Free Online Casino Slot Machine Games Bonus Rounds
Play Free Online Slot Machine Games. Free Slots No Download needed & 100,000 Free Coins. Play For Free And Join The Best Casino Slots Community In The World. Play all the best Las Vegas casino slots and games for fun, on any device, including phones, tablets and desktops. Our online slot machines are 100% safe, with no spam, no pop-ups and no email requests. Play Free Slots - Browse 6,192 Online Slot Games for Fun Casino.org is the go-to place for the best free slot machines and games. Here you'll find hundreds of fantastic free online slots with no. Nevertheless, there are some free casino slots with bonus rounds where the actual bonus game is much simpler. For example, to collect your bonus payout you have to pick one of the several treasure chests or other items on another screen. Each item hides a set number of coins or credits behind it.
Experienced gamers earnestly look forward to bonus games while playing online video slots. These games create an opportunity for the player to increase his winnings through free spins, free coins and multipliers contained in the bonus games.
Free online slot games with bonus rounds and without download or registration offer players the opportunity to get a feel of the game and decide if it’s worth playing.
Most online games give the players an opportunity to win the jackpot in its bonus rounds. Players nowadays crave interactive bonus games that reveal hidden features and follow the game’s theme. Some bonus games offer low pay-out and advantages which discourage players from the whole game. Bonus games with high pay-out tend to attract more players ready to grab a chance to increase their winnings. Here are a few online slots with bonus games for free.
Slot Games with Bonus Rounds 2021
Contents
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#1 Tiki Island Slot by Gamesys
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Powered by Gameseys, this 20 pay-line and 5 reels game offer exciting bonus rounds. The Puffer Fish Bonus Feature is triggered by 3 pufferfish symbols appearing on any of the reels between one to three.
It's a Pick-'til-Pop bonus game where you have 33.33% chance of getting it right and move to the next round. I'm not quite sure what's the maximum number of winning rounds but you can walk away with some hefty winnings.
There's a second bonus game called The Tikis Nuts Bonus Game which is triggered by a minimum of 3 coconut symbols on the third, fourth and fifth reels. In this bonus game there's a coconut shop with 10 coconuts for you to Pop. Each of them hides a coin prize, some small, others are huge. All you have to do is hit as many coin-filled coconuts before hitting the one that ends the game.
Sounds like fun? It is! This is one of the Gamesys top creations. You can learn all about it in this Tiki Island slot game. There you can find the exclusive list of online casinos that offer this game and get an extra bonus to play.
#2 Rainbow Riches Pot of Gold by Barcrest.
This popular game by Barcrests is famous for its Pots of Gold bonus round which gives the player an opportunity to increase his winnings massively. It appears the least in the game and is activated by pots of Gold Symbols between the second and fourth reels.
The Wishing Well Bonus is activated by 3 or more wish-well symbols while the Road to Riches bonus is activated by the Lucky Leprechaun scatter symbol on the third, fourth or fifth reel.
It's one of the most popular video slot machines in the UK and thanks to this, there are ongoing free bonus offers like free spins, no deposit and promo code bonuses. You can read all about it in our Rainbow Riches slots sites.
#3 Zuma Slot by PopCap.
The Zuma slot game belongs to the PopCap family of games which are most commonly found on Gamesys gaming sites. It's a hidden treasure for those players that don't know the game and a precious jewel for those that do.
The bonus round in Zuma slots here is triggered by spinning three frogs anywhere unto the screen at any time. Players will have to choose between five masks with their choices determining the number of free spins to be received. This bonus game is very interactive, increasing the player’s winning chances.
As you know, free spins bonus games offer the potential for some of the biggest wins in online slots. No matter at what stake level (coin size) your playing, 30 free spins with five times multiplier on those free winning spins is definitely worth the while. Did you know that Wilds can payout up to 10x multiplier? You can read more about it in our Zuma slots sites.
#4 Hulk Slot by Playtech.
Developed by Playtech, this video slot game is based on the popular Hulk movie character from Marvel. Among all online slots from Playtech, this is one of the most popular and the bonus feature is partly guilty of that.
The Bonus rounds in Hulk slot machine are activated by three Hulk logos on reel which gives a player the chance to get free spins and multipliers either in the Hulk Smash where a player gets to smash police equipment to gain points or a shot at the Mega jackpot in the Jackpot round.
We're not really fond of Playtech slots to be honest but this game rightfully worked its way into our list of top slots with bonus games, so if you want to take it for a spin check out our list of top Playtech online casinos.
#5 Sex and the City Slot by IGT.
This 4 in 1 slot has boasted an increasing number of male players’with its variety of bonus games available to the player. Based on the TV show, players can engage characters, with different characters having their own interactive bonus games.
Possibly the biggest hit in Vegas right now and certainly just about the biggest hit for IGT in 2010, Sex and The City slots is sure to be one of the most popular games all the way through 2011 and into 2012.
Being a 4 in 1 slots, to get a really good playing session many players are finding they need a couple of hundred bucks to ensure they get a good long game and a chance to win something. Seems that has not put players off, because even now the game has been out a while it is very difficult to get a seat at the slot.
#6 Houdini Slot by Gamesys.
Based on the exploits of the famous magician Houdini, its Houdini Escape Bonus feature triggered by the appearance of the Houdini Escape Bonus Symbol on the second to fourth reel gives players the opportunity to win big cash prizes.
During the bonus game, you'll see our friend Tiki nailed to a turning table with balloons attached all around it (as seen in the image). You'll need to skilfully Pop the Balloons to win coins but pop the wrong balloon and the game is done.
This is also one of Gamesys top video slots. If you want to know more about it visit this Houdini Slot review here. You can see the full list of casino that offers the game plus get an exclusive deal to play online.
#7 Winstones Slot by Gamesys.
Based on the Flintstones characters, a 1960 cartoon, its bonus round offers players free spins and multipliers which increases the players’ chances of cashing in.
Another sound hit from Gamesys software, the Winstones slot game is more of High Variance slot game with good payouts that features a Wheel of Fortune game for players to earn up to 20 free spins that payout up to five times the total bonus earned.
If you'd like to know more about this fun game from Gamesys, visit this Winstones slot review here.
#8 Double Bubble Slots by Gamesys.
Created by Gameseys, this 20 line slot with a 25 times multiplier on the pay-out is famous for its Bubble Pop Bonus. The bonus is activated by spinning a bonus icon in on the first, third and fifth reels. A player is presented with 3 question mark bubbles to pop to claim a bonus prize.
If you're thinking this is a Pick-'til-Pop kind of bonus, think again. Here you need to get it right the first time and collect as much as possible. Winnings from this bonus can be quite generous nevertheless.
There's another bonus game in the Double Bubble slot game, the In-Line Bonus. And while it's not a free spins bonus game nor a Pic
#9 Fortune Temple slot by Gamesys.
This 25 line, 5 reel slot machine has two exciting bonus games for players. The Fortune or Misfortune bonus game is activated by the Green eye Mystery scatter symbol on the first, second and third reel.
In the Fortune or Misfortune bonus feature players have access to the temple's doors. Each of those doors holds a different faith for the player; may that be a HUGE cash bonus, finishing the game or even unlocking the door that opens all doors.
The Gift of God bonusgame is activated by the Red eye of Premonition scatter symbol on the third, fourth and fifth reel. Rather than the typical choice of bonus games, this awards an instant cash win, and that could be a multiplier of up to x100 your original stake. To know more about this game please visit this Fortune Temple mobile slot review.
#10 Avalon II slot by Microgaming.
This medieval-themed game is littered with symbols from the medieval era such as King Arthur, Merlin and the Black Knight alongside other characters in their search for the long lost grail.
A minimum of three Grail symbols will make a player eligible to activate the Grail bonus where they can win up to 120,000 coins.
The Lake of Legend bonus offer players a chance to roll the dice in order to try and reforge the sword of Arthur, the Excalibur. The Misty Vale bonus feature allows players to claim 15 free spins.
Whether you are checking online for the latest slots with bonus rounds or trying to rack up free slots without download or registration. You can get a complete gaming experience with free online video slot games with your knowledge of slots with bonus rounds.
Now, you know what to look for, where to place your bet and which free online video slot games with bonus rounds that can increase your earnings.
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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.
| Name | Bonus round | Play here |
|---|---|---|
| The Invisible Man | Free Spins:10 Free Spins | Play here! |
| Pharaoh’s Fortune | Free Spins:Random amount | Play here! |
| Rocky | Multiplier:5x | Play here! |
| Jurassic park | Free Spins:12 free spins | Play here! |
| Gladiator Jackpot | Free Spins:12 free spins | Play here! |
| Game of Thrones | Free Spins:4 choices | Play here! |
| Hot as Hades | Play here! | |
| Pink Panther | Free Spins:Random amount | Play here! |
| Family Guy | Free Spins:Random amount | Play here! |
| Avalon II | Multiplier:Free Spins and more | Play here! |
The Best Slot Games with Bonus Rounds
Scrolling through the entire list to find the one game that interests you, can be a hassle. That is why we have prepared a list with links for easier navigation. Find the best slot games with bonus games for you. Here is the list of the top 10 slots with bonus rounds:
- 10. The Invisible Man (Best Wilds Slot Bonus)
- 9. Pharaoh’s Fortune (Exciting Two Part Bonus Game)
- 8. Rocky (Unique Free Spin Bonus)
- 7. Jurassic Park (Top Bonus Game with Five Random Features)
- 6. Gladiator Jackpot (Exciting Online Progressive Jackpot)
- 5. Game of Thrones (Choice of Free Spins Round and Coin Flip)
- 4. Hot as Hades (Wonderful Free Spins with Several Stages)
- 3. Pink Panther (Unique Bonus Game and Top Progressive Jackpot)
- 2. Family Guy (1000x Multiplier to Your Winnings)
- 1. Avalon II (Amazing Variety of Bonuses)
#10 The Invisible Man Slot’s Bonus Round with Free Spins
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 three free spins where five randomly placed Flaming Wilds appear on the reels. Among bonus slot games, free spins are the most popular.
If the Griffin meter is the first to be filled, 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 five 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. Among the various slots with bonus games, this one is of extremely high-quality.
#9 Pharaoh’s Fortune Slot’s Wonderful Two Stage 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 Slot’s Incredible 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 also boasts free spins, with extra wilds and double payouts.
#7 Jurassic Park Slot’s Free Spins Enhancing Bonus Features
The Jurassic park 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 three amber scatter symbols, you are rewarded with 12 free spins. Yet these are not just any old free spins. One of five 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 five 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 round.
#6 Gladiator Jackpot Slot’s Incredible Progressive Jackpot
Based on the epic historical drama movie, the Gladiator Jackpot slot boasts two sensational bonus features. For starters, the Coliseum bonus is triggered with three or more scatters. You turn stones at four different levels to reveal the number of free games, the win multiplier and which symbols will become extra scatters and wilds during the bonus.
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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. Slot machines with bonus games can offer more than just free spins.
The other exciting bonus feature is the Gladiator Jackpot bonus. Nine helmets are displayed which each award a cash prize. Get nine gold helmets and get ready for the thrill of a lifetime, as you win the huge progressive jackpot.
#5 Game of Thrones Slot’s Immersive Free Spins Feature
Slot machine bonus rounds have never been this immersive. Once you get three scatter symbols, portrayed by the Iron Throne, you enter the free spins bonus game. Choose one of the four houses to earn fantastic bonuses to your wins. The difference between them is how many free spins you get, the multiplier for your winnings and the number of symbols with the house banners that you get. If you’re lucky, you can even re-trigger the free spins by getting three scatter symbols again.
One other feature is the Gamble Trail. After a big win, you can choose to flip a coin, with 4 progressive levels. Guess right, and you double your win. Guess wrong, and you lose your initial bet. This adds an exciting risk for more experienced players. Microgaming has truly captured the spirit of the series, with risk, adventure and unknown excitement. Slot games with bonus games have never been this immersive.
#4 Hot as Hades Slot’s Quest for the Crystal Helm
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. Slots with bonus rounds, sometimes have multiple levels of the bonus.
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 Slot’s Variable and Rewarding Bonus Games
This Playtech video slot, based on the fun cartoon-film series, has an impressive four bonus slot 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 progressive mystery jackpot. All these exciting bonus rounds make the Pink Panther a popular choice with players.
#2 Family Guy Slot’s Huge Winnings Multiplier
If you like Family Guy, you will love the Family Guy. 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 Slot’s Variety of Eight Bonus Games
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, eight 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.
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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. This variety helps it stand out as the king among slot games with bonus rounds.
Conclusion – Bonuses For All
Bonus slot games can be very entertaining and a great incentive to try out slots. Some tell incredible stories, while others offer unique gameplay elements. Fans of casino games love them for the variety it adds to slot machines. That is why you should always see what bonuses a game has to offer.
That’s all for now. We hope you enjoyed this list and make sure to check out our other pages for more top 10 lists and other articles. See you next time!
FAQ Section
We hope to have provided enough information on the various slots with bonus rounds. However, you may have some other pressing questions regarding the types of bonuses or the various slots that have them. We hope to answer any further questions you may have with this short section
❓ What is a free spins bonus?
A free spins bonus means you can play a few rounds of the game, without spending any of your own money. It's a popular type for slot machines with bonus games as they usually come with multipliers for your wins. Game of Thrones offers the most variety and biggest rewards with their free spins.
🏆 Who is the best developer for bonus games?
The best way to find good slot games with bonus rounds is to look for specific games and not developers. However, some developers are more experienced and will naturally provide higher-quality experiences. Microgaming is one such developer and their experience shows with the wonderful Avalon II.
🎰 How frequently do bonus games appear?
Slot machine bonus rounds are dependent on the volatility of the game. High volatility games will have incredible bonuses, but they'll be hard to get. Try out Hot as Hades for a wonderful low volatility slot with frequent bonuses.
✖️ What are bonus features?
Bonus features are special effects that can accompany bonus games for more rewards. These can be multipliers or more wilds and can also show up in the base game. For slots games with bonus games that have these features, check out the Jurassic Park Slot.
🥊 What is the best slot with bonus games?
So many slots with bonus games offer a variety of wonderful experiences, that can sometimes be even more interesting than the base game. It can be hard to pick just one. We would pick Rocky for its wonderfully unique Knockout bonus.
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