Here2Win Casino · Inspired Gaming · Australia
Shamrock Lock card on Boomerang Pokies
Australian punters can open the session page for Shamrock Lock pokie apart from this catalogue.
On Boomerang Pokies, Shamrock Lock is the Inspired Gaming pokie with a published RTP of 95.00% and a medium-to-high volatility label. Australian punters open the session at Here2Win Casino. One arvo in Melbourne is not that sample.
What this pokie is
Boomerang Pokies sends you out and back: read Shamrock Lock here, play it at Here2Win Casino, return to the same URL if you want the figures again. The pokie itself does not boomerang a loss into a win.
Inspired Gaming is the studio on the Shamrock Lock card. Everything else is how you choose to play it at Here2Win Casino. If the session feels fast, that matches a medium-to-high volatility pokie. Walk away on your own clock.
A fair session on Shamrock Lock is a run of spins with a stake you picked, not a plan to clear a bonus. Here2Win Casino may show its own welcome offer inside the account. If you do not want a bonus, do not tick it.
Stay on the Inspired Gaming page for Catch of the Day Respin 'Em In and for Golden Nugget Megaways.
The studio behind it
Inspired Gaming is the studio printed on Shamrock Lock. Boomerang Pokies lists 211 of their pokies for Australia, and this is one of them. Open that page if you want a neighbour title from the same studio.
Studio certification & mechanics
Inspired Gaming (Inspired Entertainment, Inc. (NASDAQ: INSE)) is an iGaming studio founded in 2002 and headquartered in London, United Kingdom & New York, USA. Its random number generators (RNG) and math models are audited by GLI, eCOGRA and certified across UKGC, MGA, AGCO (Ontario), HGC. Studio RTP policy: Standardised UK/EU RTP (~95.00%–95.80%).
In the Boomerang Pokies catalogue, Inspired Gaming accounts for 211 pokies, playable at Here2Win Casino. Across the 111 titles with a published return, the studio averages 95.16% RTP (spanning 94.00% to 97.30%, with 7 pokies at 96.5% or above). Signature studio mechanics include Fortune Bet, Big Spin Bonus, Spin Chance (sub-stake final spin), Cash Bank.
Technical layout for Shamrock Lock: 5×3 / 5×4 HTML5 video grid paired with Standard studio payline / ways structure, running natively in HTML5 across desktop, iOS, and Android browsers at Here2Win Casino.
Respins: Respin mechanics re-spin selected reels or the bonus board without drawing an additional base stake from the balance.
At Here2Win Casino
Here2Win Casino is the casino on this card. Beside Shamrock Lock the provider page lists 211 other Inspired Gaming pokies, all played at Here2Win Casino.
Published figures & technical specs
- Studio
- Inspired Gaming (211 in this catalogue)
- Published RTP
- 95.00%
- RTP band
- under 96%
- Volatility
- medium-to-high
- Features
- Respins
- House edge
- 5.00%
- Vs studio avg RTP
- -0.16% vs 95.16% avg (#41/111)
- Reel grid
- 5×3 / 5×4 HTML5 video grid
- Pay structure
- Standard studio payline / ways structure
- RNG testing labs
- GLI, eCOGRA
- Studio licences
- UKGC, MGA, AGCO (Ontario), HGC
- Platform
- HTML5 (Desktop, iOS & Android)
- Play at
- Here2Win Casino
- Stake
- A$
- Card updated
- 2026-10-29
Session math & RTP benchmark
The 95.00% published return on Shamrock Lock translates to a 5.00% mathematical house margin over millions of spins. Across 111 RTP-published Inspired Gaming titles in this catalogue, the studio average is 95.16%, placing Shamrock Lock at -0.16 percentage points (rank #41 of 111). Against the wider catalogue average of 95.80%, the delta is -0.80%. For real-money play at Here2Win Casino in A$, a practical bankroll buffer for this volatility tier is 200x–250x your base spin stake.
| Session volume | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins (A$1/spin) | A$100 | A$95.00 | A$5.00 | ~27–33 |
| 250 spins (A$1/spin) | A$250 | A$237.50 | A$12.50 | ~68–83 |
| 500 spins (A$1/spin) | A$500 | A$475.00 | A$25.00 | ~135–165 |
Pros and cons
Pros
- The studio is named: Inspired Gaming.
- The play button stays on boomerangpokies.com and then opens Here2Win Casino.
- The page keeps the studio figure 95.00% and does not round it.
- Volatility is marked medium-to-high volatility.
Cons
- Boomerang Pokies does not pay a win and does not take a deposit.
- A match amount is not a fact of the Shamrock Lock card.
- How often a spin returns something is not on this card.
How this pokie compares
| Title | Studio | Published RTP | RTP delta | Volatility | Grid |
|---|---|---|---|---|---|
| Shamrock Lock (this card) | Inspired Gaming | 95.00% | — | medium-to-high | 5×3 / 5×4 HTML5 video grid |
| Space Invaders · Highest RTP in Inspired Gaming | Inspired Gaming | 97.30% | +2.30% | high | 5×3 / 5×4 HTML5 video grid |
| Bear Money · Lower-volatility studio alternative | Inspired Gaming | 96.50% | +1.50% | low | 5×3 / 5×4 HTML5 video grid |
| Respin Lady · Same mechanic (Respins) | Apollo Games | 99.00% | +4.00% | medium | 5×3 / 5×4 HTML5 video grid |
Explore head-to-head comparisons → · Session bankroll calculator →
More from Inspired Gaming
Who it suits
A medium-to-high volatility pokie sits in the middle of the pack for pace. Shamrock Lock is an ordinary session game at Here2Win Casino, not a system.
How a session behaves
The return trip is just another session. Keep the A$ stake where you left the rule.
A normal session on Shamrock Lock is a run of spins you can afford to lose, not a plan to clear a welcome offer. Boomerang Pokies does not print a bonus figure it does not hold.
Questions
Does Here2Win Casino list Shamrock Lock for Australian punters?
Shamrock Lock is in the Boomerang Pokies list for Australia, and the session itself runs at Here2Win Casino. Use the play button rather than hunting the game by a different name.
What return does Shamrock Lock publish?
95.00% is the RTP printed for Shamrock Lock. Boomerang Pokies does not adjust that number and does not promise it over one visit to Here2Win Casino.
How volatile is Shamrock Lock?
The card says medium-to-high volatility. That describes the spread of results, not how often a feature 'should' hit on a Tuesday night.
Who makes Shamrock Lock?
The provider is Inspired Gaming. Other Inspired Gaming pokies on Boomerang Pokies sit on the same provider page if you want a neighbour title.
Does Boomerang Pokies take the stake?
Boomerang Pokies is a catalogue. The stake in A$ is placed at Here2Win Casino after you follow the play button. This page does not hold a balance.
Does Shamrock Lock work on mobile in Australia?
Punters in Melbourne mostly open Shamrock Lock from a phone. Boomerang Pokies does not ship a separate app. The button hands the pokie to Here2Win Casino.
What currency is the stake on Shamrock Lock?
You choose the A$ stake after Here2Win Casino loads Shamrock Lock. This catalogue page never takes the money.
Is there a demo of Shamrock Lock on this page?
This page is the written card. It does not run the reels, free or paid. Play happens at Here2Win Casino.
Why is there no star rating for Shamrock Lock?
No score is printed on purpose. A star would be a house opinion. The page sticks to the studio, the published RTP when the card has one, and the volatility label.
Does Shamrock Lock remember my last session?
Nothing on this page is a timer for a feature. If the last session went badly, the next one does not owe you the difference.
How old do I have to be to play Shamrock Lock?
The page is written for adults in Australia. Gambling can harm. Stop when the session stops being a choice.
Where does the click on Shamrock Lock go?
The click stays on boomerangpokies.com first, then opens Shamrock Lock at Here2Win Casino. The partner address is not printed in the article.
Where are the other Inspired Gaming games?
Boomerang Pokies lists 211 pokies from Inspired Gaming for Australia. Shamrock Lock is one of them. The provider page holds the rest.
Is Shamrock Lock different in another Australian city?
Sydney or Perth sees the same card. The only local pieces are the language, the A$ stake and the payment names such as PayID.
Does this page list a welcome offer?
Boomerang Pokies will not print a match amount or a spin count for Shamrock Lock. Those terms belong to the casino, and they change.
Is this the same machine I would find in a club?
No. Shamrock Lock on Boomerang Pokies is an online pokie opened at Here2Win Casino. It is not a machine on a club floor and it does not carry a local sticker.
How do I stop a session on Shamrock Lock?
Set an A$ limit and a clock before the first spin, then close the game when either one is reached. Shamrock Lock will not close itself.
Why does Shamrock Lock have a pros and cons list?
It splits what the card publishes from what Boomerang Pokies refuses to invent. A printed RTP is listed because it is a source figure. A missing hit rate is named as a limit, not filled in.
What should I read before I open Shamrock Lock?
The preview is the same card, shortened. It is not a tip and it does not know how your session in Melbourne will finish.
How do I open the right Shamrock Lock?
This page is only Shamrock Lock. The play button follows that name, not a shorter guess.
How many reels and paylines does Shamrock Lock have?
A count of free spins and a bonus-buy price are also absent. Those numbers stay off the page.
Which feature labels are on Shamrock Lock?
Respins is the whole feature list for Shamrock Lock. A label is not a price and not a description of the round.
Stake and the cashier
Leaving for Here2Win Casino is the payment step. Boomerang Pokies does not hold a POLi or PayID balance in between.
PayID, POLi and the usual cards are named because Australian punters ask about them. boomerangpokies.com does not take the deposit. The button only hands the session across.
How you open it
- Open Shamrock Lock from the play button. The click stays on boomerangpokies.com, then Here2Win Casino loads the pokie.
- Set the stake in A$ before the reels move. A smaller stake just makes a medium-to-high volatility pokie last longer.
- Stop on a clock you set in Melbourne, not when the pokie 'looks due'.
Filed under
Features Respins
Playing this pokie
Search the lobby for Shamrock Lock, the full title on this card. A shorter search can load a different Inspired Gaming title.
The card does not publish a maximum win, a reel count, a payline count, a count of free spins, or a bonus-buy price. Boomerang Pokies leaves those fields empty.
Australian punters play this pokie in the browser at Here2Win Casino, stake in A$. boomerangpokies.com does not host the reels.
Shamrock Lock is tagged Respins. Those words are the only feature facts on the card.