Best Bonus Round Slots (2024): Top 10 Online Slots With In-Game Free Spins & Bonus Features

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Sponsored Content Sometimes, spinning the reels might get boring – but that’s rarely the case with the best bonus round slots! These games are packed with exciting features like free spins bonus rounds, high return-to-player percentages, and, most importantly, big wins. After testing hundreds of titles, we’ve found our top bonus round slot in Reels & Wheels XL, available to play at Slots.lv. Of course, we also have 9 other intriguing options on our list. Ready to spin? Let’s explore more together! Best Slots With Bonus Rounds Reels & Wheels XL at Slots.lv Rags to Witches at Ignition Mississippi Wilds at Black Lotus 88 Frenzy Fortune at Highway Casino Beast Band at Super Slots Weekend in Vegas at Wild Casino American Jet Set at Cafe Casino Gates of Olympus at BitStarz Gold Rush Gus at Bovada Cleopatra’s Gold at Slots of Vegas Want to know more about these slots and the available bonus features? Keep reading; we’ll provide in-depth reviews for each of them, covering information about the RTP rates, themes, bonuses, and much more. 1. Reels & Wheels XL – Best Bonus Round Slot Overall RTP: 96% Theme: Fruit Maximum Win: 2,500x your stake Where to Play: Slots.lv Bonus: $3,000 + 30 free spins Are you looking for that classic slot game experience? If so, Reels & Wheels XL will transfer you back to the heydays of Vegas, each spin evoking a wave of nostalgia. This slot machine comes with exciting rewards. To trigger the bonus round, you need to land the bonus symbol at the center of the reels. Once activated, you will see a special wheel that is ready to spin. The wheel is full of multipliers, along with the grand jackpot prize. While not everyone will be able to get the jackpot, there’s the chance to grab high multipliers of 100x to boost your winnings. >> Play Reels & Wheels XL at Slots.lv 2. Rags to Witches – Best Bonus Round Slot for Free Spins RTP: 96.21% Theme: Halloween Maximum Win: 3,335x your stake Where to Play: Ignition Bonus: Up to $3,000 (Bonus code: IGWPCB150) The Halloween season simply can’t get boring with the spooky vibe that Rags to Witches slot game brings. Created by Betsoft, this is one of the best machines for bonus features. To activate the free spins round accompanied by a rising multiplier, you need to gather Scatter symbols. As the number of Scatters you land increases, so does your initial multiplier, along with the speed at which these multipliers rise. The maximum payout of Rags to Witches is 3,335x your initial stake. Besides free spins, players can also strike gold with any spin and unlock exciting wins like the Mini, Minor, Major, or even the Mega jackpot. >> Spin Rags to Witches at Ignition Casino 3. Mississippi Wilds – Best Wild Symbol Slot Bonus Game RTP: 96.08% Theme: Wild West Maximum Win: 2,250x your stake Where to Play: Black Lotus Bonus: $7,000 + 30 free spins (Bonus code: 200BLACK) True to its name, Mississippi Wilds boasts an abundance of Wild symbols. Among them are standard wilds, known for substituting for other symbols except for the bonus and chip icons. And when they contribute to a match, the prizes up for grabs are doubled. If you discover three chip bonus symbols scattered across the reels, you’ll activate the Casino Chip Pick bonus round. After that, you just need to take your pick of a chip to reveal the prize. To trigger the free spins bonus round feature, you’ll need a minimum of 3 bonus icons. Once they’re activated, 4 sets of reels will emerge, hosting the bonus games across each. During every spin, extra wild icons might grace the reels for more exciting prizes. Sounds fun, right? >> Play Mississippi Wilds at Black Lotus Casino 4. 88 Frenzy Fortune – Best Bonus Round Slot Machine for Multipliers RTP: 96% Theme: Space Maximum Win: 2,368x your stake Where to Play: Highway Casino Bonus: $7,000 welcome pack (Bonus code: RACETRACK) 88 Frenzy Fortune comes with 3 standard reels and a single payline while introducing a bonus reel that can bring revolutionary features into the gameplay. Against a cosmic backdrop, players will immerse themselves in the high-quality visuals, enjoying the space-inspired ambiance while getting big victories. The game offers a wide array of bonuses, with each winning spin capable of delivering varied bonuses, such as a 2x, 5x, or 8x multiplier on wins, an 8x or 18x boost to the initial stake, or even a free respin that includes its unique multiplier for wins. >> Claim exciting multipliers in 88 Frenzy Fortune at Highway Casino 5. Beast Band – Best Bonus-Buy Online Slot RTP: 96.83% Theme: Music Maximum Win: 7,500x your stake Where to Play: Super Slots Bonus: $6,000 + 100 free spins (Bonus codes: SS250; SS100) Beast Band is another fantastic slot that offers high volatility and a hit frequency of almost 38%. The maximum payout is 7,500x your stake, meaning that even a bet of just $5 can get you up to $37,500 if you are lucky enough to win. Additionally, the game offers 2 special betting options. The Buy Bonus feature enables direct access to the game’s bonus features. Purchasing free spins will require a cost of 50 times the bet, whereas opting for the Disk Respin feature will demand 80 times the initial bet. The Bonus Game option significantly increases the likelihood of triggering a bonus feature, albeit at the expense of a larger bet. >> Get up to 7,500x your stake in Beast Band at Super Slots Casino Best Bonus Round Slots Sites Slots.lv: Best overall Ignition: Best for free spin rounds Black Lotus: Highest-RTP slot games Highway Casino: Up to $7,000 welcome pack Super Slots: Exciting bonus-buy slot machines Wild Casino: Massive progressive jackpots Cafe Casino: Best pick for must-drop jackpots BitStarz: Thousands of crypto slots Bovada: Best Wild Symbol bonus slots Slots of Vegas: Low bonus wagering Next, we’ve got in-depth reviews of the top-rated online casinos that feature an impressive assortment of slots with bonus games. We’ll examine their slot machine variety, available slots bonuses, and the various banking options. 1. Slots.lv – Best Bonus Round Slot Site Overall Pros: Up to $3,000 crypto welcome bonus 30 free spins included 300+ slot machines Play free slots in practice mode 8+ secure banking options 1-hour withdrawals Cons: Nominal cash transaction fees Slower customer support service during peak hours If you want to play slot games in a reputable and safe online gambling environment that has been online since 2013, Slots.lv is your place. Comfortable payments, games with superb bonus features and high-quality visuals, and generous bonuses — what else do you need to have fun? Online Slots Selection: 5/5 As the name suggests, this online casino primarily focuses on slot machines. And it has a pretty interesting approach: quality over quantity, which in turn guarantees players some of the best real money online slots available. There are around 300 slot titles powered by RTG, Betsoft, and Spinomenal, among others. Even the simplest games are packed with bonus rounds, so your experience never gets boring. If you are a beginner, we advise you to try Dragon Scroll, Elvis Frog in Vegas, and Aztec’s Treasure. Free online slots are available, meaning that you will be able to explore them without making real money bets until you are ready to do so. Promotions to Play Bonus Round Slots: 4.95/5 When you make your first deposit using crypto at Slots.lv, you will unlock a generous $3,000 welcome package plus 30 free spins on Golden Buffalo. Alternatively, you can also opt for a credit card sign-up offer, which gives you a 100% match bonus of up to $2,000 plus 20 free spins on the same slot machine. There are various other Slots.lv bonuses and promos available, so keep an eye on the promotions tab for the latest offers. Payment Options: 4.95/5 At this online casino, you can make deposits and withdrawals using cryptocurrencies such as Bitcoin, alongside credit/debit cards and Check by Courier. For deposits, the minimum limit is $10 when using cryptocurrencies and $20 when opting for traditional payment methods. What we love about Slots.lv is that it processes your crypto transactions in an average of 1 hour. >> Claim up to a $3,000 welcome package plus 30 free spins [Slots.lv] 2. Ignition – Best Bonus Round Slots Site for In-Game Free Spins Pros: Up to $3,000 crypto bonus Lower 25x wagering requirements 200+ online slots Play free slot machines 13+ top-notch software providers Cons: Card deposit fees Lacks phone support Ignition is another online casino that offers the best slot machines available on the market. Whether you are a crypto or fiat player, you will find games, bonuses, and payment options to your liking. Online Slots Selection: 4.9/5 Ignition offers all kinds of slot machines, from classic slots to more modern Bitcoin slots, and the majority of them are packed with a free spins feature, making up for the lack of a free spins welcome bonus. If you are looking for such tiles, we advise you to try Big Atlantis Frenzy (with up to 20 free spins in the bonus round), Alien Fruits (30 free spins), and Lawless Ladies (10 free spins). Just like Slots.lv, Ignition also lets you play free games in demo mode. Moreover, each slot title comes with detailed information about the mechanics, features, providers, and more. Promotions to Play Bonus Round Slots: 4.9/5 Once you decide to sign up at Ignition, make a deposit of at least $20, and use the bonus code IGWPCB150, you will trigger a 150% match bonus up to $1,500, followed by the same bonus amount for poker games. This offer comes with only 25x wagering requirements, which gives you more chances of reaching the final goal. Don’t forget that slots contribute 100% towards the rollover, meaning that you can spend all the time you want playing them. Payment Options: 4.85/5 There are around 8 payment options at Ignition, offering a great mix of crypto and fiat currencies. You can start depositing via Bitcoin, Litecoin, Ethereum, and Bitcoin Cash, along with Visa, Mastercard, AMEX, and Voucher. You will be thrilled to know that Bitcoin has a weekly withdrawal limit of $180,500. So, if you win big playing the best online slots, you won’t have trouble cashing out your winnings. >> Redeem up to a $3,000 welcome bonus package [Ignition] 3. Black Lotus – Highest-RTP Games of All Bonus Round Slots Sites Pros: $7,000 sign-up bonus 30 free spins on Big Game Perfect mobile optimization 200+ high-limit slots High RTP scores Cons: No demo mode for unregistered users $150 minimum withdrawal amount Black Lotus Casino has been online for a couple of years and has cemented its status as one of the most popular online gambling sites for the best slot machines, largely due to the high RTP rates offered. Owned and operated by Genesys Technology N.V., this casino stands as a trusted and secure site for passionate players. Online Slots Selection: 4.85/5 While Black Lotus may not feature thousands of online slots in its portfolio, the existing ones are all about exciting bonus rounds and high-quality visuals. Another thing we noticed while playing here is that the return-to-player rate is above average. Simply put, players are guaranteed some of the best RTP slots online, boosting your overall chances of winning. Moolah Miner, Sweet Success, and Falling Fossils all have an RTP of over 96%, which is above the industry average. Plus, all of these games work great on smartphones, thanks to Black Lotus’ superb mobile casino website. Promotions to Play Bonus Round Slots: 4.7/5 The welcome package at Black Lotus lets you claim up to $7,000 in first deposit bonuses plus 30 free spins on the popular slot Big Game. To trigger it, you need to use the bonus code 200BLACK and make a minimum deposit of $20. After that, the pack will automatically be added to your personal account. There are numerous other promotions for you to check out. For instance, if you make your first payment using crypto and use the code 280 CRYPTO, you will claim a 280% match up to $1,000. Payment Options: 4.7/5 You’ll have a selection of around 8 payment options available for both deposits and withdrawals, including Visa, Mastercard, AMEX, and Bitcoin. There’s a minimum withdrawal amount of $150, which is somewhat high. On the flip side, payouts are delivered quickly via Bitcoin. But if you opt for bank wire, it may take a couple of days. >> Score up to a $7,000 welcome bonus and 30 free spins [Black Lotus] 4. Highway Casino – Best Bonus Round Slot Site for Bonuses Pros: Up to $7,000 deposit bonus 100% cashback Flawless instant-play feature Free slot games Excellent user interface Cons: Could have more games Low weekly cashout limits Highway Casino is a relatively new addition to the online gambling industry. It was created in 2021 but is already a popular option for playing the best slot games with bonus rounds. Online Slots Selection: 4.7/5 Once you visit the slots section at Highway Casino, you will be spoiled with plenty of choices. They are available in two modes — real money and practice play. Some of the most popular titles include Arabian Wishes, 5-Reel Circus, and Arrival. So, make sure to give them a try if you don’t know where to start. Besides classic variations, Highway Casino also offers modern slots with more complicated and special features. You can opt for progressive jackpots if you want to chase bigger wins. Promotions to Play Bonus Round Slots: 4.6/5 For newcomers, this online casino has created a special promotion that offers up to a $7,000 bonus to play with — undoubtedly the best slots bonus on this list. We can all agree that with this welcome offer, you can explore the platform and all of its features without any issues. To unlock it, you have to use the bonus code RACETRACK and make a minimum deposit of $30. The offer is split over the first four deposits and is valid for slots, keno, bingo, and table games as well. Besides the welcome pack, players can also get 100% cashback for their first deposit. To claim this reward, you need to contact the live chat. Payment Options: 4.6/5 Like other online casinos on our list, this one is also flexible and supports a variety of banking methods, such as Visa, Mastercard, Neosurf, Bitcoin, and Litecoin, just to name a few. The minimum withdrawal amount is $100, while the maximum you can cash out each week goes up to $2,500. As for withdrawal speeds, Bitcoin is the fastest, typically processed in an average of 24 hours. Bank transfers and credit cards might take up to 5 business days. >> Sign Up and claim up to a $7,000 sign-up bonus [Highway Casino] 5. Super Slots – Best Bonus Round Slots Site for Bonus Buy Games Pros: Up to $6,000 deposit bonus 100 free spins included 570+ online slots 24 secure payment options Up to $100,000 BTC withdrawals Cons: Could have a more modern website design Needs better game categorization Last but not least, we have Super Slots. Besides great slot machines, this site is known to be the most comfortable for fast payments, high withdrawal limits, and high-quality software providers. Let’s discover more together. Online Slots Selection: 4.6/5 Once you visit the slots category, you can choose from over 570 titles. Each of them comes with information about volatility, main features, and the option to play for free. Some icons have the Bonus tag, which means that this title is eligible for promotions available at the site. While we were impressed by the number of bonus-buy slots, the variety of themes also didn’t disappoint. From Ancient Greece and science fiction to Asian inspirations and more, there’s a theme to suit everyone’s preference. Promotions to Play Bonus Round Slots: 4.5/5 Super Slots offers new players a variety of welcome bonuses. For instance, Once you sign up and use the Super Slots bonus code SS250, you will get a 250% match up to $1,000 on your initial deposit. For the next five deposits and the promo code SS100, you can unlock a 100% match up to $1,000. However, things do not end here. When you make the first deposit of $100 or more, the casino will sweeten the deal with 100 free spins on the featured slot of the month. Payment Options: 4.7/5 There are over 20 payment options available at Super Slots, so it might be impossible for you not to find your favorite, at least one that you prefer. Those who are into altcoins will be happy to know that the site supports niche cryptos like Avalanche, Stellar, and Solana, along with popular options like Bitcoin and Litecoin. If you are a high roller, Bitcoin allows you to withdraw up to $100,000 for every transaction. Keep that in mind so you can cash out all your money at once in case you win the jackpot! >> Get up to a $6,000 welcome bonus with your first 6 deposits [Super Slots] How We Selected the Best Slots Sites With Bonus Games Selection of Online Slots The slots on our list were carefully picked for their engaging bonus games, captivating themes, and immersive gameplay. To ensure that the overall quality was good, we checked the software providers behind each title and made sure they were considered reputable in the online gambling industry. Finally, we also focused on the best progressive jackpot slots with massive payouts that tend to pay out frequently. This includes Hot Drop jackpots available at sites like Slots.lv, Ignition, and Cafe Casino. Bonuses and Promotions Part of our rankings involved a thorough examination of the existing promotions, therefore guaranteeing players the best slots bonus online. These encompassed various promos, including welcome bonuses, free spins, and existing promotional offers. The selected slots not only boast fascinating gameplay but also align with attractive offers to enhance the overall gaming experience. Banking Options We also ensured that the chosen online casinos and slots offered a variety of secure and efficient banking options, allowing seamless deposits and withdrawals. The emphasis was placed on accessibility, speed, and reliability to cater to diverse preferences. Best Promotions to Play Bonus Round Slots If you want a boosted bankroll to play the best slots with bonus rounds, here’s a brief summary of the top picks worth going for: Slots.lv: Up to a $3,000 welcome pack plus 30 free spins Ignition: A combined 300% match bonus up to $3,000 (IGWPCB150) Black Lotus: $7,000 in deposit bonuses plus 30 free spins (200BLACK) Highway Casino: $7,000 welcome pack for new users (RACETRACK) Super Slots: Up to $6,000 in bonuses plus 100 free spins (SS250, SS100) How to Sign Up and Play Bonus Slots Online Finally decided which slot suits your preferences the best? If so, let’s take a look at a step-by-step guide that will guide you through the registration process. Step 1: Choose an Online Casino Choose your favorite casino on our list, or visit Slots.lv, our top pick. Click the green Join button. Fill in your personal information. Accept the T&Cs. Click register to proceed. Step 2: Verify Your Account Check your email inbox for a confirmation message. Follow the link provided in it so your account gets verified. Step 3: Make the First Deposit Log in to your new account. Visit the Cashier. Choose your favorite payment option. Make a deposit of $20 to activate the welcome bonus. Step 4: Start Playing Slot Games With Bonus Rounds Visit the casino lobby section. Choose a slot with a bonus game. Start playing! Tips and Strategies for Playing Slots With Bonus Rounds Slots with bonus rounds might be slightly more complicated than classic ones. However, they are still easy to learn. Can this guarantee wins from every spin? Not really, but there are several ways to minimize your losses and improve your overall winning percentage. Explore Volatility and RTP: Assess the game’s volatility and RTP rate. Games with higher volatility may have less frequent bonus rounds, but they often yield more significant payouts. Conversely, lower volatility games offer more frequent bonuses but with comparatively smaller wins. Manage Your Bankroll: Utilize a sound bankroll management strategy. Don’t solely rely on bonus rounds to recoup losses or make significant gains. Patience and Consistency: Patience is vital when playing slots with bonus rounds. Some bonus features are triggered randomly, while others require specific combinations. Consistent play increases your chances of activating these bonus games. Best Bonus Round Slot Machines – FAQs What Is the Best Bonus Round Slot? After testing different options, we chose Reels & Wheels XL, available at Slots.lv, as the best bonus round slot for casino players. With this game, you can unlock a fantastic wheel feature that grants you great prizes. With a 96% RTP rate and 2,500x max win, Reels & Wheels XL is perfect for those chasing big wins. Can I Play Slots With Bonus Rounds for Free? Definitely! Depending on the site you join, you can play slots with bonus rounds for free. Luckily, most online casinos on our list offer free slot games. To play free games, simply go to your preferred online slot site, choose your favorite title, click the demo or Play for Fun option, and start exploring the game without depositing real money. Can I Use Promotions on Bonus Game Slots? Yes. In most cases, you will be able to use promotions such as welcome bonuses, free spins, and other offers when playing bonus game slots. The only exception might be progressive jackpots, as online casinos often exclude them from the list of eligible games. Comparing the Top 5 Bonus Game Slot Sites Slots.lv (Reels & Wheels XL): This is the best bonus round site overall. Here, you can explore around 300 slots and win 2,500x your stake at our top overall slot, Reels and Wheels XL. Don’t forget to check out a $3,000 sign-up offer with 30 free spins. Ignition (Rags to Witches): Looking for an online casino that has plenty of slots with free spin rounds? Ignition is the place! Discover high-quality RTG games and boost your bankroll with up to a $3,000 welcome package. Black Lotus (Mississippi Wilds): At Black Lotus, you will find the best slot machines not only for bonus games but for high RTPs as well. Play multiple titles with over a 96% RTP rate and kickstart your journey with up to a $7,000 deposit bonus and 30 free spins. Highway Casino (88 Frenzy Fortune): This casino is the go-to site for anyone who loves to claim bonuses for playing online slots. You can either get 100% cashback or grab up to a $7,000 welcome bonus. Super Slots (Beast Band): Not patient enough to wait for bonus games to activate? No worries. With Super Slots, you can play the most amazing bonus-buy slots. Plus, there’s a $6,000 sign-up package available for the first 6 deposits + 100 free spins. Ready to Explore the Best Slot Machines With Bonus Rounds? Now that we have shared all the best slot games with bonus rounds with you, are you ready to make that final decision? If you are still on the fence, consider trying Reels & Wheels XL, available at Slots.lv. This is a great bonus wheel game that can award you big multipliers. And there’s up to a $3,000 welcome pack and 30 free spins up for grabs. Other games and online casinos on our list are equally exciting. You can also check them out, and this will make it easier to spot your favorite. No matter which online slot you choose, remember to gamble for fun and play responsibly. IMPORTANT: Gambling can be addictive. If you have a gambling problem or somebody you know does, then we strongly advise calling the National Gambling Helpline at 1-800-522-4700 to talk with a certified advisor. All gambling sites are 21+ only. Some of the sites listed on our site may not be available in your region. Check your local laws to ensure online gambling is available and legal where you live. Please, visit these organizations for free gambling addiction resources: https://www.gamblersanonymous.org/ https://www.ncpgambling.org/ https://www.gamblingtherapy.org/ Article paid for by: PlayTogga, partners@playtogga.com The news and editorial staff of the Bay Area News Group had no role in this post’s preparation.

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