Online Slots > Slot Series

Mark Bowley

Popular Slot Series and Franchises

Follow your favourite slot games through their sequels and spin-offs. We showcase the most iconic slot series, breaking down each instalment and how the themes evolve across titles.

Why Studios Create Slot Series as Part of Their Strategy

If you’ve ever logged into an online casino and noticed the same titles appearing in different iterations, you might wonder why. The answer is simple, players keep coming back to these games.This happens when a slot theme or a particular mechanic resonates especially well with players. In such cases, it makes more sense to release fresh iterations of the game rather than risk developing an entirely new concept. If a slot sequel performs well, it often leads to another follow-up, and before long, a full-blown series is born.

Much like a blockbuster film’s success often leads to a sequel and sometimes an entire franchise, slot developers follow a similar strategy. When a game resonates with players and proves to be a hit, it makes sense to build on that success by creating sequels. If those follow-ups perform well, they pave the way for even more instalments. Much like film studios, slot developers play it safe by leaning on established favourites to maintain momentum and keep the money flowing, as long as there’s still an appetite from players, of course.

Common additions to slot series include Megaways adaptations and seasonal themes like Christmas Slots or Halloween. However, the most daring providers push boundaries by tweaking core mechanics, introducing innovative bonuses, or completely reimagining the game’s theme. For example, Big Time Gaming’s Max Megaways 2 builds on the original with cascading reels, while NetEnt’s Dead or Alive 2 elevates its predecessor with two entirely new bonus games. These bold changes work because sequels place players in a familiar setting, making it easier to introduce fresh ideas without alienating fans. From our experience reviewing these countless slot reviews, the best ones aren’t rushed but carefully crafted. The most successful franchises come from developers who go back to the drawing board, sometimes taking months or even years to refine a sequel that truly builds on the original. By keeping the magic of the first game alive while offering something new, these sequels create franchises that players return to time and time again.

Slot Series Covered Honestly – Our Verdict

Here are the most popular slot series here at Fruity Slots. We will be constantly adding to this list as more slot series evolve!

Jackpot King Slots

If you’ve ever dreamed of hitting a life-changing win from a single spin, Blueprint Gaming’s Jackpot King might be for you. This iconic series has already created over 30 millionaires, offering players the chance to win mind-boggling sums of money. Embedded into some of Blueprint Gaming’s biggest hit titles, we divulge the top Jackpot King games in our guide. If you’re curious about how it works and how you can get your hands on some regal rewards, we explore the mechanics of the progressive jackpot, the excitement of the Wheel King bonus round, and the top online casinos where you can try your luck.

Fishin’ Frenzy

Cast your line and land massive catches in Blueprint Gaming’s iconic fishing series. This beloved slot game took the casino world by storm with its thrilling Cash Collect feature, sparking a frenzy among players and inspiring more sequels than there are fish in the sea. As the original fishing-theme franchise, it remains a firm favourite for players across the UK. Whether you’re a seasoned angler or a casual player, Fishin’ Frenzy offers a tranquil yet exciting escape, brimming with opportunities to reel in big wins. Join us as we dive into the tranquil waters of Fishin’ Frenzy and discover the big wins that await.

Rainbow Riches

This iconic Irish-themed slot series has been a lucky charm for many players, evident by its longevity and a vast array of sequels. First making its way online in 2009, this beloved pub classic quickly transitioned into the digital world, retaining its famous Celtic aesthetic while embracing modern innovations. Known for its leprechaun mascot and Irish luck symbols, the franchise has gone beyond the simple 5×3 reel game it started as. Discover more about the series here where we’ll be going through each sequel, uncovering hidden treasures and chasing the pot of gold at the end of the rainbow.

Reel King

One of the most effective slots to blend retro charm with modern mechanics is Reel King. Developed by Inspired Gaming, Reel King offers simple yet engaging gameplay, making it a favourite among players who appreciate the nostalgia and timeless appeal of the series. Being a longtime land-based favourite, it wasn’t until 2020 when Reel King Megaways was released that it reached its full potential in the online world. Here we’ll be delving into the world of Reel King, its different iterations and the best place to play them. So click here to read more, spin the reels and relive the golden age of slots.

Money Train

All aboard Relax Gaming’s fast and furious Money Train. Starting with its humble Wild West beginnings, the franchise has since transformed into a futuristic cyberpunk adventure, captivating players worldwide. Known for its staggering maximum wins, stunning graphics, and a legendary bonus game, Money Train has cemented itself as one of the most popular slot series in history. With multiple sequels and the UK-focused spin-off Money Cart, there’s plenty for fans and newcomers alike to uncover about this exciting series.

Big Bass Bonanza

Head out for an aquatic adventure with Big Bass Bonanza, the series that keeps players hooked with every new release. Breathing a lease of new life into the popular fishing theme, in 2020 Pragmatic Play introduced us to its iconic fisherman character for the very first time and set the course for one of the most popular slot franchises of all time. Since its debut, Big Bass Bonanza has reeled in fans worldwide, with each sequel offering fresh mechanics, new features, and exciting themes. Join us as we dive deep into this iconic series and uncover what keeps players coming back for more.

Dream Drop Jackpots

Relax Gaming’s Dream Drop Jackpot can turn that dream into reality. This innovative progressive jackpot system offers players the chance to win big, with prizes ranging from smaller, more frequent wins to mind-blowing multi-million-pound jackpots. The tool has been incorporated both into existing titles from Relax Gaming and its partner studios as well as into standalone titles, specially made for the jackpot. Giving players a chance to land a big win on any spin doubles the excitement of playing a standard slot game. In this guide, we’ll explore the best Dream Drop games, the biggest wins, and where you can play them.

Nitropolis

The post-apocalyptic world is rampant with criminal animals all vying for control according to the brilliant and whacky mind of Elk Studios. Thanks to features like Nitro Reels, it brought some of the most daring and complex features to players in slot history. The Nitroplois series is where everything really took off for Elk, captivating players with its immersive cyberpunk setting, innovative mechanics and high-volatility gameplay. Immersing players in a cyberpunk city, each instalment brings something different to the table and keeps players coming back for more. In this guide, we’ll delve deeper into the Nitropolis series, exploring its features, mechanics, and the best places to play.

Is It a Sequel or Just a Familiar Reskin

Not every instalment in a slot series will be a Godfather Part II, and understandably, developers aren’t going to reinvent the wheel with every new release in a well-established franchise. However, there’s an argument to be made that sequels can sometimes be a cop-out for providers, limiting innovation and resulting in a monotonous online casino landscape dominated by the same games. While it’s true that these games remain popular and have earned their place, there’s also the concern that this reliance on sequels stifles creativity and blocks fresh ideas from entering the market.

Many sequels these days are little more than reskins, featuring the same slot mechanics, payouts, and features, but with minor cosmetic changes, whether it’s improved graphics or themed decorations for holidays like Christmas or Halloween. While these seasonal variations are expected and often welcome for their festive charm, they sometimes come at the expense of truly innovative games. By focusing on safe bets and reskins, providers may miss opportunities to push boundaries and deliver something genuinely fresh for players seeking new experiences.

How to Build a Blockbuster Slot Franchise That Works

Slot developers constantly strive to create engaging experiences while keeping games simple enough for UK slots site players to understand and enjoy. A popular approach is creating sequels to successful games, but it poses the question of how they prevent these follow-ups from feeling repetitive.

The secret lies in striking the right balance between familiarity and innovation. Developers retain the core elements that made the original game popular while introducing fresh twists to keep players intrigued. For example, Nolimit City’s San Quentin 2: Death Row demonstrates this perfectly, offering new bonus rounds and themes while staying true to its predecessor’s appeal.

When creating Megaways sequels, developers need to ensure the mechanic enhances the gameplay rather than being a simple rebranding exercise. Blueprint Gaming has mastered this strategy with titles like Return of Kong Megaways and Rick And Morty Megaways Slot, adding innovative bonus games and unique payout structures to build on the original experience.

However, not all sequels follow the same formula. Some franchises, like Fishin’ Frenzy and Money Train, stick closely to their core mechanics and themes while subtly tweaking factors such as volatility and RTP to deliver a fresh yet familiar experience.

Understanding these strategies allows players to appreciate the nuances between different sequels and make more informed choices about which games to explore. With the right balance of creativity and consistency, slot developers ensure that sequels continue to excite and entertain players.

Slot Series Hub – FAQs

  • What makes a slot series worth following in our honest opinion?
    A great slot series keeps the things you love about the original and builds on them with new features, themes, or volatility. If each instalment offers a fresh reason to spin, it’s a winner in our book.
  • Why do providers keep releasing sequels?
    Because they work. If a slot takes off with players, a sequel is a safer bet than starting from scratch. Familiarity helps retain fans while giving providers room to test new ideas.
  • How do I know which series has the best payouts?
    At Fruity Slots, we dig into the RTP, max win potential, and volatility of each slot. Whether it’s the next Big Bass or another Money Train, we help you compare instalments to find the most rewarding picks.
  • Are slot sequels just reskins?
    Some are, but not all. While a few developers stick to a formula with new artwork, others evolve the gameplay with new mechanics, higher win potential, or bonus twists. We highlight which are which in our reviews.
  • Do you update this page with new slot series?
    Yes we do. We’re always adding new entries to this guide as more sequels drop or existing franchises grow. Keep checking back for our honest verdicts on the latest series.