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Top 10 Most Exciting Bonus Rounds in Online Slots

By: Sarah JonesFebruary 26, 2018

Bonus rounds are a real highlight of video slots. They can really pack a punch, both in terms of big wins and entertainment. There are many different types of bonus available. From pick and win features to free spins, you know that when triggered, you are about to experience the best of what the game has to offer. There are some slots however, that take the entertainment to whole new levels thanks to the innovative, unique and exciting bonus features. In this article, you will find out about the top 10 online slots with the most exciting bonus rounds. If that’s not enough for you, we have a whole other page dedicated to the best bonus slots as well! Below you can see our selection of the most exciting bonus slots and by clicking on any of them you’ll jump straight to the bonus description.

#10 The Invisible Man

The Invisible Man Police Spins Bonus

This branded NetEnt slot boasts a thrilling array of special bonus features. When the Police and Griffin Walking Wilds merge, 10 free spins are triggered.  As the wilds work their way off the reels in the free spins, they are added to the respective meter. If the Police meter is filled first, the Police Spins bonus is activated. Here, you get 3 free spins where 5 randomly placed Flaming Wilds appear on the reels.If the Griffin meter is the first to be filled, the Griffin’s Rage bonus game is triggered. The bonus round takes place across 3 locations; the Lion’s Head Inn, the Mansion and Ipping Station. At each, you pick from 5 items, awarding various coin wins, increasing win multipliers or a police hat, which signals the end of the round. The bonus features in The Invisible Man reflect the film theme perfectly and make for a truly entertaining playing experience.

#9 Pharaoh’s Fortune

Pharaoh’s Fortune Bonus Round

Whilst there is no shortage of Egyptian themed slots available online, Pharaoh’s Fortune really stands out from the crowd. It injects fun and comedy into the genre and boasts a unique and invigorating bonus round. The golden Pharaoh’s head is the bonus symbol and 3 on a payline activates the free spins bonus. Before the Pharaoh’s Fortune bonus begins, you enter the Pharaoh’s tomb, where you get the chance to boost your number of free spins and win multiplier by picking from the various tiles. The bonus game features a different set of symbols, and you’ll see the hieroglyphic-style characters dancing around the reels as the Bangles funky 80’s tune, Walk Like an Egyptian blasts out. Furthermore, every single spin during the bonus round is a guaranteed win of at least 3x the activating bet. The fun and quirky dancing symbols, the upbeat soundtrack and guaranteed wins make this an outstanding bonus round that is sure to make you smile.

#8 Rocky

Rocky Knockout Bonus

If you are a fan of the legendary Rocky movies, then this slot will be right up your street. The Knockout bonus is a true highlight of the game. Get a white boxing glove on the first reel and a red one on the fifth to trigger the bonus. You start by choosing which of Rocky’s opponents to fight in the bonus; Apollo Creed, Ivan Drago or Clubber Lang. You will then see video footage of the fight, taken straight from the film, which takes place over 10 rounds. For every round Rocky wins, you get a coin win. This is a truly unique bonus feature that captures the spirit of the movie perfectly and can provide some big wins. The slot also includes the ROCKY feature. Spell out the word across the reels for a cool 5x total bet win. In addition to these spectacular bonus features, the Rocky video slot also boasts free spins, with extra wilds and double payouts.

#7 Jurassic Park

Jurassic Park T-Rex Bonus

The Jurassic Park video slot is based on Spielberg’s epic dinosaur movie. It includes a riveting 5-level bonus feature that captures the movie theme perfectly. When you land 3 amber scatter symbols, you are rewarded with 12 free spins. Yet these are not just any old free spins. 1 of 5 dinosaur features will be chosen at random, adding enhanced features to the free spins bonus. The Tyrannosaurus Rex bonus features Wild Reels, where the T-Rex can appear and turn up to 5 reels entirely wild. The Velociraptor bonus creates Multiplier and Split Wilds. The Triceratops bonus features Running Wilds. The Brachiosaurus bonus includes Mystery Multipliers. Finally, the Dilophosaurus bonus features Winning Wilds, where the dinosaur turns random positions wild. The variety of innovative features along with the outstanding graphics, animations and sound effects make this an incredibly exciting bonus game.

#6 Gladiator Jackpot

Gladiator Coliseum Bonus

Based on the epic historical drama movie, the Gladiator Jackpot slot boasts two sensational bonus features. For starters, the Coliseum bonus is triggered with 3 or more scatters. You turn stones at 4 different levels to reveal the number of free games, the win multiplier and which symbols will become extra scatters and wilds during the bonus. This unique round can award up to 12 free games with up to a 3x multiplier. Plus, the addition of more wilds and scatters helps to boost your chances of wins. The other exciting bonus feature is the Gladiator Jackpot bonus. 9 helmets are displayed which each award a cash prize. Get 9 gold helmets and get ready for the thrill of a lifetime, as you win the huge progressive jackpot.

#5 Monty Python and the Holy Grail

Monty Python and the Holy Grail Bonus

Monty Python and the Holy Grail is a cult classic and (IMHO) one of the funniest films ever made. Playtech have worked their magic and brought all the comedic anarchy of the movie to this impressive video slot. This can be seen most prominently in the sensational Quest for Camelot free games bonus feature. You will start by picking shields to determine which free games mode you will play; The Forest of Bravery, The Castle of the Britons or The Cave of Caerbannog. The shields include a variety of modifiers which will be applied to the free games. Amongst these film-themed modifiers are the French Invaders who fart in your general direction to add wild symbols, the three-headed knight who creates 4 wilds wherever he appears and the killer rabbit who adds sticky wilds. This is a unique and innovative free games bonus that is engaging, compelling and down-right hilarious.

#4 Hot as Hades

Hot as Hades Quest for the Crystal Helm Bonus

Hot as Hades is a visually superior Microgaming slot, with exceptional graphical quality and animations. Based on Greek mythology with a fun edge, it boasts a captivating bonus round that draws you right into the action. In the Quest for the Crystal Helm bonus, the flaming-haired Hercules meets his adversaries at different levels. Outwit Medusa, Poseidon and finally Zeus to enter his chamber and pick from the treasure chests to try and claim the crystal helm. There is plenty of action and adventure as you journey through the bonus game, as well as the potential to pocket some serious cash.

#3 Pink Panther

Pink Panther Bonus Game

This Playtech video slot, based on the fun cartoon-film series, has an impressive 4 bonus games which can be randomly triggered as you play. In the Crack the Pink Code bonus, you open safes to reveal free games with multipliers or expanding wilds. In the unusual the Colour Pink bonus, the Pink Panther and the Little Man paint a wall of numbers in pink and blue. All the pink winnings are added together and multiplied by your total bet to award a cash prize. You can pocket this cash or choose to try your luck again up to 3 times. In the Wheel of Pink bonus you accumulate prizes by spinning the wheel to determine your win multiplier. In the Pink Trail bonus, Inspector Clouseau follows the footsteps and stacks up prizes. The game also features the Jackpot Adventure, where you open doors to reveal different characters for a shot at winning a mystery progressive jackpot. All these exciting bonus rounds make the Pink Panther slot a popular choice with players.

#2 Family Guy

Family Guy Chicken Fight Bonus

If you like Family Guy, you will love the Family Guy video slot. Not only does it feature all the favourite characters from the show with slick, sharp graphics, it includes a rich selection of fun and exciting bonus features. Trigger the World bonus, and you’ll see Stewie spin the globe to reveal which bonus will be awarded. There’s the Drunken Clam bonus, where you can win up to 1000x your bet by selecting different characters. The Chicken Fight bonus is highly amusing, as Peter and the Giant Chicken kick each other’s asses all over town, awarding cash prizes along the way. Lois’ Hot Free Spins bonus gives you a chance to accumulate extra wild symbols during the free plays. The game also boasts 4 randomly triggered Griffin Family features, adding even more fun and big winnings as you play.

#1 Avalon II

Avalon II Grail Bonus Game

If you want a slot with exceptional bonus rounds, Avalon II is not to be missed! As you journey through the Kingdom on the quest to retrieve the Grail and return it to Avalon, 8 possible bonus games await your discovery along the way. Each time you trigger the Grail bonus you will see the map with all the different locations and bonus rounds laid out. They are rich and varied; reforge Excalibur in the Lake of Legend bonus, defeat the Black Knight in the Hall of Shadows and Spin the Wheel of Fortune at the Isle of Avalon. The bonus features also include free spins with extra wilds, trailing wilds and rolling reels, as well as pick and win features. The unique multi-level bonus has the feel of a story and it really draws you into the game. As such, the Grail bonus is by far the most exciting bonus round you will find in a slot.

Frequently Asked Questions About Bonus Rounds in Online Slots

Bonus rounds are a hallmark feature of the top-tier online slots that can be found online. How are you going to cash in on a nice opportunity if you don’t know all about how the features work? We hope to make everything crystal clear with the last few bits of information that need to be clarified.

🎰 Are there free video slots with bonus rounds?

There's a bunch of free video slots with bonus stages (rounds) you can play practically for free. Be it on a test platform, the official site of the software developer, or at a real-money casino, you are likely to find some sort of a demo version that is available for free. Such is the case with the Pharaoh's Fortune slot.

📱 Where to play free online slots no downloads bonus rounds?

Thanks to HTML5, the majority of online slots are hosted on the so-called instant-play platforms. That means, nearly any licensed online casino affords you an instant-play opportunity. Instant-play online slots with bonus rounds don't require downloads. Our top choice for a no-download casino game is Avalon.

🐱‍🏍 What genres are the free slots with bonus rounds based on?

Spread across multiple genres, you are all but guaranteed to stumble upon a slot that will be suited to your liking. As it has happened, most of the ones featured here are inspired by feature films and TV shows, such as the Monty Python and the Holy Grail slot that boasts fantastic bonus rounds and fun gameplay.

🤹‍♂️ Do the slot games with bonus rounds have a high RTP?

The free online slots with bonus rounds we have featured in this list are variously spread on the RTP spectrum. Some of them such as the Hot As Hades slot fall on the higher end with a nice RTP of 96.7%, while others such as the Pink Panther slot are less generous at close to 95%.

✨ Which are the most exciting slot bonus rounds?

This is an entirely personal decision and it depends on what one expects. We are big fans of the Jurassic Park slot bonus rounds as there are a total of 5 there; each dedicated to a dinosaur from the cult classic feature from Spielberg. More wilds, multipliers, and spins expect each gambler that dares to go on this adventure.

🥼 Who developed the free online slots with bonus rounds?

Expect to see the names of some of the best developing companies attached to the name of each slot in our “Top 10” list. For example, NetEnt is a true leader and a pioneer at creating slots and the Invisible Man slot is a prime example of their ability to deliver stunning graphics together with a richly themed environment.