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Best Free Online Slots with Bonuses – In 2019, the number of slot games that provide great bonus levels are quite a few. We have decided to sit down and pore over those free online slots that you can rightly call the best ones to offer a bonus game on top of all other things.

There have been quite a few choices, but we have managed to narrow down to the absolutely best ones that will keep you busy and winning for hours. Ready to examine the best free online slots with bonuses? So are we. Let’s get cracking. 

1. Game of Thrones

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Game of Thrones Slot

The popular TV series have inspired their iGaming offshoot and who better to bring the complex world of Game of Thrones to life other than Microgaming. If you are looking for a way to join the world of Lannister, Stark, Targarten and Westerton, the Game of Thrones slot is just the way to do it.

The political power-brokering on the TV screen is re-imagined in the online slot title with various bonuses and perks bestowed upon the player depending on their allegiance. Pick a house and “fight” for your family’s honour while amassing a fair bit of winnings along the way.

So far as bonuses go, Game of Thrones is indeed one of the titles that promises significant returns. You can win as much as 1,000x your original stake which is a brilliant offer for those who are daring enough to bounce at this opportunity.   

2. Castle Builder

castle builder slot
Castle Builder Slot

Have you heard of Rabcat? They are studio that thinks outside the box and the Castle Builder slot just goes to show how far the boundaries of iGaming can be pushed. Nobody is really entirely satisfied with having to press the “Spin” button all day long.

This is where Castle Builder slot’s flair for innovation shines. Forget about linear iGaming experiences, with Castle Builder you can build your own fortress and grow it into the capital of you future empire. Similar to a real time strategy, you will be collecting precious minerals, including gold, silver, and bronze, and the more you accumulate, the better your payouts will be. 

You can even find websites that will grant you free spin bonuses to make sure that you are off to a flying start with your empire. The game itself offers multiple in-game objectives and quests that will yield specific rewards upon successful completion. 

For those among you who enjoy real time strategies, Castle Builder slot will be one of the most rewarding experiences iGaming has to offer in 2019.

3. Dragon’s Myth

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Dragon’s Myth Slot

Dragon’s Myth is the next big title by Rabcat. The studio is still only now gaining popularity, but you can rest assured that the games that it has to offer are spot on in every sense of the word.

Dragon’s Myth is of course no exception. Pleasantly animated with tons of bonus features and spins, this saga of mythical creatures is definitely a slot to appreciate.

There are four specific dragon symbols that will allow you to experience various levels of entertainment. The fiery spins and the Dragon Bonus levels both promise to provide you with generous rewards and you will also be allowed to have a full control over your bankroll.

Adjust the bet size as you see fit and never stake more than you want to.
Dragon’s Myth has an outstanding soundtrack that will definitely help you immerse yourself in the gameplay.

Plus, the active part of the interface matches the background perfectly, creating exciting and fulfilling gaming opportunities.

4. Avalon II

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Avalon II Slot

Speaking of bonus levels, Microgaming’s Avalon II is indeed a title that you will want to explore at your own. The studio have styled their slot as an adventure game, which means that you will have quite a bit of choice to make while playing.

Avalon II world is big and that’s why you will need the in-game map to be able to fully comprehend its immensity. Thankfully, you needn’t worry about much when it comes to Avalon, because the levels are not confusing in the slightest and even those among you who haven’t played the first part, will have no trouble understanding the action. 

Speaking of the bonus features, there is quite a bit to consider. Forget about your ultimate quest of finding the “Holy Grail”. There are loads of levels to play in-between, including the “Lake of Legends,” “Misty Vale,” “Dusky Moors,” “Forest Falls,” “Whispering Wilds,” “Morgan’s Keep,” “Hall of Shadows,” and the “Isle of Avalon”. 

It’s fair to safe that so far as free online slots with bonuses go, Avalon really tops the chart. Plus, there are 243 ways to win and you will always have a complete control over your bankroll. 

5. Tower Quest

tower quest slot
Tower Quest Slot

Our next suggestion has been crafted by Play’n Go, a studio that truly spares no effort in establishing iGaming dominance.

All Play’n Go games share a fantastic design and great audio, but the most outstanding feature here remains the cool bonus levels you can pick from. 

Tower Quest is another adventure-styled online slots game that allows you to accumulate specific points that will give you access to the Tower where a vile mage lives.

You can enter the Tower as a warrior of light or a warrior of darkness, but regardless of what fate has in store for you, your objective will be pretty clear – defeat the rascal mage.

The game itself is absolutely breath-taking and for those among you who enjoy RPGs or adventure-based computer games in general, this iGaming slot will definitely be on top of your list of preferred games to play.

Find the Best Online Slot Titles with Free Bonuses

While many of you may have grown accustomed to the rather humdrum Vegas-styled games, our compilation is a definitive way to show you that there are games that transcend the “standard” for an iGaming slot.

Innovative studios such as Play’n Go and Rabcat may have not been in the spotlight the entire time, but they have definitely become the latest trend-setters in iGaming in 2019.