Hottest offers bonus

Free Slot Machines with Bonus Rounds (Games)

ratingratingratingratingrating(14 gamblers voted) | Make your vote count!

bonus rounds slots

Bonus rounds have become an essential feature of free slot machines. Isn’t it just great to receive a surprise, a beneficial reward for something you do? When you play free online slots with bonus games, the only problem you might have is the things with the “unexpected” part – you’ll be expecting to get a bonus with every spin you make! But once you get a little lucky and your bonus round starts, you’ll see it’s worth waiting for.

A bonus game or round (the names may differ, but the idea is always the same) unlocks during the regular gameplay after you have spun in a specific combination of symbols on your reels. Check out the game’s paytable to see the winning combos for your current game.

Play Online Free Slots with Bonus Rounds

Free Online Slots With Bonus Rounds

In this review, our SlotsUp team has added the top 10 free casino slot games with bonus rounds and no download. They have incredible bonus rounds that will help you get not only new experience but also generous payouts, considering the high RTP and promising options. So, let’s delve into the details!

Top-10 Free Slot Machines with Bonus Rounds Developer RTP Maximum Win Volatility
Hot Safari Pragmatic Play 96.17% 100,000x Low
House of Fun BetSoft 95% 63,220x High
Dinopolis Push Gaming 96% 50,000x High
Madder Scientist BetSoft 95% 32,825x Medium
Jammin Jars Push Gaming 97% 20,000x High
Mega Fortune NetEnt 96% 10,000x Low
Ocean Magic IGT 96% 3,000x Medium
Gonzo’s Quest NetEnt 96% 2,500x Medium
Immortal Romance Microgaming 96.86% 1,500x Medium
Blood Suckers NetEnt 98% 900x Low

Hot Safari Pragmatic 1
Read Review
  • RTP: 96.17%
  • Paylines: 25
  • Min-Max bet: 0.25 - 125

It’s one of the free slot machine games with bonus rounds released in 2016, and to this day, it never ceases to amaze as it has an excellent RTP of 96.17% and low-medium volatility. You will spin the reels on a 5x3 pattern with 25 paylines. Also, on the right side of the reel, you will find random multipliers of up to 10x which can be added to your winnings. It’s one of the free slots games with bonus rounds where you can also activate a super re-spin, which will add Wilds to every reel. If you find Scatters, you will open a round with free spins and access the unlimited re-trigger.


House Of Fun Betsoft 1
Read Review
  • RTP: 94.96%
  • Paylines: 30
  • Min-Max bet: 0.02 - 150

House of Fun is a popular slot that was released back in 2011 and has cool gameplay, so we add it to free slots with no download with bonus rounds. You will receive a 5x3 scheme with 30 lines, and you can bet on each one. In order to get a win, you need to collect from 3 to 5 identical symbols from left to right on active lines. It deserves to be among free slots with bonus rounds since it features Jackbox, a game with free spins, Mad Hatter based on collecting rewards, and Door Knocker, a bonus game where you need to help the heroes escape.


Dinopolis Push Gaming 2
Read Review
  • RTP: 96.40%
  • Paylines: 576
  • Min-Max bet: 0.1 - 100

Dinopolis is one of the free online slots with bonus rounds and progressive bonus mechanics. In the game, you can collect special coins that can bring you up to 100x, and thanks to them, you can get achievements in the round with spins. When you collect Scatters, you will unlock a card game where you can get multipliers, expanding multiplier symbols, and extra spins. Just in the bonus game, thanks to coins, you can increase the level and play a card game. As a result, it’s one of the online free slot machines with bonus rounds with a generous potential of up to 5,000x.


Madder Scientist Betsoft
Read Review
  • RTP: 95.18%
  • Paylines: 30
  • Min-Max bet: 0.02 - 150

Madder Scientist is a cool science-themed slot that was released back in 2011. Due to the fact that the game allows you to do a re-spin for each reel, Madder Scientist was considered one of the top online slots games for free with bonus rounds. The game has 30 lines that can be adjusted with a bet range from $0.2 to $150. The machine also has pick bonuses, special Wild, and bonus rounds with free spins. Payouts are credited from left to right on the lines if you collect from 3 to 5 identical symbols.


Jammin Jars Push Gaming
Read Review
  • RTP: 96.83%
  • Paylines: Cluster Pays
  • Min-Max bet: 0.2 - 100

Jammin Jars is the most popular slot from Push Gaming as it has incredible graphics and hot bonuses. It’s one of those free slot games online with bonus rounds like cascading mechanics and a cluster payout system. The return on the slot is as follows: an RTP of 96.83% and high volatility. The bonuses in this slot are amazing; you’ll enjoy a Wild symbol with a multiplier that activates a re-spin and moves down one position. This will continue until all Wilds disappear from view. In the free spins bonus game, you will get sticky Wilds and Mega symbols. The free spins round has a generous potential of up to 20,000x.


Mega Fortune Netent 1
Read Review
  • RTP: 96%
  • Paylines: 20
  • Min-Max bet: 0.01 - 50

Mega Fortune is a luxurious slot with an RTP of 96% and low volatility. This game has a standard 5x3 layout with 25 fixed lines. It may look like a more classic slot, but it actually has jackpots and potential of up to 80,000x. It’s one of those slot games online for free with a bonus round when you collect Scatters to open a round with free spins and a 5x multiplier, which is very cool. The bets per spin range from $0.25 to $50, plus, you can activate auto play with any range.


Ocean Magic Igt 2
Read Review
  • RTP: 96.07%
  • Paylines: 50
  • Min-Max bet: 0.5 - 100

Ocean Magic is a slot that classic gamblers love since this game came online from land-based casinos with free slots 7777 vibes. This machine can be found in many land-based casinos. In the slot, you will get a 5x3 scheme with 50 lines and an RTP of 96%. Our tests show that it’s one of free online slot games with bonus rounds to suit everyone. For example, Wild Bubble turns random symbols into Wilds. Magic symbols, after the explosion, turn all surrounding symbols Wild. As for Ocean Magic, you need to collect three or more treasure chest symbols to receive a round with free spins and additional features.


Gonzos Quest Netent 1
Read Review
  • RTP: 95.97%
  • Paylines: 20
  • Min-Max bet: 0.40 - 100

Meet the hit among free slot games with bonus rounds and no download. Probably, everyone has played this hit, since in this slot, we will get the Avalanche feature. Thanks to this feature, gamblers can remove winning symbols to get new ones, plus players will have access to a multiplier of up to 5x. Also, if you collect Scatters, you will open a round with free spins and an increased multiplier of up to 15x. Gonzo’s Quest was one of the first free online bonus game slots to give gamblers the legendary Avalanche feature with progressive multipliers. The slot has excellent animation and excellent potential of up to 3,750x.


Immortal Romance Microgaming 2
Read Review
  • RTP: 96.86%
  • Paylines: 243
  • Min-Max bet: 0.30 - 6

Immortal Romance is one of the hottest free online slot machines with bonus rounds that all gamblers adore. It features a full-fledged plot where you will meet 4 heroes, and each of them has unique bonus abilities. For example, Amber – 10 FS and 5x all wins. Troy – 15 FS with the Vampire Bats feature which turns the symbols into 2x and 3x multipliers if you catch 2 of them. Michael – 20 FS with Rolling Reels and consecutive wins will increase the multiplier from 2x to 5x. Sarah – 25 FS with Wild Vine feature. Wild Vine will randomly turn other symbols into Wilds.


Blood Suckers Netent
Read Review
  • RTP: 98%
  • Paylines: 25
  • Min-Max bet: 0.01 - 50

Free no download slots with bonus rounds don’t end here. Blood Suckers is a cool horror-themed game from NetEnt with atmospheric bonuses. For example, you may find yourself in a cemetery filled with coffins. You can choose which coffins to open, and if there is a vampire there, they are killed immediately. For every one you kill, you get money, and if you choose an empty chest, the game will end. It’s one of the free online games slots with a bonus built around free spins where you can get a potential of up to 900x.


On SlotsUp.com, you can find the list of best online slots with bonus rounds, thoughtfully completed by our team. And we add new games as soon as they appear! We offer you to play free slots with bonus games with no download and no registration. You browse our gallery, pick the games that are most appealing to you, and start playing. It’s the best option for those who would like to get a little practice before risking their precious coins in real online casinos.
Slots With Bonus Rounds
Modern free slots bonus rounds are special offers that can appear and be activated during the game. They help gamblers minimize their risks and help win money. Where to find them and how to deal with them? This is relatively easy because there are complete instructions on Using this function correctly to be always in the black.

Unfortunately, the game often becomes too monotonous and boring, so it is crucial to learn to use free slots with bonuses correctly to win money and diversify your game and add a little adrenaline to it. Usually, the bonus round can be an additional game with spins, where the gambler gets some kind of winnings or other bonuses. Both are very good because all this can be applied to compete for the biggest win.

Bonus rounds can be either part of the main game or held separately from it to use additional reels, wild symbols, and scatters. This perspective makes free online slots with bonuses desirable and attractive because playing in the game is very interesting and profitable.


Leading Slot Developers Featuring Exciting Bonus Rounds
Among casino slots with bonuses, several providers provide the most top slots. These casinos offer great perks and rewards that will delight any gambler.
BetSoft
(489 games)
The Madder Scientist – A unique slot with free spins, compatibility with mobile devices, and interesting gameplay. Incredibly neat and stylish graphics, high probability of winning, RTP about 95%
Microgaming
(645 games)
Immortal Romance – A stylish and intriguing slot with lively graphics and an RTP of about 96%. This game is distinguished not only by its high quality but also by good bonuses that provide a stable and decent win.
Red Tiger Gaming
(379 games)
Sumo Spins – The slot has excellent banking options, a lot of great deals, a stylish design, and a user-friendly interface.
Pragmatic Play
(646 games)
Hot Safari – A bright-themed slot with a large supply of bonuses for players. Excellent gameplay, maximum ease of use, and excellent winning prospects.
NetEnt
(630 games)
Blood Suckers – A very mystical and gloomy slot with original graphics and 25 paylines. Images of vampires act as symbols, very stylish and exciting.

Play Free Slots With Bonuses from Any Device You Like

The recent development of free casino slot games online is that old slot machines no longer fit Windows desktops. The software will now be available for Macs. You can also play free slots online on smartphones with different operating system options. What’s an excellent way to play free slots online? Gaming is now available on tablets and interactive television. Want to try to play free casino slot games online with a computer? Don’t be disappointed. It turns out that free online slot machines look better when they have big screens! At SlotsUp, you will get an excellent gaming experience regardless of what online slot machine you choose.

The Various Types of Slot Machine Bonus Rounds

All slots with bonus games can be conditionally divided into several groups, depending on what type of bonus is present in the game. For example, Free spins retrigger are the most common option; free spins are available in the Slot game, which allows you to win additional prizes or real money (free spins of choice as well). Click me is also a widespread feature in online casino games with bonuses. Their essence is to click on the symbols or items that appear that add something to your winnings, be it money or multipliers. Combos are winning combinations when a large number of characters appear at once. This can be considered a great success. Arcade-Style Features This is a wholly new and improved level of bonuses, where a kind of play in the game takes place.

This is more suitable for advanced gamblers, but it will also be a valuable experience for beginners. Multi-Level Bonus Rounds allow you to experience a new gambling experience in the game, get additional bonuses and prizes, and increase your winnings. A risk game is a way to double your winnings if you have a successful spin. Hold n ‘Spin is another bonus that also provides benefits, including cash or other prizes. Spin the Wheel Bonus/Spinning Wheel/Bonus wheel. This is a range of extras that Best prices offer, including jackpots and winnings summation.

This is a trendy type of slot machine bonus rounds. Pick Your Bonus is a suitable type of bonus that increases the player’s potential and gives them additional advantages in the game. Pick a Box is a chance to choose between several prizes, which will be added to the player’s balance. And finally, Bonus Meter and Instant prize are lovely bonuses that allow you to receive bonus spins and other pleasant prizes.

Bonus Meter In Reactoonz 2 Slot

Each of these slots is a unique product that can be compared with others based on bonus rounds and other traits that are valuable indicators in gambling. Of course, all of them are of very high quality because they are produced by the world’s most reliable providers of slot machines.

Tips on Activating Lucrative Slots Bonuses
To activate slot machine bonus wins, you need to place certain symbols within the slot, but first, you need to define them. In each slot, such signs will have a different look; it depends on the slot’s theme.

However, they are often marked with the words “bonus” or “scatter,” so it will be easier for you to recognize them and use them to your advantage. Activating bonuses is a straightforward and intuitive process, especially if you already have experience with bonuses; there will be no problems. The activation of the bonus slot will open the doors for you to the world of a real casino with real bets for real money.

It would be best if you didn’t believe the popular myths about casinos because gambling has long entered a new stage of development and has nothing to do with a dark past.

Today, with the help of bonuses, you can win an amount several times higher than your stake. This is great, and only it is essential to use a convenient opportunity competently and choose the best slots with the most favorable options for you.

Unleashing Bonus Rounds in Slot Machines Like a Pro

Almost every online casino or another platform where free slots can be played without downloads can enable them. Place 3 scatters anywhere on the reel. The employees are not restricted to paylines – anywhere is fine too. There’sThere’s an icon that activates this attribute called “bonus symbol”. It looks different depending on the title, but you must get three or more reels. You can try Free Slot games without download and without registration to understand the bonuses offered in each free slot game. When you decide to play with real money, they can give you an idea.

How Free Slots Play Enhances Your Skills for Increased Wins

Using free slot games for fun allows the user to understand that particular casino slot better. However, slot games involve unexpected results and have different ways of earning. They also offer other bonus games, multiple combinations of symbols, and various prizes. Once you play slots online free of charge, you will be familiar with your favorite machines and their payout rates. You’ll see that slot games with bonuses pay better. Some casinos offer minor jackpots yearly, and other casinos sometimes offer bigger prizes than expected. You will see which is the best: big win, small win.

The Added Value of Bonus Features in Free Slot Games

Free online slots with bonus games are definitely more exciting to play for free with a lot more chances to win. The slot would seem clear to everyone, with no prizes despite our choices being simple. It wasn’t all. They enrich themselves, enabling players to choose multiple results using the symbol combination.

New Slots with Bonus Rounds

New slot machines are available as the separate round structure that are much more profitable and have higher earnings. The Berry Bursting pokie is NetEnt’s newest fruit machine that has been developed. The game was popular at the online casinos offering many excellent premium functions. Added sequences include a second award type with a cluster pay-function and expansion wild spin-respin.

Tips and Tricks for Efficiently Accessing Free Spin Features

First, it is essential to know that activating online slots free spins is possible only from the device on which you will play. If you choose to play on a PC, the activated free spins will not appear on your mobile device in the same casino. There are some reasons why free spins cannot be activated. Find out if the casino you choose is not banned in your country.
Sometimes providers have a specific list of countries where slots cannot be opened, even more so to use bonuses. The activation process is straightforward. To do this, it is desirable first to read the game’s rules and get bonuses to make everything clear. So, to get free spins, it is necessary:

  1. Find a suitable casino that offers its customers a good bonus range and numerous free spins.
  2. Register with the casino.
  3. Make a deposit and start making spins.
  4. Wait until you have three or more bonus symbols, activating additional spins.
  5. Learn which symbols are the most desirable; they are called scatters. The more scatters you get, the more chances you have to win real money.

Also, free spins are often a welcome bonus at registration, so do not miss your chance.

Secrets to Obtaining Free Spins in Slot Games for Free

The scatter symbols are the most popular methods of earning free spins when you play free slot games. Scatter symbols pay you even if the reel is not on any payline and if it does get there on any of those free casino slot games reels. The scatter symbols on nearly all free slot machines award prizes. There are usually five free spins in a scatter game, fifteen free spins for 4 scatters, and so on. Naturally, the fixed sum will also depend on the online casino game. Most free slot games offer higher multipliers for free spins.

How Free Spins in Slot Games Can Retrigger

The best way to win more money in the game is to make a retriggering, which involves restarting the round of free spins. The gambler gets access to a new round of bonus spins during retriggering. This allows for doubling the number of winnings without betting or losing money. As a rule, this process takes place in a classic way; you have to get certain symbols that activate this option for you.

Many providers limit the number of free spins during the round. The retriggering feature is not available in all slots, so it is better to find out in advance if the casino offers you such a beneficial opportunity. Some of the most popular slots with available re-spins are Bikini Party, Dragon Dance, Wild Orient, Jade Butterfly, and others. In these, re-spins are paid, but there is usually no fixed price because the peculiarities of a particular game determine it.

Free Slot Games and Their Unique Free Spins

Today, casinos offer their customers free slot machine games with free spins and bonus options, which are great motivators for gamblers. There are several types of free spins, which are the most common.

Best Free Slot Machine Gonzo’s Quest
Highest RTP in Slots 97%
Maximum Win for Free Slot Machines 37,500x
Top-Volatility for Free Slot Machines High
  • Variable Free Spins are offered by many modern slot providers to give as many free spins in a round as possible. A large number of scatters in the game is always a good sign for the gambler because it is a direct way to win real money. The most successful provider in the form of these spins is Microgaming.
  • As for Multipliers, it is a precious feature of slot machines that allows you to multiply your winnings by a specific amount. They can not only double or triple the winnings but also increase it many times so much that the gambler will get just a considerable amount. Unfortunately, free slot machines with multiple free spins no download in the products of some providers, but if this feature is so important to you, you should look for a slot where it is available.
  • There is a type such as The Second Screen, in which free spins occur on another screen, not where the main game is. This makes it possible to expand significantly the bonus offers’ potential, introduce new features, and add exciting bonus symbols.
  • Slot game providers also offer Choice of Spins, a unique choice between the number of spins and the number of multipliers. Typically, in this case, a large multiplier amount will equal a small number of spins or vice versa. The gambler has to choose and decide what will be more profitable in this or that game situation. Where to find exciting bonuses?
  • Of course, take advantage of the Pick ’em Bonus option, which offers you a little game in which you can win free spins. It’s much more exciting than just getting them automatically when you sign up because it’s all up to you and your luck.

Thus, it should be said that these types of slots free spins make the game more exciting and varied and significantly increase the chances of a successful outcome and a big win. This is the most effective way to encourage gamblers to stay motivated and involved in the game.

The Best Slot Machines Featuring Free Spins Galore

Different people prefer different casino slots and bonus features, which is why today, in the gambling industry, there is such an abundance of themed games for every taste. Numerous free slots with bonus spins are released annually and conquer the most famous sites. Let us look at the most popular and creative slots that have received much attention from the audience.

Slot`s Name Provider Features Description
Anhk of Anubis Play`N GO Approximately 576 winning combinations are available
Scatters trigger up to 10 free spins
Additional free spins are not limited in number
Stylish graphics
User-friendly interface
This is a slot in the theme of ancient Egyptian mythology. It offers excellent bonus spins, and the game is fascinating and impressive.
Tower of Fortuna Betsoft There are wild symbols, free spins, and multipliers Engaging gameplay with creative features and elements. Excellent bright graphics and maximum ease of use.
Solar Temple Playson Demo version available.
There are free spins, progressive multipliers, and sticky wilds.
A game in the style of the Aztec civilization. The slot is characterized by brightness, the background is a tropical jungle, and the special symbols are represented in the form of a brightly glowing sun. The game is as convenient and exciting as possible, with many excellent bonuses.
Money Moose Booming Games There are wild symbols.
Scatters are available.
There is a free spins feature.
The autoplay option is present.
This slot has a high winning potential and has a fascinating game process. Innovative elements bring unique features not only in graphics but also in the functionality of the slot, making it more attractive to gamers. This is a perfect game for animal and nature lovers.
Gorilla Kingdom NetEnt Free spins available
RTP, about 96%
Bonus offers
Great slot with live graphics and the opportunity to increase your winnings with free spins and multiple bonuses. Creative design, thematic symbols, dynamic game.
Stay Frosty Betsoft Free spins available
There are scatter symbols
There are wild symbols
100 betways
An exciting game with premium graphics, multiple opportunities to increase winnings by using free spins, optimal betting limits, and enjoyable gameplay.
Avalon Microgaming Free Spins Feature
There are bonus rounds
There are scatters and wild symbols
Modern graphics in the form of bright and well-designed images, attention to detail, and maximum ease of use have made this slot so popular.

Free Spins FAQs

How to find new slots with bonus rounds?

If you want to find new slots with bonus rounds, you can first go to the official websites of the most famous online casino games providers. Usually, new items appear there regularly, and you can simply search for slots on the Internet, read reviews of other gamblers, or just go to any of the famous casinos. Just before starting the game, you need to make sure that the slot really offers you enough bonus options.

Are online slots with bonus games better than regular slots?

In some ways, they are really better because getting additional bonuses in the money game is very valuable and can be a decisive factor. Of course, regular slots can also offer some extras and very high-quality and exciting games. Still, in gambling, you also need to think about profit and how not to lose your money, so you should take a closer look at slots with bonus rounds.

What is the difference between slot features and slots bonus round?

The difference is that the bonus round is a series of offers provided by the provider during the game in a particular slot. In contrast, bonus features are specific features, somewhat detailed. For example, a bonus feature scatters or wilds.

How does an online slot bonus game work?

Such a game works like any other slot. First, you need to launch it and then start making spins. The whole process is quite simple; you just need to make spins, get more bonuses, and win money. Bonus rounds are there to maximize your chances of winning. This is not always a free feature, but it is vital and valuable if a series of problems suddenly arise.

What slot machines have the best bonuses?

This question is difficult enough to answer, but choosing slots from trusted manufacturers with a good reputation is recommended. It is also essential to evaluate the characteristics of the slot and understand what bonus offers it has that could help you win big money. Of course, the choice is very individual; you can build on any factor here.

Are free spins a good feature for gamblers?

Yes, of course, because they allow you to win real money without risk.

Why are online slots with free spins better?

Thanks to them, you can significantly increase the winnings and get extra bonuses.

How does an online slot work?

Online slot works as a simple game; the gambler registers on the site and then proceeds to the game, where they need to do spins to get combinations of symbols.

What is the difference between the free spins feature and the free spins casino bonus?

Bonuses can be different, including deposit bonuses, and free spins are always about the opportunity to do more in the game to get closer to winning.

Is it a trick to get more free spins in a game?

Yes, you can activate the free spins; each slot offers different options, some need to play the game, and some just need to press a special button. In any case, you can find a way to activate and get much more out of the game and enjoy it.

Divya Gandotra

A versatile content developer with a passion for crafting engaging and informative pieces across various domains. With a background in writing and a keen eye for detail, I specialize in creating content that captivates readers and leaves a lasting impression.