Here2Win Casino · Endorphina · Australia
The Wallaby Slots page for Book Of Oil
Australian punters can open the session page for Book Of Oil pokie apart from this catalogue.
Wallaby Slots files Book Of Oil as a Endorphina pokie for Australia and sends the session to Here2Win Casino. The card has no published RTP, so this preview does not invent one.
Filed under
Features Expanding Symbols
Published figures & technical specs
- Studio
- Endorphina (178 in this catalogue)
- Features
- Expanding Symbols
- Studio average RTP
- 96.20% (across 14 titles)
- Reel grid
- 5×3 classic video grid
- Pay structure
- 10 paylines
- RNG testing labs
- GLI, iTech Labs
- Studio licences
- MGA, ONJN, HGC, Spelinspektionen
- Platform
- HTML5 (Desktop, iOS & Android)
- Play at
- Here2Win Casino
- Stake
- A$
- Card updated
- 2026-11-04
Book Of Oil RTP (studio benchmark), house edge & 500-spin session math
Book Of Oil by Endorphina benchmarks against the verified 96.20% studio average RTP (3.80% house margin across 14 titles) and suits a 200x–250x stake buffer in A$ at Here2Win Casino (here2win.netlify.app).
Book Of Oil does not carry a standalone RTP on its source sheet, so Wallaby Slots 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 Oil in A$ at Here2Win Casino (here2win.netlify.app).
| Session volume & entity | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins on Book Of Oil (A$1/spin @ 96.20% RTP) | A$100 | A$96.20 | A$3.80 | ~27–33 |
| 250 spins on Book Of Oil (A$1/spin @ 96.20% RTP) | A$250 | A$240.50 | A$9.50 | ~68–83 |
| 500 spins on Book Of Oil (A$1/spin @ 96.20% RTP) | A$500 | A$481.00 | A$19.00 | ~135–165 |
Pros and cons
Pros
- The studio is named: Endorphina.
- Stake for Australian punters is in A$ at Here2Win Casino.
- Endorphina has 178 pokies in this catalogue.
Cons
- Wallaby Slots does not pay a win and does not take a deposit.
- A match amount is not a fact of the Book Of Oil card.
- The return gap is left empty on purpose.
- Volatility is not on the source card.
At Here2Win Casino
Book Of Oil is a Endorphina pokie at Here2Win Casino. Wallaby Slots keeps the Australian figures for it: studio, RTP when the card has one, and volatility. The button opens the game at Here2Win Casino.
3 Thunders is another Endorphina pokie in this catalogue.
What this pokie is
The host is called Wallaby Slots. The copy still says pokie, because this catalogue is the Australian one. Book Of Oil by Endorphina opens at Here2Win Casino.
Australian English on this host is deliberate: pokie, punter, A$. The Canadian catalogues say slot. The casino on the button is still Here2Win Casino.
Before the stake, use the fact list and the pros and cons. Neither one adds a star rating. Book Of Oil is the Endorphina pokie, and the reels run at Here2Win Casino.
Stake and the cashier
Whatever the domain name says, the cashier is Here2Win Casino. PayID is named here so the geo is obvious, and it is taken there.
The A$ stake is chosen inside Book Of Oil at Here2Win Casino. A catalogue can name PayID and still not run PayID.
Book Of Oil technical specs, Endorphina RNG audit & myth-busting rules
Book Of Oil is engineered by Endorphina on a 5×3 classic video grid (10 paylines) architecture with independent RNG certification from GLI, iTech Labs under MGA, ONJN, HGC, Spelinspektionen regulatory frameworks.
Endorphina (Endorphina Ltd) is an iGaming studio founded in 2012 and headquartered in Prague, Czech Republic & Malta. Its random number generators (RNG) and math sheets are audited by GLI, iTech Labs and certified across MGA, ONJN, HGC, Spelinspektionen. Studio RTP policy: Fixed theoretical RTP (96.00%–96.10% across almost the entire portfolio).
In the Wallaby Slots catalogue, Endorphina accounts for 178 pokies, playable at Here2Win Casino (here2win.netlify.app). Across the 14 titles with a published return, the studio averages 96.20% RTP (spanning 96.00% to 98.07%, with 1 pokies at 96.5% or above). Signature studio mechanics include Lucky Streak Series, Book Expanding Symbols, Classic Risk Card Game (RTP 84%–167% by dealer card).
Expanding Symbols: Expanding symbol mechanics select one or more pay symbols that stretch vertically to cover the full reel when enough instances land.
Book Of Oil vs Endorphina average & peer pokie comparison
Compared against direct studio and mechanic peers, Book Of Oil (studio benchmark) benchmarks directly against Fortune Capybara (98.07%, Endorphina) across its 5×3 classic video grid layout at Here2Win Casino (here2win.netlify.app).
| Title & spec anchor | Studio | Published RTP | Delta vs Book Of Oil | Volatility | Grid |
|---|---|---|---|---|---|
| Book Of Oil (this card) | Endorphina | — | — | — | 5×3 classic video grid |
| Fortune Capybara 98.07% RTP pokie · Highest RTP in Endorphina vs Book Of Oil | Endorphina | 98.07% | — | — | 5×3 / 5×4 HTML5 video grid |
| Power Balls 96.12% RTP high pokie · Higher-volatility studio alternative vs Book Of Oil | Endorphina | 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 Oil | SmartSoft | 97.60% | — | medium-to-high | 5×3 classic video grid |
- Alongside Book Of Oil (studio benchmark), review the Fortune Capybara 98.07% Endorphina pokie card available at Here2Win Casino.
- Alongside Book Of Oil (studio benchmark), review the Power Balls 96.12% Endorphina pokie card available at Here2Win Casino.
- Benchmark any two releases in the head-to-head pokie RTP and volatility comparator or run the A$ session bankroll and stake calculator.
More from Endorphina
Questions
Does Here2Win Casino list Book Of Oil for Australian punters?
Book Of Oil is in the Wallaby Slots list for Australia, and the session itself runs at Here2Win Casino. Use the play button rather than hunting the game by a different name.
Which studio built Book Of Oil?
Endorphina is the studio named on the Book Of Oil card. Wallaby Slots groups the rest of that studio on the provider page.
Does Wallaby Slots take the stake?
You are reading a catalogue page. Deposits, PayID and the spin itself belong to the Here2Win Casino account, not to wallabyslots.com.
Does Book Of Oil work on mobile in Australia?
Punters in Adelaide mostly open Book Of Oil from a phone. Wallaby Slots does not ship a separate app. The button hands the pokie to Here2Win Casino.
Is Book Of Oil staked in A$?
You choose the A$ stake after Here2Win Casino loads Book Of Oil. This catalogue page never takes the money.
Can I try Book Of Oil here without an account?
No. Wallaby Slots does not embed a demo of Book Of Oil. The button opens the pokie at Here2Win Casino. Any practice mode, if one exists, is inside that account, not on wallabyslots.com.
Why is there no star rating for Book Of Oil?
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.
Can Book Of Oil be due for a win?
No. Book Of Oil does not store the night you had in Adelaide, 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 Book Of Oil?
18+. Wallaby Slots is a catalogue, and Here2Win Casino is where the session runs. Do not open the pokie if you are under 18.
Where does the click on Book Of Oil go?
Wallaby Slots records the page you were on and sends you to Here2Win Casino with Australia already on the trail.
How many Endorphina pokies are in this catalogue?
Wallaby Slots lists 178 pokies from Endorphina for Australia. Book Of Oil is one of them. The provider page holds the rest.
Is Book Of Oil different in another Australian city?
No. Adelaide is named because readers are there. It is not a setting inside Book Of Oil, and it does not change the RTP.
Does this page list a welcome offer?
No figure is invented here. If Here2Win Casino shows a welcome offer, it shows it inside the account, with its own terms. Read them there before you opt in.
Is this the same machine I would find in a club?
No. Book Of Oil on Wallaby Slots is an online pokie opened at Here2Win Casino. It is not a machine on a club floor and it does not carry a local sticker.
How do I stop a session on Book Of Oil?
A normal stop is the one you decided in advance. Do not wait for the pokie to look due.
Why is there no RTP for Book Of Oil?
The source card did not include a published RTP, so this page leaves the gap empty. Wallaby Slots will not copy a figure from a similar Endorphina pokie.
Why does Book Of Oil have a pros and cons list?
The block is a reading aid for Book Of Oil, 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 Book Of Oil page is the preview?
Start with the short answer under the title, then the fact list. Both should agree: studio Endorphina, and RTP only when the card has one. The pros and cons repeat that split in plain lines.
How do I open the right Book Of Oil?
This page is only Book Of Oil. The play button follows that name, not a shorter guess.
What is the maximum win on Book Of Oil?
A count of free spins and a bonus-buy price are also absent. Those numbers stay off the page.
What features does the Book Of Oil card list?
The labels are Expanding Symbols. They are names only. This page does not add a bonus amount, a free-spin count, or a jackpot figure.
The studio behind it
If you only needed the maker, it is Endorphina. Here2Win Casino does not rebadge the game. The provider page is the clean list.
How a session behaves
The stake rule is the same anyway. Small A$ stake, fixed stop, then Book Of Oil.
A fair session on Book Of Oil is a run of spins you can afford to lose, not a plan to clear a welcome offer. Wallaby Slots does not print a bonus figure it does not hold.
Who it suits
This card does not carry a volatility mark, so Wallaby Slots does not guess who Book Of Oil suits. The studio is Endorphina. The session still opens at Here2Win Casino.
How to play Book Of Oil at Here2Win Casino: 7-step session protocol
- Check the verified Book Of Oil return (96.20%) and Endorphina 5×3 classic video grid layout on this Wallaby Slots specification card.
- Size your A$ session bankroll at 200x–250x your base spin stake using the interactive 100/250/500-spin calculator above.
- Open Here2Win Casino (here2win.netlify.app) and locate Book Of Oil using the Endorphina studio filter or instant search bar.
- Launch Book Of Oil 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 A$ (such as A$0.20–A$1.00) so your session balance comfortably covers 200 to 300 spins.
- Lock in a session timer and stop-loss limit at Here2Win Casino prior to spinning, keeping stake size flat through normal variance swings.
- Complete account KYC verification at Here2Win Casino early and use the same verified PayID rail for seamless A$ withdrawals.
Playing this pokie
Search the lobby for Book Of Oil, the full title on this card. This page is only the Book Of Oil 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. Wallaby Slots leaves those fields empty.
Australian punters play this pokie in the browser at Here2Win Casino, stake in A$. wallabyslots.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.