Shamrock Holmes Megaways Online Slot

Published: Nov 27th, 2020 | Updated: Apr 6th, 2021
Game Provider: Microgaming
Slot Info
RTP: 96.44%
Volatility: High
Maximum win: $ 560000.00
Progressive Jackpot:
Bonus Feature:
Theme: Magic, Irish Luck
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Slot Setup and Betting Options

  • 7 Reels
  • Autoplay Option
  • 3D Graphics
  • Mobile Version
  • 08.12.2020 Release Date
  • $ 0.20 Minimum Bet
  • $ 20.00 Maximum Bet
  • Win Both ways

Shamrock Holmes Megaways Online Slot Review

A wood-effect grid of symbols floats in the air, surrounded by trees. This is the setting for the Shamrock Holmes Megaways slot machine, which you can visit on PCs, or on mobiles using the Android, iOS, and Windows operating systems at the best mobile casinos. Perhaps the first thing you will notice is that each reel has a different number of symbols on it, and that’s down to the Megaways system, used by All41 Studios under license from Big Time Gaming.

You could see as few as 2 or as many as 7 symbols on a reel at any time, and it gets easier to claim a win with more symbols creating more ways. Those symbols are largely made up of playing card icons, in a vaguely Celtic style, along with flowers, a pixie, clover, and Shamrock Holmes. He’s a cheerful guy in green tweed and a deerstalker hat, holding a magnifying glass.

Gold coins combined with the pixie, Shamrock, or both, trigger respins with a high number of Megaways guaranteed. Rolling Reels can give you win after win, and during a free games feature, a multiplier rises on each Roll in a series. It’s here that you are most likely to land a vast 28,000x your wager at one of the top New Jersey and top Pennsylvania online casinos.

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How to Play the Shamrock Holmes Megaways Slot

Like many Megaways slots, the wager range is somewhat limited, with options from 0.20 to 20.00 per spin. You simply click the little stack of coins on the control panel to open up the various wager options, and once you pick a level, you’re ready to play.

The double arrow button activates automatic spins, and the 9 dots tab takes you to the Shamrock Holmes Megaways slot paytable. This reveals how much you win from matching symbols anywhere on adjacent reels from the left side. Shamrock Holmes pays the most, returning 50x your wager for a series of 6 across all reels.

It’s all very easy to manage, and works just as well across the desktop and mobile versions.

Free Spins & Other Features of the Shamrock Holmes Megaways Slot

A golden ‘W’ can act as others if needed, but only appears on a horizontally-spinning reel above the middle 4 main reels. All symbols in a win will vanish and in a Rolling Reels system new ones drop down to fill the spaces, potentially creating a new win and triggering further rolls, with no limit to how many.

The gold coin with a clover is a scatter symbol, and if 3 land at the same time as the pixie, you get a Magic Forest Respin, with a guaranteed 10,000 ways to win across the reels. If the coins land at the same time as Shamrock Holmes, there’s 32,400 ways in the respin, and if both characters are on the triggering spin, the maximum 117,4649 Megaways are active for a free spin.

Four gold coins trigger 10 free games with an initial 2x multiplier on any win. During this round, the respins can still trigger, and any wins in a Rolling Reels series will activate a multiplier that rises by 1x in each. Once again, there’s no limit to how many Rolls you can trigger, so theoretically, no limit to how high the multiplier can climb.

Slot Features

  • Multipliers
  • Scatters
  • Wild symbol
  • Free Spins
  • Megaways
  • Re-spins
  • Cascading Reels
  • Quickspin
  • Gamble feature
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Maximum Wins, RTP, & Volatility of the Shamrock Holmes Megaways Slot

Despite the theoretical unlimited multipliers, the maximum possible win is set at 28,000x your stake, or 560,000.00 at the 20.00 wager level. Shamrock Holmes Megaways is a high volatility game and there’s an average return to players percentage of 96.44%.

Our Shamrock Holmes Megaways Slot Machine Verdict

The Irish theme, exciting features, and potential to grab vast win multipliers are just some of the attractions of the Shamrock Holmes Megaways slots game. Rolling Reels are a good way to claim several wins in a row, and the respins with a guaranteed number of Megaways will usually be enough to create a decent win. In the free spins, with rising multipliers, the Rolling Reels become even more valuable.

Help Shamrock Holmes to discover the biggest wins when you play this PC and mobile-optimized slot at the recommended Pennsylvania slots sites and New Jersey slots sites featured here.

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Meet Our Slot Tester

Bill Speros

Senior Producer at

With more than 30 years of experience in Sports journalism and online gaming, Bill has put a bevy of slot games through their paces. He focuses on getting a jump on what sets games apart from a jackpot, feature and thematic standpoint ahead of their release.

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