Here2Win Casino · Relax Gaming · Australia
Book of 99 pokie on Pokies Vault
Australian punters can open the session page for Book of 99 pokie apart from this catalogue.
On Pokies Vault, Book of 99 is the Relax Gaming pokie Australian players launch through Here2Win Casino. The studio name and the game name are the hard facts on this page. Stake in A$ and stop when the session stops being fun.
More from Relax Gaming
How this pokie compares
| Title | Studio | Published RTP | RTP delta | Volatility | Grid |
|---|---|---|---|---|---|
| Book of 99 (this card) | Relax Gaming | — | — | — | 5×3 classic video grid |
| Winter Champions · Highest RTP in Relax Gaming | Relax Gaming | 96.10% | — | medium | 5×3 / 5×4 HTML5 video grid |
| Immortal 5 · Higher-volatility studio alternative | Relax Gaming | 96.10% | — | high | 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 →
At Here2Win Casino
Here2Win Casino is the casino on this card. Beside Book of 99 the provider page lists 223 other Relax Gaming pokies, all played at Here2Win Casino.
Published figures & technical specs
- Studio
- Relax Gaming (223 in this catalogue)
- Features
- Expanding Symbols
- Studio average RTP
- 95.08% (across 25 titles)
- Reel grid
- 5×3 classic video grid
- Pay structure
- 10 paylines
- RNG testing labs
- eCOGRA, iTech Labs
- Studio licences
- MGA, UKGC, AGCO (Ontario), Spelinspektionen, ONJN
- Platform
- HTML5 (Desktop, iOS & Android)
- Play at
- Here2Win Casino
- Stake
- A$
- Card updated
- 2026-10-29
Session math & RTP benchmark
Book of 99 does not carry an individual published RTP on its source sheet, so no single-title percentage is guessed. Across the 25 Relax Gaming titles that do publish a return in this catalogue, the studio average is 95.08% (ranging from 94.00% to 96.10%). 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$95.08 | A$4.92 | ~27–33 |
| 250 spins (A$1/spin) | A$250 | A$237.70 | A$12.30 | ~68–83 |
| 500 spins (A$1/spin) | A$500 | A$475.40 | A$24.60 | ~135–165 |
Pros and cons
Pros
- Relax Gaming is on the card, not buried in a lobby.
- Stake for Australian punters is in A$ at Here2Win Casino.
- Relax Gaming has 223 pokies in this catalogue.
Cons
- Pokies Vault does not pay a win and does not take a deposit.
- No bonus figure is printed. Any offer sits inside Here2Win Casino and can change.
- The return gap is left empty on purpose.
- The page will not borrow a pace label from another Relax Gaming pokie.
The studio behind it
If you only needed the maker, it is Relax Gaming. Here2Win Casino does not rebadge the game. The provider page is the clean list.
Studio certification & mechanics
Relax Gaming (Relax Gaming Group (Kindred)) is an iGaming studio founded in 2010 and headquartered in Sliema, Malta & Tallinn, Estonia. Its random number generators (RNG) and math models are audited by eCOGRA, iTech Labs and certified across MGA, UKGC, AGCO (Ontario), Spelinspektionen, ONJN. Studio RTP policy: Fixed and multi-profile RTP certifications (~96.10%–96.50% primary setting).
In the Pokies Vault catalogue, Relax Gaming accounts for 223 pokies, playable at Here2Win Casino. Across the 25 titles with a published return, the studio averages 95.08% RTP (spanning 94.00% to 96.10%, with 0 pokies at 96.5% or above). Signature studio mechanics include Money Cart Hold & Respin, Dream Drop Jackpots, Connected Ways, Persistent Symbols.
Technical layout for Book of 99: 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.
What this pokie is
Pokies Vault files Book of 99 as a record: studio Relax Gaming, then the numbers the card actually has, then the door to Here2Win Casino. If a number is missing, the vault leaves the shelf empty.
Launch Book of 99 from Pokies Vault and the play button stays on this domain before Here2Win Casino loads the pokie. Desktop still works the same way. The stake is shown in A$.
The preview under the title is the short form of this card. A search snippet should match the page. A missing RTP stays missing there too.
Beast Mode shares the Relax Gaming line with this card.
How you open it
- Open Book of 99 from the play button. The click stays on pokiesvault.com, then Here2Win Casino loads the pokie.
- Set the stake in A$ before the reels move. A smaller stake just makes a pokie last longer.
- Stop on a clock you set in Sydney, not when the pokie 'looks due'.
Questions
Where do I open Book of 99 if I am in Australia?
Book of 99 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 provider is behind Book of 99?
The provider is Relax Gaming. Other Relax Gaming pokies on Pokies Vault sit on the same provider page if you want a neighbour title.
Where does the A$ stake actually go?
You are reading a catalogue page. Deposits, PayID and the spin itself belong to the Here2Win Casino account, not to pokiesvault.com.
Does Book of 99 work on mobile in Australia?
Punters in Sydney mostly open Book of 99 from a phone. Pokies Vault does not ship a separate app. The button hands the pokie to Here2Win Casino.
What currency is the stake on Book of 99?
At Here2Win Casino the stake for Australian players is in A$. Pokies Vault does not convert it and does not print a minimum, because the minimum is set inside the game.
Is there a demo of Book of 99 on this page?
No. Pokies Vault does not embed a demo of Book of 99. The button opens the pokie at Here2Win Casino. Any practice mode, if one exists, is inside that account, not on pokiesvault.com.
Does Pokies Vault score Book of 99?
Book of 99 is not ranked against other pokies on Pokies Vault. Use the figures on the card, not a badge.
Does Book of 99 remember my last session?
Nothing on this page is a timer for a feature. If the last session went badly, the next one does not owe you the difference.
How old do I have to be to play Book of 99?
The page is written for adults in Australia. Gambling can harm. Stop when the session stops being a choice.
What does the play button actually do?
The click stays on pokiesvault.com first, then opens Book of 99 at Here2Win Casino. The partner address is not printed in the article.
How many Relax Gaming pokies are in this catalogue?
Pokies Vault lists 223 pokies from Relax Gaming for Australia. Book of 99 is one of them. The provider page holds the rest.
Does it matter that I am in Sydney?
No. Sydney is named because readers are there. It is not a setting inside Book of 99, and it does not change the RTP.
Does this page list a welcome offer?
Pokies Vault will not print a match amount or a spin count for Book of 99. Those terms belong to the casino, and they change.
Is this the same machine I would find in a club?
The page describes the online title from Relax Gaming. It does not claim a venue in Sydney.
How do I stop a session on Book of 99?
Set an A$ limit and a clock before the first spin, then close the game when either one is reached. Book of 99 will not close itself.
Can you estimate the RTP of Book of 99?
The source card did not include a published RTP, so this page leaves the gap empty. Pokies Vault will not copy a figure from a similar Relax Gaming pokie.
Why does Book of 99 have a pros and cons list?
It splits what the card publishes from what Pokies Vault refuses to invent. A printed RTP is listed because it is a source figure. A missing hit rate is named as a limit, not filled in.
What should I read before I open Book of 99?
Start with the short answer under the title, then the fact list. Both should agree: studio Relax Gaming, and RTP only when the card has one. The pros and cons repeat that split in plain lines.
Will a shorter name still open Book of 99?
This page is only Book of 99. The play button follows that name, not a shorter guess.
What is the maximum win on Book of 99?
The card does not publish a maximum win, a reel count, or a payline count. Pokies Vault does not guess them.
What features does the Book of 99 card list?
Expanding Symbols is the whole feature list for Book of 99. 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. Book of 99 at Here2Win Casino is still only a session with an A$ stake.
A fair session on Book of 99 is a run of spins you can afford to lose, not a plan to clear a welcome offer. Pokies Vault does not print a bonus figure it does not hold.
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. This page never opens a cashier.
Who it suits
This card does not carry a volatility mark, so Pokies Vault does not guess who Book of 99 suits. The studio is Relax Gaming. The session still opens at Here2Win Casino.
Filed under
Features Expanding Symbols
Playing this pokie
Open the full name Book of 99 in the Here2Win Casino lobby. A shorter search can load a different Relax Gaming 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. 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.
Feature labels on this card: Expanding Symbols. A label is a name, not a price and not a description of the round.