Moriarty Megaways Slot Review

  • Idea
  • Graphics
  • Audio
  • Bonus Features


Moriarty Megaways is a branded slot developed by iSoftBet. The game comes with a megaways gameplay, wilds, free spins, and a special bonus round.

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Characters from novels written by Sir Arthur Conan Doyle have often been inspirations for movies, video games, and more. In recent years, such characters are becoming protagonists in many online slot titles. Moriarty Megaways is one such game that features the world’s most famous detective, Sherlock Holmes and his nemesis who carries the name of the slot, professor James Moriarty. The game is developed by iSoftBet and comes with 19th-century London in the background as the reels stay in front of the famous Baker Street. Players can enjoy a classic 6-reel Megaways setup with cascading wins gameplay. Because of the unique gameplay, there are no paylines and we will explain how the game works right below. The RTP of the game is 95.58% and volatility is expected to be high. Keep reading to learn everything you need to know about this fantastic online slot.

Graphics & Sounds

One thing that every player will notice when playing Moriarty Megaways is how good the slot looks. We get a Victorian-era Baker Street in the background with amazing-looking reels in the front. The story is obvious as it focuses on the characters from the Sherlock Holmes stories. Players get to see detective Holmes, his friend and assistant Dr Watson and, of course, Moriarty, his nemesis. Visually, we can safely say that this is one of the best slots we have ever reviewed. The reels have ornate frames as they feature symbols like chess pieces and signet rings. You can also see professor Moriarty sneers at all the players as they try to defeat him.


The other two protagonists, Sherlock and Watson have a sense of mystery behind their looks. They have furrowed brows and suspicious expressions like they are in the middle of an important case. As we mentioned above, we can see London in the background, Baker Street to be exact. It’s a foggy street with street lamps taking us back to Victorian times. On top of the amazing graphics, the soundtrack of Moriarty Megaways is excellent as well. It’s dark and mystical filled with melancholic violin notes, perfect for the theme. Players are greeted by a spooky narrator, which also occasionally makes cryptic remarks. All in all, it really makes for a whole Sherlock Holmes experience as it brings 19th century London back to life.


After talking about the graphics, we have to explain the symbols of Moriarty Megaways. First, we have royals which we have seen hundreds of times in other slots. In this game, they are a 9, 10, J, K, Q, and A. These are the low-paying symbols of the title and are followed by pawn and king chess pieces, as well as a golden ring. All of these are connected to the theme of the game, even the Royals who have a Victorian look in order to fit the theme. The high-paying symbols are the protagonists and obviously the antagonist Moriarty. However, only the symbol of Moriarty has a paytable. For a payout of 0.5, 1, 5, 10 or 25 times your entire bet, you must land combinations of 2, 3, 4, or 5 or 6 of the master criminal.

Sherlock Holmes and Dr Watson, on the other hand, can only be triggered during the Free Spins phase. Their characters have a different job than all the other symbols. Lastly, we have to mention the Pocket Watch symbol as it is the wild of the title. This symbol can only appear on reels 2, 3, 4, and 5. Additionally, there is a bonus symbol that triggers free spins and a mystery symbol that only appears during the Dr Watson gameplay. We will explain all these symbols and how they can trigger bonus features in the next section.

Moriarty Megaways Bonus Features

We are happy to say that great graphics are not the only fantastic thing about this online slot. The game comes with a couple of bonus features that players will enjoy. As a matter of fact, the gameplay is a whole feature of its own. Moriarty Megaways runs on a Cascading Wins feature. Every time you get a winning combination, the symbols that were part of that combination are taken of the reels and new symbols fall down in their place to replace them. The cascade can keep going as long as new winning combinations are formed. Additionally, the title has a wild which is used as a substitute for all symbols except the Bonus, Mystery and special Sherlock and Watson symbols.

The Bonus Symbol triggers a Free Spins Bonus round that comes with a couple of extra features. This is where the Mystery, Sherlock, and Watson symbols come to play. Below, we will explain the Free Spins feature and everything extra that comes with it.

Moriarty Megaways Free Spins Feature

The free spins feature is the biggest and most important feature of the Moriarty Megaways slot. To trigger this feature, you need to land at least 3 Free Spins bonus symbols. However, if you get more bonus symbols, you will receive extra free spins. Here is the list of how many spins a player can get:

  • 3 scatters = 15 free spins
  • 4 scatters = 20 free spins
  • 5 scatters = 25 free spins
  • 6 scatters = 30 free spins

During the free spins round, the feature can be retriggered. However, during the round, the bonus symbol no longer says Free Spins but rather +5. The reason for that is simple, if you get another bonus symbol during the free spins round, you will get an additional 5 free spins. Nevertheless, this is just the tip of the iceberg when it comes to this feature. The Free Spins round can be played over three sets of reels. The first one is the regular one which we get during the whole gameplay. However, if you get 3 Holmes or Watson symbols during the free spins, the reels will change depending on which symbols you got. Additionally, the free spins start with a multiplier of 1x and as you get cascading wins, the multiplier grows.

Moriarty Megaways Free Spins Feature
Free Spins Feature

Sherlock Holmes Reel

Collecting 3 Sherlock Holmes symbols during the free spins round will trigger the Holmes reel. Keep in mind that they can appear only in the top tracker reel which holds only 4 symbols while the other reels hold between 2-7 symbols. The number changes with every spin so you never know what you get until the spin is finished. This Holmes mode causes the reels to expand. It means that a player could theoretically play all three sets of reels at the same time. In the regular gameplay, the maximum number of ways to win is 117,649. However, during this bonus mode, it could go up to 352,947. Basically, at the highest bet, if all of this is to be triggered, a player could win more than $1 million.

Dr Watson’s Reel

To trigger this reel, you need 3 Dr Watson symbols to appear in the top tracker reel. Unlike the Holmes reel, in this one newspaper mystery symbols appear on the reels. During this mode, those symbols work as a wild and they can substitute for the other symbols and create cascading wins. This mode triggers more wins which means the multiplier will increase a lot. Keep in mind that there is no limit on the multipliers. They never reset and keep increasing during the Free Spins feature. If you are lucky, thanks to retriggers, you can stay in the Free Spins mode for a long time.

Buy Option

Last but not least, Moriarty Megaways has an option to buy Free Spins if you are unlucky in triggering the Free Spins round. You can find the Buy Option to the left of the reels. Purchasing free spins will cost you 150 x your total stake. It’s important to note that if you trigger the Free Spins round through the Buy Option, the RTP of the slot will rise to 96.46% while the feature is active.

Buy Option
Buy Option


To conclude, Moriarty Megaways is a fantastic slot, brought to us by iSoftBet. The slot has an entraining theme as it features protagonists Holmes and Watson and the antagonist, their nemesis Moriarty. The graphics and sounds are excellent as they give players the experience of living in Victorian London, during the 19th century. This slot has a cascading wins gameplay which is much more fun than what classic slots have to offer. On top of that, the developer made sure they add a wild, a scatter, and one massive bonus round.

Players can win free spins and change the gameplay while in that round as the game theoretically offers them a maximum of 352,947 ways to win and an RTP of 95.58%. At the maximum bet, players can win amounts that go in the millions. All in all, what we have here is an excellent slot that comes with great graphics, fun gameplay, bonus features, and huge wins. We recommend this slot to all types of players.

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