Shamrock Holmes Megaways

Shamrock Holmes Megaways

Play the detective and solve the case of the leprechaun’s misplaced pot of gold. The clue is in the free spins round if you should be so lucky to unlock the bonus game with 4 scatters. Once you’re in, unlimited multipliers will help you catch the game’s max win worth 28,000x your stake!
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What does John have to say?

Modelled on the popular mechanic, Shamrock Holmes Megaways has got plenty of Irish energy to charm you from the very first spin.

Leanna Madden


Leanna Madden

100% up to €300 + 25 Free Spins on Book of Dead

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  • Thumbs-Up Respins with guaranteed Megaways
  • Thumbs-Up Unlimited multipliers
  • Thumbs-Up 28,000x your stake potential
  • Thumbs-Down A clone of other Megaways slots
  • Thumbs-Down 4 scatters needed to trigger free spins

Shamrock Holmes Megaways Slot Review

Produced by All41 Studios and Microgaming, Shamrock Holmes is the developers’ first attempt at the widespread Megaways mechanics. Typical to the logistics of such releases, the slot runs on 6×7 rolling reels with an extra vertical reel added above the grid. As a result, reels 1 and 6 here can feature up to 7 symbols allowing for up to 117,649 varied ways to win on every spin. The immediate theme is classic Irish. These are entrusted to give you full access to some fun respin rounds while golden shamrocks will unlock the mysteries of the free spins bonus game.

SLOT FEATURES Free Spins, Respins, Increasing Multipliers
RELEASE DATE 8 December 2020
GAME PROVIDER Microgaming/All41 Studios
SLOT TYPE Video Slots
REELS, ROWS, PAYLINES 6 Reels, 7 Rows, 117,649 Ways to Win
BET LEVELS £0.20 – £20
MAXIMUM WIN 28,000x Your Stake
Shamrock Holmes Megaways screenshot of the reels and rows

Shamrock Holmes Megaways Bonus Features

As a Megaways edition, Shamrock Holmes has all the expected elements of a slot in this category, but it also has a touch of magic in its respin bonus round. There are a couple of special symbols here that could help you win in 10,000, 32,400 or 117,649 different ways guaranteed. But it’s the free spins bonus round that holds the key to some of the game’s biggest wins.


A rainbow-coloured wild operates during both the base game and the free spins round, but it can only appear on the extra horizontal reel. It substitutes for all paying symbols except scatters and the two premium symbols that trigger the respin round.


A gold coin with a lucky clover embossed on it acts as the game’s scatter and triggers the free spins round when 4 or more of them spin into view.

Free Spins

Triggered with golden coin scatters, the free spins bonus round starts with 10 free spins and a 2x multiplier added to your wins. Every additional scatter adds 2 more free spins during this round, and every winning tumble increases the multiplier 1x. There’s no limit to how high the multiplier can increase here. Additionally, landing 3 and 4 scatters on the extra top reel during the round awards 3 and 4 free spins respectively.


The Magic Forest Re-spin feature adds an extra layer of thrills to this Megaways slot when triggered with the right symbol combination. It provides you with a free respin coupled with a high number of guaranteed Megaways.

For example, land 3 scatters on the regular grid, alongside both leprechaun and pixie symbols on the extra reel, and you’ll activate a respin with 117,649 guaranteed Megaways. If you land 3 scatters on the grid together with a leprechaun symbol on the extra reel, you’ll benefit from a respin with 32,400 guaranteed Megaways. Land 3 scatters and a pixie and you’ll enjoy a respin with 10,000 guaranteed Megaways.

Shamrock Holmes Megaways Jackpot

The game’s max payout might not be titled as a jackpot but at 28,000x your stake on a single spin, it certainly deserves that praise. Get those unlimited multipliers rolling, and the max win could be yours for the taking.

RTP and Volatility

The combination of medium-high volatility and a pretty high RTP of 96.44% could work to your advantage when trying to achieve big wins here. But arm yourself with patience and don’t expect them to be very frequent in this game.

Where to Play Shamrock Holmes Megaways

Play Shamrock Holmes Megaways at Party Casino and Leo Vegas or browse our up-to-date top list to find many more fantastic online casinos with the developer’s games.

Shamrock Holmes Megaways on Mobile

Take Shamrock Holmes Megaways with you wherever you go. Optimised for all Android and iOS mobile devices, the game’s interface adapts to any screen size for the best online gaming experience.

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Leanna Madden is an expert in online slots, specializing in analyzing game providers and evaluating the quality and variety of slot games. With her extensive knowledge, she guides players to the best slot options, including high RTP slots and those with exciting bonus features. Leanna's insights help players make informed decisions and enjoy rewarding slot experiences at online casinos.

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