Best Online Slots That Give Free Bonus Rounds

At Spin Palace, there are more than 600 slots that you can play for real cash. But the question is how do you know which ones are the best? After all, a good bonus round means that you are allowed by the game to play online casino slots for free! You also get the winnings and you could even get the chance to multiply them! To give players a little help, we went through our vast selection of slots and made a list of top, real-money slot machines that allow you to play free bonus rounds without requiring any download or installation.

Best Slots that Feature Free Spins

When you play video slots, you rarely come across a game without a Free Spin bonus round – they are actually that common. However, there are those that have better features than others. Here is a list of our favorites:

Thunderstruck II: This game features the Hall of Spins bonus round and you will be granted an increasing number of Free Spins from each Asgardian. These Free Spins have special features that will boost your winning chances even more.

Immortal Romance:This game is pretty similar to Thunderstruck II. Immortal Romance also features a bonus round which offers an increasing number of Free Spins that are given a twist with character-specific bonus features that give players the opportunity to win extra goodies.

Jurassic Park Online Slot: Did you just feel that tremor? That could be the t-rex stomping its way to you! You better move fast and run! You will also have to deal with the odd dilophosaurus and velociraptor as well as stampeding triceratops and brachiosaurus that in most cases just seem to go about their business and leave you alone. You can experience the magic of the classic movie with Jurassic Park online slot. Simply start the bonus round and experience the thrill of this amazing online slot game.

Game of Thrones Online Slot: Are you ready to pledge your allegiance to a house on Game of Thrones online slot? House Stark, House Lannister, House Baratheon and House Targaryen are all vying to get you into their house with offers of increasing amounts of Free Spins that come with multipliers that get as bigger as you play. This game also has an exciting Gamble feature that can help you multiply your win many times over and make your way to Essos to see the magnificent spread their glorious wings again.

Girls with Guns - Frozen Dawn: Girls with Guns – Jungle Heat was pretty awesome, but we have to say that we are quite partial to the Frozen Wilds that players will find in the sequel, Girls with Guns – Frozen Dawn. On this slot, you get bonus rounds that come with Free Spins with Magnetic Wilds as well as a chance to win 546,250 coins with ease.

Best Pick-and-Win Features on Slots

When it comes to bonus rounds on slots, these are one of the oldest slots. But they are also the best as along with your base game win, you also get a chance for an extra win from the feature, or some extra Multipliers, Free Spins and other player treats.

Ninja Magic: Who can say no to Free Spins PLUS extra wins? With Ninja Magic, you get the best of both worlds in a cool yin-yang style. This means that you get the opportunity to pick more Free Spins as well as bigger multipliers from the bonus round before you actually get the spins featured, started.

Avalon II: The wrong hands have got hold of the Holy Grail and it needs to be returned to the isle of Avalon. When you play Avalon II, you will go on a journey across the kingdom in the bonus feature where you can pick Free Spins, extra wins and also fight the Black Knight with your sights on the Grail and 2,400,000-coin jackpot. With its diverse bonus games, this is one of our favorite games and players from all over have loved it since it was first released.

Gold Factory: This game’s multi-level bonus is what has made it win so many fans at the casino, both as a tournament and single-player version. You can pick Free Spins, bonus wins and more bonus rounds from the workshop of the steampunk alchemist. Challenge yourself and play your way through the various levels and out the most massive wins.

Biggest Jackpot Multipliers in Slot Machines

Are you all set to ruck? If you are a sports fan, you will love this department as our top 3 games take you from the bench to the football pitch, to the ice and to the rugby field so that you can chase massive jackpots that will increase your multiplier even further.

Break Away: This base game is not just packed with some exciting extra features, but will also give you up to 25 Free Spins with Rolling Reels as well as up to 10x multiplier for feature wins with the Free Spins bonus round. If you are looking for mega wins, this is the slot for you.

Football Star: When you play the Football Star, each win that you bag in the Free Spins bonus round will get you one step ahead on the trail of the Multiplier where you will find consecutive feature wins that will boost your multiplier up to 10x the win.

Rugby Star: With this game, you can enjoy the Rolling Reels in the base game. The best part is that this is also available in the Free Spins feature where they will move up towards ever-increasing wins, taking you all the way up to 10x multiplier.

Slot Games’ Most Entertaining Bonus Features

This could have been a longer list, but we wanted to keep the blog short so that you can use the three slots we have given as a starting point and then pick your own favorites at your online casino.

Dragon’s Myth: If you have an inner Khaleesi, this is the perfect game to bring her out. Dragon’s Myth slot game lets you capture dragons and once you have captured them all, you win a cash prize. There are also Free Spins that you can score from the base game as well as in the Dragon’s Cave bonus round.

Castle Builder: If you are unfamiliar with the controls of Castle Builder online slot, you can check out our blog and start building castles emperors and kings all over the known world. You can collect rewards and titles as your creations become increasingly elaborate, and also score some awesome wins as you play.

Battlestar Galactica Online Slot: You can get major rewards while fighting Cylons as you spin the reels on Battlestar Galactica online slot machine. As you play, you can move ahead through the ranks, go head-to-head with the Cyclon fleet and spin on the house when you get to the Free Spins bonus round.

Best Progressive Jackpot Features

Progressive bonus rounds – this is what can make you a millionaire. Even if you keep missing the Mega Jackpot, the Major, Minor and Mini jackpots are there to give you the next best thing. While you are playing on these progressive online slot machines with real money, you will get your winnings in cold hard cash!

Mega Moolah: If what you want is an online slot machines that have progressive jackpots that make million-dollar payouts in real money, Mega Moolah is the one for you. Make sure that you keep those reels spinning and get yourself ready for a mega jackpot win.

Find Your Favorite Online Slot at Spin Palace

There are countless free online casino slot games that you can play before you register your account. You do not need to download anything, so gaming is made easy and convenient for your enjoyment, whether you play on your browser or mobile. And even after registering your account, you are still given the Play for Fun option to play our free slot machine games. You can check out newly released games or find new favorites at the casino.

Needless to say, all slots can be played for real cash and you can collect Reward points as you play as well as cash out your next exciting mega win. In most cases, some of the most the biggest jackpots are won not from the regular rounds, but from bonus rounds, so keep the list above in mind and check these awesome games out the next time you play.

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