Moriarty Megaways Slot Review

Expert Rating: 5 out of 5
Review by Chris Taylor
Last update 9th December 2021
Review by Chris Taylor
Last update 9th December 2021

Master villain and the nemesis of Sherlock Holmes takes centre stage in the Moriarty Megaways slot, a superbly designed 6-reel, cascading wins game from iSoftBet. Highlights of this trip to Victorian Baker Street include Sherlock’s Max Megaways where the game grid increases to the max size of 117,649 ways to win. Watson’s Mystery Symbols all transform into the same matching symbol. Both come with expanding multipliers. The free spins take place over 3 sets of reels. Collect Holmes and Watson symbols to unlock a free spin with their modifier in play. With an unlimited multiplier, you could play with 352,947 Megaways. Find out more in our full Moriarty Megaways review.

Moriarty Megaways Max Win
42,553 x bet
Type of Slot
Megaways Slot
Murder Mystery
Up to 352,947
Stakes Range
20p to £20
Bonus Features
Yes (4)
Free Spins/Multiplier
Max Win
42,553 x

Moriarty Megaways Demo

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Moriarty Megaways Slot RTP, Details & Wager Limits

Reels/Paylines: 6 reels + up to 352,947 ways to win

Stakes Range: 20p to £20 per spin

RTP: 95.98%

Max Win: 42,553 x stake per spin

The Moriarty Megaways slot uses the classic 6 reel Megaways set up. The number of symbols on each reel changes with each spin and can get up to 117,649 in the base game and even higher during the free spins. To create a winner, land matching symbols on adjacent reels, starting from reel 1.

Stakes range from between 20p and £20 per spin. Click on the chip to the right of the reels then use the + and – tabs to adjust. The autoplay option allows you to set between 5 and 1,000 autospins. You can set win and loss stop limits here too. The latter may not be available in your country though (not available in the UK from October 2021).

The Moriarty Megaways RTP is 95.98% which is average. The volatility here is very high though so tread carefully. The hit frequency rate is 34.3% meaning you’ll landing a winning combination in over a third of spins. The max win per spin is 42,553 x stake per spin. The bigger wins will come in the Free Spins feature due to 2 extra reel sets and corresponding extras.

Theme – Audio and Design Features – head to Baker Street

Theme: Murder Mystery

High Value Symbol: Moriarty

Compatibility: Mobile, Tablet, Desktop


The design in the Moriarty Megaways slot is terrific. The setting is sepia-tinged, Victorian era Baker Street. It is based on Professor James Moriarty which is a fictional character in Sherlock Holmes stories. This master criminal is the arch nemesis of ace detective Sherlock Holmes and his trusty assistant, Dr. Watson. Visually, it’s 1 of the best looking slots I’ve come across.

The soundtrack here is a great fit for the theme. Moriarty Megaways is part of the Twisted Tales series so it dark and mystical. It comes together very nicely indeed and conjures up a real flavour of 19th century London.

On the reels are A to 9 royals alongside pawn and king chess pieces and a gold ring. The top standard symbol is the bearded figure of Moriarty. Land 2, 3, 4, 5 or 6 of the master criminal in combination for a payout equal to 0.5, 1, 5, 10 or 25 x your total stake.

The pocket watch is the wild. This can land at the top of reels 2, 3, 4 and 5 only. You’ll see Holmes (in a natty deerstalker) and the moustachioed Watson during the free spins only. With a mystery symbol also appearing, here’s what each symbol pays:

Symbol Payouts
moriarty-megaways-slot-9-symbol9 3, 4, 5 or 6 = 0.1, 0.2, 0.25 or 0.4 x stake
moriarty-megaways-slot-10-symbol10 3, 4, 5 or 6 = 0.1, 0.2, 0.25 or 0.5 x stake
moriarty-megaways-slot-j-symbolJ 3, 4, 5 or 6 = 0.15, 0.25, 0.3 or 0.6 x stake
moriarty-megaways-slot-q-symbolQ 3, 4, 5 or 6 = 0.15, 0.25, 0.4 or 0.6 x stake
moriarty-megaways-slot-k-symbolK 3, 4, 5 or 6 = 0.2, 0.25, 0.5 or 0.8 x stake
moriarty-megaways-slot-a-symbolA 3, 4, 5 or 6 = 0.2, 0.25, 0.5 or 0.8 x stake
moriarty-megaways-slot-pawn-chess-piece-symbolPawn Chess Piece 3, 4, 5 or 6 = 0.25, 0.5, 0.75 or 1.5 x stake
moriarty-megaways-slot-king-chess-piece-symbolKing Chess Piece 3, 4, 5 or 6 = 0.25, 0.6, 1 or 2 x stake
moriarty-megaways-slot-gold-ring-symbolGold Ring 3, 4, 5 or 6 = 0.5, 1, 2.5 or 5 x stake
moriarty-megaways-slot-moriarty-symbolMoriarty 2, 3, 4, 5 or 6 = 0.5, 1, 5, 10 or 25 x stake
moriarty-megaways-slot-pocket-watch-wild-symbolPocket Watch Wild Substitutes for all symbols above
moriarty-megaways-slot-free-spins-scatter-symbolFree Spins Scatter 3+ triggers Free Spins feature
moriarty-megaways-slot-newspaper-mystery-symbolNewspaper Mystery Only appears in Watson Reels (free spins)
moriarty-megaways-slot-sherlock-holmes-symbolSherlock Holmes Only appears in Moriarty Reels (free spins)
moriarty-megaways-slot-watson-symbolWatson Only appears in Moriarty Reels (free spins)

Moriarty Megaways Mobile


You can play Moriarty Megaways on your phone, tablet or computer. The design stands up very well on the smaller screen devices. The Megaways mechanic works just fine on a smartphone screen too. The Moriarty Megaways mobile slot plays super smoothly.

Moriarty Megaways Bonus Features

You’ll find some classic Megaways gameplay in the Moriarty Megaways slot. As you might hope from a game based on the nemesis of the world’s number 1 consulting detective, there’s the odd twist or 2 thrown in to keep players on their toes.

Cascading Wins feature

Moriarty Megaways uses the Cascading Wins feature. After you’ve created a winning combination, the successful symbols are removed from the reels and new symbols drop down to replace them. The cascades keep on coming as long as a new winning combination is formed.

Sherlock’s Max Megaways feature


This game comes with a pair of modifiers, both of which can trigger at random on any base game spin. The Sherlock’s Max Megaways feature does exactly what you’d imagine it to. The reels expand their maximum size which offers 117,649 ways to win. A cascade then follows. Successive cascade wins also bring an expanding multiplier into play. This resets to 1x following a winless cascade.

Free Spins feature


Landing 3 or more free spins scatter symbols anywhere on the reels on the same spin trigger the Free Spins. The more bonus symbols, the more free spins:

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

The Free Spins feature comes with 3 sets of reels. The main set of reels are active throughout. To unlock the Holmes and Watson Reels below, you’ll need to collect 3 Holmes or Watson symbols.

You’ll then get 1 free spin on these reels, complete with the Holmes Expanded Reels or the Watson Mystery Symbols active. If you create a winner, a cascade follows. These continue until there’s no new winner and the reels are locked. You could play with all 3 reel sets at 1 time which would lead to 352,947 Megaways active in theory.

When the Watson’s Mystery Symbols feature is active, all the newspaper mystery symbols on the reels transform into the same matching symbol and a payout calculation is made. If you create a winner, a cascade follows, complete with an increase to the multiplier. Cascades continue and multiplier expand until there’s a cascade with no new win.

Each win on any of the 3 sets of reels increases the overall multiplier, with no limits. This does not reset following a winless cascade either. It only keeps rising throughout the feature. Retriggers are possible too for unlimited free spins.

Finally, there is an option to buy your way into the Free Spins feature. This will set you back 150 x your total stake. The RTP increases to 96.46% if you use it. Unfortunately, this isn’t available in all territories like the UK.

Moriarty Megaways Review Summary – superb from iSoftBet

Theme & Symbols

Sounds & Music

Bonus Features

RTP (95,98%)

Max Win (42,553 x)


The Moriarty Megaways slot based on Arthur Conan Doyle’s famous characters is impressively done. The atmospheric visuals are superbly drawn. It’s 1 of the best designed games I’ve come across.

This isn’t just another Megaways slot. Yes, it has many of the elements we love but the Free Spins feature has 2 extra reel sets which make it unique and appealing. I recommend playing on a desktop device due to the 3 reel sets in play.

With 42,553 x stake max wins, the key to winning big is the unlimited multiplier. This also applies in the base game which isn’t often said of most Megaways games.

Put all that together and Moriarty Megaways is a very playable slot on a classic fictional character. If you want something unique from your Megaways experience, Royale with Cheese Megaways by iSoftBet and King of Cats Megaways by Big Time Gaming are recommended.

  • Superb design & sounds
  • Unique Free Spins feature
  • Big win potential (42,553 x stake per spin)
  • None

Moriarty Megaways FAQs

What is the Moriarty Megaways RTP?

The Moriarty Megaways return to player rate is 95.98% which is standard. The volatility is sky high with the bigger wins coming from the various bonus features.

What is the Moriarty Megaways max win?

The max win per spin is 42,553 x your total stake. The key to winning big is from the unlimited multiplier in the Free Spins feature.

Are there any Moriarty Megaways free spins?

Yes, the Free Spins feature begins with up to 30 free spins. Uniquely, there are 3 sets of reels in play here. Collect Holmes and Watson symbols to unlock their reels and get a free spin with their modifier active. With an increasing multiplier in play, you could play with 352,947 Megaways.

How does the Sherlock’s Max Megaways feature work?

Randomly triggered, the Sherlock’s Max Megaways feature gives you the maximum 117,649 Megaways on a base game spin. A cascade then follows which increases the multiplier.