Here2Win Casino · IGT · Australia
The Boomerang Pokies page for Book of the Sphinx
Australian punters can open the session page for Book of the Sphinx pokie apart from this catalogue.
Boomerang Pokies writes up Book of the Sphinx, a IGT pokie, for Australian punters who open it at Here2Win Casino. No RTP is published on this card, so the page sticks to the studio, the volatility label and how a session is actually opened.
What this pokie is
Boomerang Pokies sends you out and back: read Book of the Sphinx here, play it at Here2Win Casino, return to the same URL if you want the figures again. The name is the catalogue, not a mechanic.
Read this as a catalogue entry, not a tip. Book of the Sphinx still runs at Here2Win Casino, stake in A$, after the button on boomerangpokies.com.
Book of the Sphinx is the IGT pokie Boomerang Pokies writes up for punters who open it at Here2Win Casino. Nothing on this page is a second RTP invented for Australia.
The studio behind it
IGT is the studio printed on Book of the Sphinx. Boomerang Pokies lists 249 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
IGT (International Game Technology PLC) is an iGaming studio founded in 1975 and headquartered in London, UK & Las Vegas, USA. Its random number generators (RNG) and math models are audited by GLI, eCOGRA, BMM Testlabs and certified across UKGC, MGA, AGCO (Ontario), Nevada GCB, Alderney. Studio RTP policy: MultiWay Xtra and configurable RTP bands (typically 94.00%–96.50%).
In the Boomerang Pokies catalogue, IGT accounts for 249 pokies, playable at Here2Win Casino. Across the 21 titles with a published return, the studio averages 95.35% RTP (spanning 89.00% to 96.42%, with 0 pokies at 96.5% or above). Signature studio mechanics include MultiWay Xtra (720 / 1,024 ways), Dual Play, Stacked Wilds, Tumbling Thru.
Technical layout for Book of the Sphinx: 5×3 classic video grid paired with 10 paylines, running natively in HTML5 across desktop, iOS, and Android browsers at Here2Win Casino.
Expanding Symbols: Expanding symbol mechanics select one or more pay symbols that stretch vertically to cover the full reel when enough instances land.
At Here2Win Casino
Book of the Sphinx is a IGT pokie at Here2Win Casino. Boomerang Pokies keeps the Australian figures for it: studio, RTP when the card has one, and volatility. The button opens the game at Here2Win Casino.
IGT also has Wolf Run Eclipse on this list, with Lots of Likes further along.
Published figures & technical specs
- Studio
- IGT (249 in this catalogue)
- Features
- Expanding Symbols
- Studio average RTP
- 95.35% (across 21 titles)
- Reel grid
- 5×3 classic video grid
- Pay structure
- 10 paylines
- RNG testing labs
- GLI, eCOGRA, BMM Testlabs
- Studio licences
- UKGC, MGA, AGCO (Ontario), Nevada GCB, Alderney
- Platform
- HTML5 (Desktop, iOS & Android)
- Play at
- Here2Win Casino
- Stake
- A$
- Card updated
- 2026-10-29
Session math & RTP benchmark
Book of the Sphinx does not carry an individual published RTP on its source sheet, so no single-title percentage is guessed. Across the 21 IGT titles that do publish a return in this catalogue, the studio average is 95.35% (ranging from 89.00% to 96.42%). For a balanced session at Here2Win Casino, a bankroll buffer of 150x–200x the A$ unit stake suits this pokie's profile.
| Session volume | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins (A$1/spin) | A$100 | A$95.35 | A$4.65 | ~27–33 |
| 250 spins (A$1/spin) | A$250 | A$238.38 | A$11.63 | ~68–83 |
| 500 spins (A$1/spin) | A$500 | A$476.75 | A$23.25 | ~135–165 |
Pros and cons
Pros
- The studio is named: IGT.
- Stake for Australian punters is in A$ at Here2Win Casino.
- The rest of IGT is one provider page away.
Cons
- Boomerang Pokies does not pay a win and does not take a deposit.
- A match amount is not a fact of the Book of the Sphinx card.
- No published RTP is on this card, so none is guessed.
- Volatility is not on the source card.
How this pokie compares
| Title | Studio | Published RTP | RTP delta | Volatility | Grid |
|---|---|---|---|---|---|
| Book of the Sphinx (this card) | IGT | — | — | — | 5×3 classic video grid |
| Cash Eruption Power Surge · Highest RTP in IGT | IGT | 96.42% | — | — | 5×3 / 5×4 HTML5 video grid |
| Book of Bonanza · Same mechanic (Expanding Symbols) | SmartSoft | 97.60% | — | medium-to-high | 5×3 classic video grid |
Explore head-to-head comparisons → · Session bankroll calculator →
More from IGT
Who it suits
This card does not carry a volatility mark, so Boomerang Pokies does not guess who Book of the Sphinx suits. The studio is IGT. The session still opens at Here2Win Casino.
How a session behaves
Coming back to Book of the Sphinx later does not make it due. Keep the A$ stake where you left the rule.
Same pokie, different Saturday. Walk away while the stake in A$ is still a choice.
Questions
Where do I open Book of the Sphinx if I am in Australia?
Book of the Sphinx 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 provider is behind Book of the Sphinx?
The provider is IGT. Other IGT pokies on Boomerang Pokies sit on the same provider page if you want a neighbour title.
Is this page the casino, or a catalogue?
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 Book of the Sphinx work on mobile in Australia?
Punters in Perth mostly open Book of the Sphinx from a phone. Boomerang Pokies does not ship a separate app. The button hands the pokie to Here2Win Casino.
Is Book of the Sphinx staked in A$?
At Here2Win Casino the stake for Australian players is in A$. Boomerang Pokies does not convert it and does not print a minimum, because the minimum is set inside the game.
Is there a demo of Book of the Sphinx on this page?
No. Boomerang Pokies does not embed a demo of Book of the Sphinx. The button opens the pokie at Here2Win Casino. Any practice mode, if one exists, is inside that account, not on boomerangpokies.com.
Why is there no star rating for Book of the Sphinx?
Book of the Sphinx is not ranked against other pokies on Boomerang Pokies. Use the figures on the card, not a badge.
Can Book of the Sphinx be due for a win?
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 Book of the Sphinx?
18+. Boomerang Pokies is a catalogue, and Here2Win Casino is where the session runs. Do not open the pokie if you are under 18.
Where does the click on Book of the Sphinx go?
Boomerang Pokies records the page you were on and sends you to Here2Win Casino with Australia already on the trail.
How many IGT pokies are in this catalogue?
Boomerang Pokies lists 249 pokies from IGT for Australia. Book of the Sphinx is one of them. The provider page holds the rest.
Does it matter that I am in Perth?
No. Perth is named because readers are there. It is not a setting inside Book of the Sphinx, and it does not change the RTP.
Does this page list a welcome offer?
Boomerang Pokies will not print a match amount or a spin count for Book of the Sphinx. Those terms belong to the casino, and they change.
Is this the same machine I would find in a club?
The page describes the online title from IGT. It does not claim a venue in Perth.
When should I close Book of the Sphinx?
A normal stop is the one you decided in advance. Do not wait for the pokie to look due.
Why is there no RTP for Book of the Sphinx?
No estimate is offered. An invented RTP would make the catalogue worse. The studio is still IGT, and play is still at Here2Win Casino.
What is the pros and cons block on Book of the Sphinx?
The block is a reading aid for Book of the Sphinx, not a rating. Pros are facts on the card or about the catalogue. Cons are the gaps and the limits, including that this page is not the cashier.
What should I read before I open Book of the Sphinx?
Start with the short answer under the title, then the fact list. Both should agree: studio IGT, and RTP only when the card has one. The pros and cons repeat that split in plain lines.
How do I open the right Book of the Sphinx?
This page is only Book of the Sphinx. The play button follows that name, not a shorter guess.
What is the maximum win on Book of the Sphinx?
A count of free spins and a bonus-buy price are also absent. Those numbers stay off the page.
Which feature labels are on Book of the Sphinx?
Expanding Symbols is the whole feature list for Book of the Sphinx. 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.
The A$ stake is chosen inside Book of the Sphinx at Here2Win Casino. A catalogue can name PayID and still not run PayID.
How you open it
- Open Book of the Sphinx 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 pokie last longer.
- Stop on a clock you set in Perth, not when the pokie 'looks due'.
Filed under
Features Expanding Symbols
Playing this pokie
Open the full name Book of the Sphinx in the Here2Win Casino lobby. This page is only the Book of the Sphinx card.
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.
Feature labels on this card: Expanding Symbols. A label is a name, not a price and not a description of the round.