Shamrock Holmes Megaways Slot Review

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Game information


Shamrock Holmes











Shamrock Holmes Megaways is an online slot from All41 Studios. It’s a partner studio of Microgaming, that bought a license for the popular Megaways mechanic.

The playing field of Shamrock Holmes Megaways uses the Megaways Slots mechanic. The grid changes each time you press the Spin button. As such it generates a new setup with a new number of ways to win.

The top payout of Shamrock Holmes Megaways is huge at 28,000x of your stake. The betting is £0.20 and goes to £20.

There are always 6 reels, each reel holds between two and seven symbols. In an ideal real money slots world; you can get up to 117,649 ways to win!

Unlike many other Megaways online slots, Shamrock Holmes Megaways is medium variance. It’s perhaps medium to high, but not more than that. The other math model details make it soft as well.

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Banking-wise, you can choose from Visas, MasterCards, bank wires and even e-wallets like Skrill and Neteller.


RTP & Symbols

The RTP of the slots for real money is 96.44%, which is good. The hit frequency is at 35.34%. Therefore, you’ll receive a winning spin on every third spin more or less.

Shamrock Holmes Megaways provides an Irish twist for the classic Sherlock Holmes theme. It’s a fresh idea and one that we haven’t seen before, though the symbols aren’t too original.

The low-value symbols are only about card ranks, for one. The high-value symbols are thematic with their pixies, clovers and the detective. The production values are high and All41 Studios did its best, so there’s a lot to be happy about.

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Rolling Reels

All winning combos disappear from the reels automatically after a payout. This allows new symbols to fall in and replace them.

This can then lead to new winning combos and the process continues until no new ones appear. It’s also here that the slot’s extra horizontal reel that can have Wilds can come into play.

Magic Forest Respins

Whenever the right combo of Scatters and symbols pitch on the extra reel; you’ll trigger the Magic Forest Re-spin Feature. Moreover, it guarantees you a number of ways to win.

Three Scatters and pixie symbols on the extra reel awards a re-spin with 10,000 ways to win. Three Scatters with both Shamrock Holmes and pixie symbols on the extra reel; gives the max 117,649 ways to win.

Free Spins

If you manage to find four Scatters anywhere on the grid, you’ll get 10 free spins. In addition, each extra triggering Scatter adds two bonus free spins to your tally.

The feature also comes with a progressive win multiplier that starts at 2x. With each new winning combo, the multiplier value increases by 1+. There are no limits how high the multiplier values can go, so you can win big here!

During our initial test run it took us 70 spins to trigger the free spins feature for the first time. Thereafter, we did manage a few quick triggers but they payouts were not that hot.



Shamrock Holmes Megaways is an excellent effort and it’s the first Megaways slot from All41 Studios. There aren’t any new innovations, but all the features gel nicely.

The Megaways mechanic along with the Rolling Reels creates a bit of magic. But, it’s the free spins with the progressive win multiplier that’s responsible for the big wins.

If you’re looking for a Megaways treat that won’t overwhelm you with complexity. This online slot is kind of in-between for us. It won’t blow your bankroll away and neither will it boost it with massive wins. It’s one one of those ‘safe’ Megaways Slots.

However, we like the theme since it’s something unique. NetEnt is finally on the Megaways slots wagon. Even though the majority of the Megaways slots we’re disappointing for 2020.

Twin Spin Megaways is one of the better Megaways slot machines of late. It offers a jackpot of 10,000x, free spins with wild multipliers and cascades.

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