Here2Win Casino · SYNOT Games · New Zealand
Book of Secrets Extra for New Zealand, Fern Spins
Kiwi players can open the session page for Book of Secrets Extra pokie apart from this catalogue.
Fern Spins lists Book of Secrets Extra as a SYNOT Games pokie for players in New Zealand, opened at Here2Win Casino. No RTP was on the source card, so this page does not borrow one from a similar game. The studio is the fact that is actually known.
More from SYNOT Games
Book of Secrets Extra vs SYNOT Games average & peer pokie comparison
Compared against direct studio and mechanic peers, Book of Secrets Extra (studio benchmark) benchmarks directly against Ballad of Bardolomew (96.05%, SYNOT Games) across its 5×3 classic video grid layout at Here2Win Casino (here2win.co.nz).
| Title & spec anchor | Studio | Published RTP | Delta vs Book of Secrets Extra | Volatility | Grid |
|---|---|---|---|---|---|
| Book of Secrets Extra (this card) | SYNOT Games | — | — | — | 5×3 classic video grid |
| Ballad of Bardolomew 96.05% RTP pokie · Highest RTP in SYNOT Games vs Book of Secrets Extra | SYNOT Games | 96.05% | — | — | 5×3 / 5×4 HTML5 video grid |
| Rise of Coins 96.00% RTP medium-to-high pokie · Higher-volatility studio alternative vs Book of Secrets Extra | SYNOT Games | 96.00% | — | medium-to-high | 5×3 / 5×4 HTML5 video grid |
| Book of Bonanza 97.60% RTP medium-to-high pokie · Same mechanic (Expanding Symbols) vs Book of Secrets Extra | SmartSoft | 97.60% | — | medium-to-high | 5×3 classic video grid |
- Alongside Book of Secrets Extra (studio benchmark), review the Ballad of Bardolomew 96.05% SYNOT Games pokie card available at Here2Win Casino.
- Alongside Book of Secrets Extra (studio benchmark), review the Rise of Coins 96.00% SYNOT Games 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.
At Here2Win Casino
Book of Secrets Extra is a SYNOT Games pokie at Here2Win Casino for New Zealand. Fern Spins records the figures. The game opens at Here2Win Casino, stake in NZ$.
Two neighbours from SYNOT Games are Vampire Odyssey and Pirate's Run.
Published figures & technical specs
- Studio
- SYNOT Games (168 in this catalogue)
- Features
- Expanding Symbols
- Studio average RTP
- 95.99% (across 17 titles)
- Reel grid
- 5×3 classic video grid
- Pay structure
- 10 paylines
- RNG testing labs
- Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards)
- Studio licences
- Certified RNG for regulated international casino markets
- Platform
- HTML5 (Desktop, iOS & Android)
- Play at
- Here2Win Casino
- Stake
- NZ$
- Card updated
- 2026-11-04
Book of Secrets Extra RTP (studio benchmark), house edge & 500-spin session math
Book of Secrets Extra by SYNOT Games benchmarks against the verified 95.99% studio average RTP (4.01% house margin across 17 titles) and suits a 200x–250x stake buffer in NZ$ at Here2Win Casino (here2win.co.nz).
Book of Secrets Extra does not carry a standalone RTP on its source sheet, so Fern Spins cites the verified studio distribution instead of guessing. The pokie runs on a 5×3 classic video grid layout, and its variance profile fits a 200x–250x unit-stake reserve when playing Book of Secrets Extra in NZ$ at Here2Win Casino (here2win.co.nz).
| Session volume & entity | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins on Book of Secrets Extra (NZ$1/spin @ 95.99% RTP) | NZ$100 | NZ$95.99 | NZ$4.01 | ~27–33 |
| 250 spins on Book of Secrets Extra (NZ$1/spin @ 95.99% RTP) | NZ$250 | NZ$239.97 | NZ$10.03 | ~68–83 |
| 500 spins on Book of Secrets Extra (NZ$1/spin @ 95.99% RTP) | NZ$500 | NZ$479.95 | NZ$20.05 | ~135–165 |
Pros and cons
Pros
- You do not have to open the lobby to see who made Book of Secrets Extra.
- The stake for Kiwi players is in NZ$.
- The provider page is the rest of the studio.
Cons
- The account is at Here2Win Casino.
- No bonus number is made up on this page.
- The card did not include an RTP, so the page has no return figure.
- The gap is left in the fact list.
Studio
SYNOT Games is the studio on the card. 168 of their pokies are in this New Zealand catalogue. The provider page lists them.
Book of Secrets Extra technical specs, SYNOT Games RNG audit & myth-busting rules
Book of Secrets Extra is engineered by SYNOT Games 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.
SYNOT Games (SYNOT Games 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 Fern Spins catalogue, SYNOT Games accounts for 168 pokies, playable at Here2Win Casino (here2win.co.nz). Across the 17 titles with a published return, the studio averages 95.99% RTP (spanning 95.90% to 96.05%, 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.
What this pokie is
Fern Spins keeps the New Zealand entry plain. Book of Secrets Extra is from SYNOT Games. You play it at Here2Win Casino. The stake shows in NZ$.
If you came for a single fact, use the list under the title. Book of Secrets Extra, SYNOT Games, New Zealand, Here2Win Casino.
Payments people in New Zealand already use, POLi among them, are handled inside the Here2Win Casino account. fernspins.co.nz never asks for them. The page cannot run the rail.
How to play Book of Secrets Extra at Here2Win Casino: 7-step session protocol
- Check the verified Book of Secrets Extra return (95.99%) and SYNOT Games 5×3 classic video grid layout on this Fern Spins specification card.
- Size your NZ$ session bankroll at 200x–250x your base spin stake using the interactive 100/250/500-spin calculator above.
- Open Here2Win Casino (here2win.co.nz) and locate Book of Secrets Extra using the SYNOT Games studio filter or instant search bar.
- Launch Book of Secrets Extra 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.
Questions
Can Kiwi players open Book of Secrets Extra at Here2Win Casino?
Yes, Book of Secrets Extra is on this New Zealand list. The session is not hosted on fernspins.co.nz.
Who built this pokie?
SYNOT Games. Other SYNOT Games pokies for New Zealand are grouped on the provider page.
Does this site take POLi?
NZ$ stays in the Here2Win Casino account. This domain does not open a cashier.
Does Book of Secrets Extra work on mobile in New Zealand?
Yes. The button on fernspins.co.nz is the same on a phone. Here2Win Casino loads the pokie, and the stake is in NZ$.
What currency is Book of Secrets Extra staked in?
You set the NZ$ stake after the handoff. fernspins.co.nz never holds it.
Can I play Book of Secrets Extra on this page?
The card is for reading. The session is not hosted on fernspins.co.nz.
Where is the rating for this pokie?
There is no rating. A score would be an opinion Fern Spins refuses to invent. The useful lines are the studio, the RTP when it exists, and the volatility.
Can Book of Secrets Extra be due to pay?
No. Book of Secrets Extra does not keep your last evening, in Dunedin or anywhere else. The RTP, when printed, is a long sample, not the next spin.
Who is Book of Secrets Extra for?
Adults, 18+. Fern Spins is a New Zealand catalogue. Gambling can harm, and the page is not a promise of winnings.
What happens when I press play on Book of Secrets Extra?
fernspins.co.nz takes the click and Here2Win Casino opens the pokie. The partner address stays off the article.
How many SYNOT Games pokies are on this site?
168. They are grouped on the provider page. Book of Secrets Extra is a single title in that group, played at Here2Win Casino.
Does Dunedin change the pokie?
No. The same Book of Secrets Extra 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 Book of Secrets Extra?
No amount is printed here. A welcome offer, if Here2Win Casino has one, is shown in the account with its own terms. Fern Spins will not guess the numbers.
Is Book of Secrets Extra a pub pokie?
No. It is an online pokie from SYNOT Games, 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. Book of Secrets Extra will not tap you on the shoulder.
Why does Book of Secrets Extra have no RTP?
The source card did not publish one. The gap stays empty. A figure is not copied from another pokie to make the page look finished.
What are the pros and cons on the Book of Secrets Extra page?
It is not a rating of Book of Secrets Extra. A pro means the card or the catalogue actually supports the line. A con means a missing figure or a limit of this page.
What do I read first on Book of Secrets Extra?
Yes. That short answer is the preview, and it should match the fact list: SYNOT Games, and only when you are on a card that has an RTP. Pros and cons come after, in plainer lines.
How do I open the right Book of Secrets Extra?
This page is only Book of Secrets Extra. The play button follows that name, not a shorter guess.
What is the maximum win on Book of Secrets Extra?
The card does not publish a maximum win, a reel count, or a payline count. Fern Spins does not guess them.
What features does the Book of Secrets Extra card list?
Expanding Symbols is the whole feature list for Book of Secrets Extra. Those words are not a price and not a description of the round.
How a session moves
Book of Secrets Extra does not become likelier because the page is short. That is the whole note.
Do not stake NZ$ set aside for the week. Book of Secrets Extra will not settle up because a feature feels late.
Stake and POLi
Fern Spins takes no NZ$. POLi, if you use it, is at Here2Win Casino.
POLi and the other rails people in New Zealand already use are handled inside the Here2Win Casino account. fernspins.co.nz never asks for them. The page can name POLi.
Who it suits
The card has no volatility mark. Fern Spins leaves that gap empty instead of guessing a fit for Book of Secrets Extra. The session, if you open it, is at Here2Win Casino.
Filed under
Features Expanding Symbols
Playing this pokie
Search the lobby for Book of Secrets Extra, the full title on this card. This page is only the Book of Secrets Extra card.
The card does not publish a maximum win, a reel count, a payline count, a count of free spins, or a bonus-buy price. Fern Spins leaves those fields empty.
Kiwi players play this pokie in the browser at Here2Win Casino, stake in NZ$. No app is installed from Fern Spins.
Book of Secrets Extra is tagged Expanding Symbols. Those words are the only feature facts on the card.