but they are designed to break the monotony of spinning the reels.

Almost all online video slots offer these bonuses, and the best thing about playing slot machine games with bonus rounds is the fact that there are no payments required thus, you don’t have to worry about losing. Online casinos give you the option to either play for free or for real money.