Here2Win Casino · SlotoLand · New Zealand
Mottle Fen entry for Secret Book of the Island
Kiwi players can open the session page for Secret Book of the Island pokie apart from this catalogue.
Mottle Fen records Secret Book of the Island for New Zealand: SlotoLand, high-volatility, published RTP 95.00%. Kiwi players continue at Here2Win Casino, stake in NZ$. A session that starts in Wellington is not that sample.
What this pokie is
Mottle Fen writes the Secret Book of the Island entry for this host. SlotoLand made it. Here2Win Casino is where it is played. The stake shows as NZ$.
If you came for a single fact, use the list under the title. Secret Book of the Island, SlotoLand, New Zealand, Here2Win Casino.
Mottle Fen keeps the New Zealand page for Secret Book of the Island on its own host. Kiwi players get pokie, NZ$ and POLi named in this copy, in this order. The play button still ends at Here2Win Casino.
Studio
If the only question was who built Secret Book of the Island, the answer is SlotoLand. Here2Win Casino does not either.
Secret Book of the Island technical specs, SlotoLand RNG audit & myth-busting rules
Secret Book of the Island is engineered by SlotoLand on a 5×3 classic video grid (10 paylines) architecture with independent RNG certification from Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards) under Certified RNG for regulated international casino markets regulatory frameworks.
SlotoLand (SlotoLand Studio) is an iGaming studio headquartered in International iGaming Studio. Its random number generators (RNG) and math sheets 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 Mottle Fen catalogue, SlotoLand accounts for 191 pokies, playable at Here2Win Casino (here2win.com.au). 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.
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.
At Here2Win Casino
Here2Win Casino is the casino named on this card. 191 other SlotoLand pokies are grouped with Secret Book of the Island, and they are played at Here2Win Casino.
Sea Battles: Hold and Win sits on the same SlotoLand page.
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
- NZ$
- Card updated
- 2026-11-04
The rank on the card matches the high volatility list.
Secret Book of the Island RTP (95.00%), house edge & 500-spin session math
Secret Book of the Island by SlotoLand returns a published 95.00% RTP (5.00% house edge) across a 5×3 classic video grid layout and calls for a 250x–350x bankroll buffer in NZ$ at Here2Win Casino (here2win.com.au).
This SlotoLand release stands at -0.17 percentage points against the 95.17% studio average across 131 RTP-published titles (rank #72 of 131). The high-volatility pokie distributes payouts according to its certified reel weightings. Its 95.00% math model requires a 250x–350x unit-stake buffer to absorb standard variance swings. Players launch Secret Book of the Island in NZ$ at Here2Win Casino (here2win.com.au) with full HTML5 desktop and mobile parity.
| Session volume & entity | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins on Secret Book of the Island (NZ$1/spin @ 95.00% RTP) | NZ$100 | NZ$95.00 | NZ$5.00 | ~21–26 |
| 250 spins on Secret Book of the Island (NZ$1/spin @ 95.00% RTP) | NZ$250 | NZ$237.50 | NZ$12.50 | ~53–65 |
| 500 spins on Secret Book of the Island (NZ$1/spin @ 95.00% RTP) | NZ$500 | NZ$475.00 | NZ$25.00 | ~105–130 |
Pros and cons
Pros
- SlotoLand is the studio on the card.
- The stake for Kiwi players is in NZ$.
- The published RTP 95.00% is printed as it came on the card.
- high-volatility is visible before you set an NZ$ stake.
Cons
- The account is at Here2Win Casino.
- No bonus number is made up on this page.
- Hit rate is unpublished for Secret Book of the Island.
- A short NZ$ session can land far from the published RTP.
Secret Book of the Island vs SlotoLand average & peer pokie comparison
Compared against direct studio and mechanic peers, Secret Book of the Island (95.00%) benchmarks directly against Drunk Skunk (96.10%, SlotoLand) across its 5×3 classic video grid layout at Here2Win Casino (here2win.com.au).
| Title & spec anchor | Studio | Published RTP | Delta vs Secret Book of the Island | Volatility | Grid |
|---|---|---|---|---|---|
| Secret Book of the Island (this card) | SlotoLand | 95.00% | — | high | 5×3 classic video grid |
| Drunk Skunk 96.10% RTP medium pokie · Highest RTP in SlotoLand vs Secret Book of the Island | SlotoLand | 96.10% | +1.10% | medium | 5×3 / 5×4 HTML5 video grid |
| Book of Bonanza 97.60% RTP medium-to-high pokie · Same mechanic (Expanding Symbols) vs Secret Book of the Island | SmartSoft | 97.60% | +2.60% | medium-to-high | 5×3 classic video grid |
- Alongside Secret Book of the Island (95.00%), review the Drunk Skunk 96.10% SlotoLand pokie card available at Here2Win Casino.
- Alongside Secret Book of the Island (95.00%), review the Book of Bonanza 97.60% SmartSoft pokie card available at Here2Win Casino.
- Benchmark any two releases in the head-to-head pokie RTP and volatility comparator or run the NZ$ session bankroll and stake calculator.
More from SlotoLand
Who it suits
A high-volatility pokie moves an NZ$ stake in jumps. If that is more movement than you want, drop the stake or pick another title from the same studio.
How a session moves
Short session, then close it. Secret Book of the Island does not keep a score of how careful you were.
A session is a clock plus a stake. Any welcome lives inside Here2Win Casino, and Mottle Fen does not invent the terms.
Questions
Is Secret Book of the Island on the New Zealand list?
Yes, Secret Book of the Island is on this New Zealand list. The session is not hosted on mottlefen.org.
What RTP does Secret Book of the Island publish?
The card publishes 95.00% for Secret Book of the Island. Across a huge number of spins that is the studio figure. One evening in Wellington is not that sample.
How bumpy is Secret Book of the Island?
high-volatility. A high-volatility pokie moves an NZ$ stake in jumps. If that is more movement than you want, drop the stake or pick another title.
Which studio is Secret Book of the Island from?
SlotoLand. Other SlotoLand pokies for New Zealand are grouped on the provider page.
Where do I deposit NZ$?
Deposit at Here2Win Casino after the button. POLi can be offered there. Mottle Fen only names it so the page is clearly the New Zealand catalogue.
Does Secret Book of the Island work on mobile in New Zealand?
Yes. The button on mottlefen.org is the same on a phone. Here2Win Casino loads the pokie, and the stake is in NZ$.
What currency is Secret Book of the Island staked in?
You set the NZ$ stake after the handoff. mottlefen.org never holds it.
Can I play Secret Book of the Island on this page?
No. The page does not run the reels. The button opens Secret Book of the Island at Here2Win Casino. A practice mode, if the casino offers one, is there.
Where is the rating for this pokie?
There is no rating. A score would be an opinion Mottle Fen refuses to invent. The useful lines are the studio, the RTP when it exists, and the volatility.
Does the pokie remember the last session?
Do not wait out a feature. The pokie is not running late.
Who is Secret Book of the Island for?
Adults, 18+. Mottle Fen is a New Zealand catalogue. Gambling can harm, and the page is not a promise of winnings.
What happens when I press play on Secret Book of the Island?
mottlefen.org takes the click and Here2Win Casino opens the pokie. The partner address stays off the article.
How many SlotoLand pokies are on this site?
191. They are grouped on the provider page. Secret Book of the Island is a single title in that group, played at Here2Win Casino.
Does Wellington change the pokie?
No. The same Secret Book of the Island card applies across New Zealand. City is not a reel setting. NZ$ and POLi are the local pieces, and both are settled at Here2Win Casino.
Is a bonus amount listed for Secret Book of the Island?
No amount is printed here. A welcome offer, if Here2Win Casino has one, is shown in the account with its own terms. Mottle Fen will not guess the numbers.
Is Secret Book of the Island a pub pokie?
No. It is an online pokie from SlotoLand, opened at Here2Win Casino. The page does not describe a machine in a venue.
How do I finish a session?
Decide the NZ$ limit before the reels move, then stop when it is reached. Secret Book of the Island will not tap you on the shoulder.
Why list pros and cons for Secret Book of the Island?
It is not a rating of Secret Book of the Island. A pro means the card or the catalogue actually supports the line. A con means a missing figure or a limit of this page.
Is the text under the title the preview?
Yes. That short answer is the preview, and it should match the fact list: SlotoLand, and 95.00% only when you are on a card that has an RTP. Pros and cons come after, in plainer lines.
Will a shorter name still open Secret Book of the Island?
Use the full name on this card. A shorter search in the Here2Win Casino lobby can open a different SlotoLand title.
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. Those words are not a price and not a description of the round.
Stake and POLi
The NZ$ movement, POLi included, happens at Here2Win Casino. This page only names it.
POLi and the other rails people in New Zealand already use are handled inside the Here2Win Casino account. mottlefen.org never asks for them. The page cannot take an NZ$ deposit.
How to play Secret Book of the Island at Here2Win Casino: 7-step session protocol
- Check the verified Secret Book of the Island return (95.00%) and SlotoLand 5×3 classic video grid layout on this Mottle Fen specification card.
- Size your NZ$ session bankroll at 250x–350x your base spin stake using the interactive 100/250/500-spin calculator above.
- Open Here2Win Casino (here2win.com.au) and locate Secret Book of the Island using the SlotoLand studio filter or instant search bar.
- Launch Secret Book of the Island and open the in-game help sheet ("?" or "i" icon) to verify the active paytable, feature rules, and printed RTP.
- Select your unit spin stake in NZ$ (such as NZ$0.20–NZ$1.00) so your session balance comfortably covers 200 to 300 spins.
- Lock in a session timer and stop-loss limit at Here2Win Casino prior to spinning, keeping stake size flat through normal variance swings.
- Complete account KYC verification at Here2Win Casino early and use the same verified POLi rail for seamless NZ$ withdrawals.
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. A shorter search can load a different SlotoLand 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. Mottle Fen leaves those fields empty.
Kiwi players play this pokie in the browser at Here2Win Casino, stake in NZ$. mottlefen.org 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.