Here2Win Casino · SlotoLand · Australia
Pokies Vault entry for Secret Book of the Island
Australian punters can open the session page for Secret Book of the Island pokie apart from this catalogue.
Pokies Vault files Secret Book of the Island as a high-volatility pokie from SlotoLand for Australian punters who play at Here2Win Casino. The published RTP is 95.00%. A single arvo on the reels can sit well above or below it.
More from SlotoLand
How this pokie compares
| Title | Studio | Published RTP | RTP delta | Volatility | Grid |
|---|---|---|---|---|---|
| Secret Book of the Island (this card) | SlotoLand | 95.00% | — | high | 5×3 classic video grid |
| Drunk Skunk · Highest RTP in SlotoLand | SlotoLand | 96.10% | +1.10% | medium | 5×3 / 5×4 HTML5 video grid |
| Book of Bonanza · Same mechanic (Expanding Symbols) | SmartSoft | 97.60% | +2.60% | medium-to-high | 5×3 classic video grid |
Explore head-to-head comparisons → · Session bankroll calculator →
At Here2Win Casino
Secret Book of the Island is a SlotoLand pokie at Here2Win Casino. Pokies Vault keeps the Australian figures for it: studio, RTP when the card has one, and volatility. The button opens the game at Here2Win Casino.
One more name on the SlotoLand list is Fiery Horse.
Published figures & technical specs
- Studio
- SlotoLand (191 in this catalogue)
- Published RTP
- 95.00%
- RTP band
- under 96%
- Volatility
- high
- Features
- Expanding Symbols and Mystery Symbols
- House edge
- 5.00%
- Vs studio avg RTP
- -0.17% vs 95.17% avg (#72/131)
- Reel grid
- 5×3 classic video grid
- Pay structure
- 10 paylines
- RNG testing labs
- Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards)
- Studio licences
- Certified RNG for regulated international casino markets
- 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 Secret Book of the Island translates to a 5.00% mathematical house margin over millions of spins. Across 131 RTP-published SlotoLand titles in this catalogue, the studio average is 95.17%, placing Secret Book of the Island at -0.17 percentage points (rank #72 of 131). Against the wider catalogue average of 95.80%, the delta is -0.80%. When sizing a session at Here2Win Casino in A$, keeping 250x–350x the unit stake covers normal variance swings.
| Session volume | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins (A$1/spin) | A$100 | A$95.00 | A$5.00 | ~21–26 |
| 250 spins (A$1/spin) | A$250 | A$237.50 | A$12.50 | ~53–65 |
| 500 spins (A$1/spin) | A$500 | A$475.00 | A$25.00 | ~105–130 |
Pros and cons
Pros
- The studio is named: SlotoLand.
- Stake for Australian punters is in A$ at Here2Win Casino.
- The page keeps the studio figure 95.00% and does not round it.
- Volatility is marked high-volatility.
Cons
- This page is a catalogue. It does not hold an A$ balance.
- A match amount is not a fact of the Secret Book of the Island card.
- How often a spin returns something is not on this card.
- A short session can sit a long way from the published return.
The studio behind it
If you only needed the maker, it is SlotoLand. Here2Win Casino does not rebadge the game. The provider page is the clean list.
Studio certification & mechanics
SlotoLand (SlotoLand Studio) is an iGaming studio headquartered in International iGaming Studio. Its random number generators (RNG) and math models are audited by Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards) and certified across Certified RNG for regulated international casino markets. Studio RTP policy: Published per-title theoretical RTP where provided on the studio sheet.
In the Pokies Vault catalogue, SlotoLand accounts for 191 pokies, playable at Here2Win Casino. Across the 131 titles with a published return, the studio averages 95.17% RTP (spanning 94.50% to 96.10%, with 0 pokies at 96.5% or above). Signature studio mechanics include HTML5 video slot math, mobile-first reel layouts, and bonus feature triggers.
Technical layout for Secret Book of the Island: 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.
Mystery Symbols: Mystery symbols land in groups and transform simultaneously into the same randomly chosen pay symbol at the end of the spin.
What this pokie is
Pokies Vault files Secret Book of the Island as a record: studio SlotoLand, then the numbers the card actually has, then the door to Here2Win Casino. Guessing would break the point of the page.
Read this as a catalogue entry, not a tip. Secret Book of the Island still runs at Here2Win Casino, stake in A$, after the button on pokiesvault.com.
Secret Book of the Island is filed under video on the Australian list Pokies Vault keeps for Here2Win Casino. It is an online pokie, not a machine on a club floor. PayID, POLi and the usual cards are the payment names Australian punters already know.
How you open it
- Open Secret Book of the Island from the play button. The click stays on pokiesvault.com, then Here2Win Casino loads the pokie.
- Set the stake in A$ before the reels move. A smaller stake just makes a high-volatility pokie last longer.
- Stop on a clock you set in Melbourne, not when the pokie 'looks due'.
Questions
Where do I open Secret Book of the Island if I am in Australia?
Secret Book of the Island is in the Pokies Vault 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 is the RTP of Secret Book of the Island?
95.00% is the RTP printed for Secret Book of the Island. Pokies Vault does not adjust that number and does not promise it over one visit to Here2Win Casino.
How volatile is Secret Book of the Island?
The card says high-volatility. That describes the spread of results, not how often a feature 'should' hit on a Tuesday night.
Who makes Secret Book of the Island?
The provider is SlotoLand. Other SlotoLand pokies on Pokies Vault sit on the same provider page if you want a neighbour title.
Where does the A$ stake actually go?
Pokies Vault 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 Secret Book of the Island work on mobile in Australia?
Yes. The play button on pokiesvault.com is the same on a phone as on a desktop. The session then runs at Here2Win Casino, and the stake is still in A$.
What currency is the stake on Secret Book of the Island?
You choose the A$ stake after Here2Win Casino loads Secret Book of the Island. This catalogue page never takes the money.
Can I try Secret Book of the Island here without an account?
This page is the written card. It does not run the reels, free or paid. Play happens at Here2Win Casino.
Does Pokies Vault score Secret Book of the Island?
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 Secret Book of the Island remember my last session?
No. Secret Book of the Island does not store the night you had in Melbourne, and it is not due. A published RTP describes a very long run of spins, not the next one.
How old do I have to be to play Secret Book of the Island?
18+. Pokies Vault is a catalogue, and Here2Win Casino is where the session runs. Do not open the pokie if you are under 18.
What does the play button actually do?
Pokies Vault records the page you were on and sends you to Here2Win Casino with Australia already on the trail.
How many SlotoLand pokies are in this catalogue?
Use the provider link under the title. That list is the same studio, not a random mix, and each title opens at Here2Win Casino.
Does it matter that I am in Melbourne?
No. Melbourne is named because readers are there. It is not a setting inside Secret Book of the Island, and it does not change the RTP.
Does this page list a welcome offer?
Pokies Vault will not print a match amount or a spin count for Secret Book of the Island. 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 SlotoLand. It does not claim a venue in Melbourne.
When should I close Secret Book of the Island?
Set an A$ limit and a clock before the first spin, then close the game when either one is reached. Secret Book of the Island will not close itself.
Why does Secret Book of the Island have a pros and cons list?
The block is a reading aid for Secret Book of the Island, 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.
Which part of the Secret Book of the Island page is the preview?
Start with the short answer under the title, then the fact list. Both should agree: studio SlotoLand, and RTP only when the card has one. The pros and cons repeat that split in plain lines.
Will a shorter name still open Secret Book of the Island?
This page is only Secret Book of the Island. The play button follows that name, not a shorter guess.
How many reels and paylines does Secret Book of the Island have?
A count of free spins and a bonus-buy price are also absent. Those numbers stay off the page.
What features does the Secret Book of the Island card list?
Expanding Symbols and Mystery Symbols is the whole feature list for Secret Book of the Island. A label is not a price and not a description of the round.
How a session behaves
Use the figures first and the mood never. Secret Book of the Island at Here2Win Casino is still only a session with an A$ stake.
Secret Book of the Island has no memory of last night. Set the loss limit before the first spin. A published RTP, when the card has one, is a long sample, not one arvo.
Stake and the cashier
The vault does not store deposits. PayID and cards are a Here2Win Casino matter once pokiesvault.com has handed you over.
PayID, POLi and the usual cards are named because Australian punters ask about them. pokiesvault.com does not take the deposit. The button only hands the session across.
Who it suits
A high-volatility pokie suits a short session with a small A$ stake. The balance tends to move in lumps, so Secret Book of the Island is a poor place to try to win a loss back.
A high pace figure is the entry rule for the high volatility list.
Filed under
Features Expanding Symbols Mystery Symbols
Playing this pokie
Search the lobby for Secret Book of the Island, the full title on this card. This page is only the Secret Book of the Island 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. Pokies Vault leaves those fields empty.
Australian punters play this pokie in the browser at Here2Win Casino, stake in A$. pokiesvault.com does not host the reels.
Secret Book of the Island is tagged Expanding Symbols and Mystery Symbols. Those words are the only feature facts on the card.