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The bonus slots, also known as video slots with bonus rounds, are one of the most popular slot machines online. The slot games with bonus rounds offer more winning chances and are fun to play as they are usually based on a story and come with impressive graphics. Find below a collection with some of the best free slot games with bonus rounds and play online for free, no registration required!
Slot Games with Bonus Rounds
Slots with bonus games - Discover some of the best slot machines with bonus games. The exciting bonus rounds are the best way to win big on slots! The World’s online gaming authority since 1995.
Play 30+ FREE 3-reel and 5-reel slots: Mountain Fox, Treasures of Egypt, Flaming Crates, Prosperous Fortune, Magic Wheel, Fruit Smoothie, Party Bonus, Video Poker and more! FREE Online Slot Machines! Win at least 500 credits and press the sweepstakes button to enter. This is a very popular no deposit bonus that offers you a huge sum of money as bonus – usually between $500 and $3000. You are required to use up the entire bonus money in a given time, usually 60 minutes. Free Slots Online With Bonus Rounds Any bonus money left over after the time period has expired becomes unusable. #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.
Slot games, in general, can be divided into online slots with bonus rounds and online slots without bonus rounds.
Slots with bonus games are usually more attractive for players and more fun to play because of the bonus rounds. They’re exciting because you’re always waiting for the bonus round to land and always expecting to win big in the bonus round.
All bonus slots usually have an explanation what the bonus round is about in the game rules. If you want to see what the bonus round is first hand, it’s best to try the games in the free mode first.
How do slots with bonus rounds work?
In order to see what a bonus slot is all about all you need to do is to sign up for an online casino and play the game for free. It’s the same as playing for real money. The only difference is, you don’t have to invest any money. You can read the game rules and the bonus round rules and once you feel comfortable with the game, you can give it a try in the real money mode.
In most video slot games, the bonus round is triggered when three or more scatters or bonus symbols appear on the reels. Once this happens, the bonus round starts and all you can do is to enjoy the privilege and hope to win big.
In general, the bonus rounds are divided into free spins and cash pick bonuses. The free spins bonus is a rewarding round where a player gets a certain number of free bonus games. There are also some other features like multipliers, extra wilds or expanding wilds. The cash pick bonus game usually awards cash prizes for every pick on the reels.
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How to win big in the bonus games
One of the most fun features in the online slot machines is the bonus rounds. You get to view secret graphics and gameplay and you are usually given a chance to multiply your potential winnings.
However, did you know that there is a strategy for making the most of these opportunities?
If you don’t believe us, just check out the following…
1. Know your slot
Become familiar with your game and get an approximate feel for how often the bonus round appears. That way you can gauge if the game is being generous or stingy with bonus round appearances when you’re in the midst of playing it. If it’s not giving out too many, it may be time to move to a different slot as the first step to making the most of bonus rounds is actually getting to play them.
2. Use a bonus round hunting strategy
Many professional gamblers sight ‘bonus hunting’ as their chosen strategy when playing online. The beauty of this strategy is its simplicity; play a game until you get a bonus round, win and then leave.
The theory behind this is that you’re leaving every game after getting a reasonable win and each one of those wins add up to increase your overall bankroll, thus giving you more money to hunt more bonuses.
3. Play every line
Of course, it makes sense that you should try to maximise your chances of getting into these bonus rounds. One simple way to do that is to play every line. There are games that only offer bonus rounds to those who max bet, so if your budget is low, give the penny slots a lash and you never know, you might be playing with a bigger bankroll before you know it!
Best Online Slots with Bonus Rounds
There are a lot of great free casino slot games with bonus rounds which have amazing rewards. On some video slot games, the bonus round is incredibly hard to trigger. Still, once this happens the payouts are usually big. These are high variance slots which can pay big in the free spins bonus regime.
Microgaming has a lot of great bonus slots on their offer. Thunderstruck II and Immortal Romance share an almost identical free spins bonus. Once you enter the chamber of free spins you can unlock four different features and choose among different free spins modes.
NetEnt also has a big number of slot machines with bonus rounds. Their most popular video slot game Dead or Alive has a free spins bonus with a sticky wilds feature. Once 5 Wilds land on the reels, the player gets 5 extra free bonus slot games. Win a wild line and the payouts can be well worth the try.
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Bonus Rounds Slots FAQ
What slot machines have the best bonuses?
The great thing for players is that there are a huge number of slots with fantastic bonuses. We couldn’t possibly list them all, but here are a few examples of some amazing bonus rounds. NetEnt’s Dead or Alive has one of the most lucrative with proven wins of 100,000x the stake up for grabs.
Razor Shark from Push Gaming has another amazing bonus round stacked with free spins and multipliers that is capable of hitting 50,000x the stake when things go well.
Finally, Lil Devil from Big Time Gaming has an exhilarating Heartstopper Free Spins bonus round that is also capable of wins up to 50,000x the bet. Check the reviews here to find plenty more great bonuses.
What are the luckiest slot machines?
Some players may view this as a good or bad thing, but there is no such thing as lucky or unlucky slots. Modern, regulated slots are driven by unemotional Random Number Generators. These math models are completely fair, random and unpredictable.
It is possible to have runs of wins or loses, but this does not make a slot lucky or unlucky. Some slots have paid out more than others, such as Mega Moolah. But this is due to their bonus system, and the algorithms that govern play. Never luck.
What are branded slots?
Branded slots are slot games that use some type of famous element in their theme. This could be anything from movies, TV shows, video games, board games, cartoons, bands, and more. Branded slots are popular because they are instantly recognisable and relatable.
When it comes to bonuses, wins, and gameplay, it doesn’t mean they are necessarily better than non-branded slots. But there are some cracking good examples of branded slots all the same.
Are slots random?
Modern slots offered by licensed providers are completely random. Developers power their products using Random Number Generators that ensure that every spin is completely unaffected by the spins that preceded it. For extra peace of mind, online slots and providers are tested by third-party auditors as part of licensing requirements. This ensures that slots are totally fair and random.
Which slot machines have the highest RTP?
When it comes to RTP, 96% has become the unofficial industry average. Anything above that is considered good. Anything under that not so good – depending on how much less of course. The great thing for players is that there are loads of slots that score higher than 96%.
Some excellent examples that were released quite recently include Jackpot 6000 (98.9%), and Mega Joker (99%) both from NetEnt. Another generous slot is 1429 Uncharted Seas (98.6%) from Thunderkick and Retro Reels Extreme Heat (97.5%) from Microgaming. RTP is always a critical stat we look at when reviewing slots.
Do casinos manipulate slot machines?
Regulated, legitimate casinos do not manipulate slot machines. Slots machines have a house edge built-in, so there is no need for anyone to manipulate them. Regulated casinos have slots tested by independent auditors to prove that their slots produce the results they state.
If a casino was accused and found guilty of manipulating slots they could go out of business. It is just not in their interest to manipulate their slot machines.
Should you max bet on a slot machine?
You should only max bet on slot machines if it suits your bankroll limit and betting style. In the past, some slots would only trigger jackpots or bonus features on max bet. Nowadays, this is virtually non-existent.
Now, bet levels of any size have the same chances of launching bonus rounds, free spins, and jackpots. This also includes hitting progressive jackpots. Of course, you should always read the paytable of any new slot to make sure you are clear on the rules.
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
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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.
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#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.
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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.
Free Online Casino Slot Machine Games Bonus Rounds Play
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.
Free Online Casino Slot Machine Games Bonus Rounds To Play
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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