Here2Win Casino · Greentube · New Zealand
The Fern Spins page for Book of Stars
Kiwi players can open the session page for Book of Stars pokie apart from this catalogue.
Across New Zealand, Fern Spins is the catalogue page for Book of Stars. Here2Win Casino is where the pokie runs. The card has no published RTP.
More from Greentube
Book of Stars vs Greentube average & peer pokie comparison
Compared against direct studio and mechanic peers, Book of Stars (studio benchmark) benchmarks directly against Jingle Jackpot (96.45%, Greentube) across its 5×3 classic video grid layout at Here2Win Casino (here2win.co.nz).
| Title & spec anchor | Studio | Published RTP | Delta vs Book of Stars | Volatility | Grid |
|---|---|---|---|---|---|
| Book of Stars (this card) | Greentube | — | — | — | 5×3 classic video grid |
| Jingle Jackpot 96.45% RTP medium pokie · Highest RTP in Greentube vs Book of Stars | Greentube | 96.45% | — | medium | 5×3 / 5×4 HTML5 video grid |
| Eye of the dragon 96.12% RTP high pokie · Higher-volatility studio alternative vs Book of Stars | Greentube | 96.12% | — | 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 Stars | SmartSoft | 97.60% | — | medium-to-high | 5×3 classic video grid |
- Alongside Book of Stars (studio benchmark), review the Jingle Jackpot 96.45% Greentube pokie card available at Here2Win Casino.
- Alongside Book of Stars (studio benchmark), review the Eye of the dragon 96.12% Greentube 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
Here2Win Casino is the casino named on this card. 419 other Greentube pokies are grouped with Book of Stars, and they are played at Here2Win Casino.
Published figures & technical specs
- Studio
- Greentube (419 in this catalogue)
- Features
- Expanding Symbols and Gamble Feature
- Studio average RTP
- 95.05% (across 135 titles)
- Reel grid
- 5×3 classic video grid
- Pay structure
- 10 paylines
- RNG testing labs
- GLI, eCOGRA, TÜV Austria
- Studio licences
- MGA, UKGC, AGCO (Ontario), ADM, DGOJ, GGL
- Platform
- HTML5 (Desktop, iOS & Android)
- Play at
- Here2Win Casino
- Stake
- NZ$
- Card updated
- 2026-11-04
Book of Stars RTP (studio benchmark), house edge & 500-spin session math
Book of Stars by Greentube benchmarks against the verified 95.05% studio average RTP (4.95% house margin across 135 titles) and suits a 200x–250x stake buffer in NZ$ at Here2Win Casino (here2win.co.nz).
Because the source card for Book of Stars omits an individual percentage, this Greentube release is benchmarked against the studio's published range (92.13% to 96.45%). 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 Stars 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 Stars (NZ$1/spin @ 95.05% RTP) | NZ$100 | NZ$95.05 | NZ$4.95 | ~27–33 |
| 250 spins on Book of Stars (NZ$1/spin @ 95.05% RTP) | NZ$250 | NZ$237.63 | NZ$12.38 | ~68–83 |
| 500 spins on Book of Stars (NZ$1/spin @ 95.05% RTP) | NZ$500 | NZ$475.25 | NZ$24.75 | ~135–165 |
Pros and cons
Pros
- Greentube is the studio on the card.
- The button remains on fernspins.co.nz and hands the pokie to Here2Win Casino.
- There are 419 Greentube pokies in this catalogue.
Cons
- Fern Spins does not hold NZ$ and does not pay winners.
- 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
If the only question was who built Book of Stars, the answer is Greentube. Fern Spins does not localise the studio name.
Further along the same studio list are Diamond Mystery Forever Hot and Book of Ra Deluxe Win Ways Ante Bet Bonus Buy.
Book of Stars technical specs, Greentube RNG audit & myth-busting rules
Book of Stars is engineered by Greentube on a 5×3 classic video grid (10 paylines) architecture with independent RNG certification from GLI, eCOGRA, TÜV Austria under MGA, UKGC, AGCO (Ontario), ADM, DGOJ, GGL regulatory frameworks.
Greentube (Novomatic AG Group) is an iGaming studio founded in 1998 and headquartered in Vienna, Austria. Its random number generators (RNG) and math sheets are audited by GLI, eCOGRA, TÜV Austria and certified across MGA, UKGC, AGCO (Ontario), ADM, DGOJ, GGL. Studio RTP policy: Standardised theoretical RTP profiles (~95.00%–95.50% classic mathematical model).
In the Fern Spins catalogue, Greentube accounts for 419 pokies, playable at Here2Win Casino (here2win.co.nz). Across the 135 titles with a published return, the studio averages 95.05% RTP (spanning 92.13% to 96.45%, with 0 pokies at 96.5% or above). Signature studio mechanics include Book-style Expanding Scatter, Lock & Spin, Twin Spinner, Gamble Ladder.
Expanding Symbols: Expanding symbol mechanics select one or more pay symbols that stretch vertically to cover the full reel when enough instances land.
Gamble Feature: The Gamble feature offers an optional post-win double-up or risk ladder round after standard base-game payouts.
What this pokie is
Fern Spins keeps the New Zealand entry plain. Book of Stars is from Greentube. You play it at Here2Win Casino. The stake shows in NZ$.
If you came for a single fact, use the list under the title. Book of Stars, Greentube, New Zealand, Here2Win Casino.
Payments people in New Zealand already use, POLi among them, are handled inside the Here2Win Casino account. fernspins.co.nz never asks for them. The page can name the rail.
How to play Book of Stars at Here2Win Casino: 7-step session protocol
- Check the verified Book of Stars return (95.05%) and Greentube 5×3 classic video grid layout on this Fern Spins specification card.
- Size your NZ$ 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 Stars using the Greentube studio filter or instant search bar.
- Launch Book of Stars 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 Stars at Here2Win Casino?
Here2Win Casino plays it. Fern Spins is the New Zealand catalogue. The button leaves via fernspins.co.nz and opens Book of Stars at Here2Win Casino, stake in NZ$.
Which studio is Book of Stars from?
The studio on the card is Greentube. Fern Spins does not swap in a different name.
Does this site take POLi?
Deposit at Here2Win Casino after the button. POLi can be offered there. Fern Spins only names it so the page is clearly the New Zealand catalogue.
Does Book of Stars work on mobile in New Zealand?
Yes. The button on fernspins.co.nz is the same on a phone. Here2Win Casino loads the pokie, and the stake is in NZ$.
What currency is Book of Stars staked in?
NZ$ at Here2Win Casino. This catalogue does not print a minimum, because that figure lives inside the game, not on the card.
Is there a demo of Book of Stars on Fern Spins?
The card is for reading. The session is not hosted on fernspins.co.nz.
Why is Book of Stars not scored?
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 Stars be due to pay?
No. Book of Stars does not keep your last evening, in Queenstown or anywhere else. The RTP, when printed, is a long sample, not the next spin.
Who is Book of Stars 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 Stars?
fernspins.co.nz takes the click and Here2Win Casino opens the pokie. The partner address stays off the article.
How many Greentube pokies are on this site?
419. They are grouped on the provider page. Book of Stars is a single title in that group, played at Here2Win Casino.
Does Queenstown change the pokie?
No. The same Book of Stars 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 Stars?
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 Stars a pub pokie?
No. It is an online pokie from Greentube, 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 Stars will not tap you on the shoulder.
Why does Book of Stars 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 Stars page?
It is not a rating of Book of Stars. 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: Greentube, and 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 Book of Stars?
This page is only Book of Stars. The play button follows that name, not a shorter guess.
What is the maximum win on Book of Stars?
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 Stars card list?
The labels are Expanding Symbols and Gamble Feature. They are names only. This page does not add a bonus amount, a free-spin count, or a jackpot figure.
How a session moves
Plain version for Fern Spins: limit, spin, stop. That is the whole note.
A session is a clock plus a stake. Any welcome lives inside Here2Win Casino, and Fern Spins does not invent the terms.
Stake and POLi
Fern Spins takes no NZ$. POLi, if you use it, is at Here2Win Casino.
POLi and the other rails people in New Zealand already use are handled inside the Here2Win Casino account. fernspins.co.nz never asks for them. The page cannot take an NZ$ deposit.
Who it suits
The card has no volatility mark. Fern Spins leaves that gap empty instead of guessing a fit for Book of Stars. The session, if you open it, is at Here2Win Casino.
Filed under
Features Expanding Symbols Gamble Feature
Playing this pokie
Search the lobby for Book of Stars, the full title on this card. A shorter search can load a different Greentube 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. 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.
Feature labels on this card: Expanding Symbols and Gamble Feature. Fern Spins does not add a jackpot figure or a bonus amount on top of those names.