Shamrock Lock

Review, Demo Play, Payout, Free Spins & Bonuses

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  • Stacked Wilds
  • Guaranteed win on Wonder Spin
  • Autoplay function
  • No multipliers
  • No jackpot

Shamrock Lock is an online slot developed by Inspired Gaming. Shamrock Lock has 5 reels, 3 rows and 10 paylines. Features include Wilds, Stacked Symbols, Bonus Games and Free Spins. The RTP is 96.5% but at the time of writing, there is no volatility information available.


Shamrock Lock has a 5x3 reel set-up and the game has 10 paylines. There are a range of symbols on the reels to line up on the paylines in order to win prizes and trigger the bonus features. The game has a range of symbols: 5 standard paying symbols which pay out for 3 or more on a payline, 1 top paying symbol (the Shamrock Luck symbol) pays out for 2 or more on a payline plus a couple of special symbols. Firstly, there is Wild that appears on reel 3 only to increase winning opportunities and this symbol can trigger the bonus. There is also a mystery symbol, which reveals one of the other symbols (not the Wild).

If you like the sound of Shamrock Lock, you can try it out for free here at Slots Temple. It is just one of many other Inspired Gaming free slot games that we have available in demo mode, offering you the chance to enjoy all the fun of the game features with no risk of losing any money.

Theme, Graphics & Soundtrack

Anyone playing slot games wants some luck on their side and Shamrock Lock has plenty of that as this is an Irish/luck themed slot game. The game is full of symbols synonymous with luck, so we have pots of gold, horseshoes, a leprechaun’s top hat and a golden shamrock. The game also features a toadstool and a red number 7—the classic lucky slot symbol! The reels are set on a black background and the Irish theme is evident with reels surrounded by emerald green which gives the game a striking look and play is accompanied by some typical slot sound effects and some Irish style music. 

If Irish and luck themed slots appeal to you, you might want to try some other slot demos such as the Rainbow Riches Megaways slot, from Barcrest. This slot has the excitement of the megaways mechanic plus four entertaining bonus features.

Shamrock Lock

Shamrock Lock RTP and Variance 

Shamrock Luck has an RTP rate of 96.5% but there is no volatility information available at the time. 

How to Play Shamrock Lock

Before you start playing, you might like to check the guide below on getting started Shamrock Lock:

  1. The game has 10 fixed paylines and this is displayed on the left side of the reels.
  2. At the top of the reels, the Balance and Total Bet is displayed.
  3. On the right-hand side of the reels there are some game control buttons. The options button opens the main game controls, allowing players to turn the turbo mode and sound on and off, and provides options for players to view the slot’s paytable and paylines, game information and history.
  4. The Auto button gives options to set the number of times you want the reels to turn automatically and stop limits. 
  5. The bet can be adjusted by clicking on the arrows in the Total Bet window.
  6. Pressing the Fortune Bet button will turn the Fortune Bet feature on and this increases the total bet.
  7. When everything has been set, just press the green Spin button and enjoy the slot responsibly.

Bet Sizes & Paytable Wins 

The minimum bet a player can place on Shamrock Lock is 0.1 and the maximum is 200.

All of the symbols except the top paying symbol pay for 3 or more of a kind on a payline. Here are the pay values respectively for 3, 4 or 5:

Toadstool - 10, 40, 150

Hat - 5, 20, 100

Horseshoe - 5, 20, 100

7 pot of gold - 20, 100, 200

The Shamrock Luck symbol pays out for 2, 3, 4, 5 or 6 on a payline:

Shamrock Luck - 10, 100, 200, 500

Shamrock Luck Features 

Fortune Bet and Lock ‘n’ Roll

Players can choose to activate the Fortune Bet (by pressing the button) and this will increase the total bet by 50% and provides the opportunity to experience the Lock ‘n’ Roll feature. Lock ‘n’ Roll can activate randomly on any spin and reels 1, 2, 3 lock together with the same symbol on all reels. Reels 4 and 5 may then also lock to really increase the opportunities for wins.

Wonder Spin

Wilds can appear stacked on reel 3 and if the reel shows a full stack of Wilds, it triggers the Wonder Spin bonus, which offers a maximum of 2 Re-Spins, the first spin will have reel 2 and reel 4 as Wilds. If a win occurs on the first spin, the feature is over but if no win occurs, players are given the second spin, which has reels 1, 3 and 5 as Wilds and a win is guaranteed on this spin.

Mystery Symbol

When the reels stop, any mystery symbols in view will all transform into the same symbol (one of the standard symbols, not the Wild symbol) giving players more chances to form winning combinations.

Shamrock Lock Review

Shamrock Lock is an entertaining Irish themed slot from Inspired Gaming and it offers players an enjoyable gaming experience. The base game can be livened up with the Fortune Bet feature for those who want to increase their bet for a great chance of rewards, which adds extra interest, and the Wonder Spins bonus guarantees a win so this is what makes it appealing. 

Disclaimer: Shamrock Lock trademark / license is owned by Inspired. This site is not endorsed by Inspired.

* Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino before making a deposit.

Slot Data
Slot Name: Shamrock Lock
Software: Inspired
RTP: 96.50%
Paylines: 10
Reels: 5
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £200 (GBP)
Top Win: 10000
Features: Bonus Game , Wild Symbol , Free Spins , 5 Reels
UK Available in GB? Yes. Inspired have a UKGC license and are allowed to offer their games at UK licensed casinos.


What is the RTP of Shamrock Lock?

Shamrock Lock has an RTP of 96.5%

How volatile is Shamrock Lock?

There is currently no information on volatility.

Does Shamrock Lock have a free spins bonus round?

Shamrock Lock has a Wonder Spin Re-Spin bonus which is activated by a full stack of Wilds on reel 3 and this offers a maximum of 2 spins and guarantees a win.

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