Here2Win Casino · Relax Gaming · Canada
Book of 99 slot on Boreal Slots
Players in Canada can open the session page for Book of 99 slot apart from this catalogue.
The Boreal Slots card for Book of 99 names Relax Gaming and sends Canadian players to Here2Win Casino. No published RTP is on the card, so the preview leaves it out.
Filed under
Features Expanding Symbols
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
- C$
- Card updated
- 2026-11-04
Book of 99 RTP (studio benchmark), house edge & 500-spin session math
Book of 99 by Relax Gaming benchmarks against the verified 95.08% studio average RTP (4.92% house margin across 25 titles) and suits a 150x–200x stake buffer in C$ at Here2Win Casino (here2win.com.au).
Because the source card for Book of 99 omits an individual percentage, this Relax Gaming release is benchmarked against the studio's published range (94.00% to 96.10%). The slot runs on a 5×3 classic video grid layout, and its variance profile fits a 150x–200x unit-stake reserve when playing Book of 99 in C$ at Here2Win Casino (here2win.com.au).
| Session volume & entity | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins on Book of 99 (C$1/spin @ 95.08% RTP) | C$100 | C$95.08 | C$4.92 | ~27–33 |
| 250 spins on Book of 99 (C$1/spin @ 95.08% RTP) | C$250 | C$237.70 | C$12.30 | ~68–83 |
| 500 spins on Book of 99 (C$1/spin @ 95.08% RTP) | C$500 | C$475.40 | C$24.60 | ~135–165 |
Pros and cons
Pros
- The studio is on the card: Relax Gaming.
- The stake for players in Canada is in C$.
- The provider page lists the rest of Relax Gaming.
Cons
- This page does not hold a C$ balance.
- Any offer is shown inside Here2Win Casino with its own terms.
- This card has no published RTP, so the page does not estimate one.
- Volatility is not on the source card.
At Here2Win Casino
Book of 99 is a Relax Gaming slot at Here2Win Casino for players in Canada. Boreal Slots writes the studio and the published figures. You play it at Here2Win Casino, stake in C$.
Caveman Bob is another Relax Gaming slot here, and so is Attila The Hun.
What this slot is
Boreal Slots writes Book of 99 without the hard sell. It is a Relax Gaming slot on the Canadian list, played at Here2Win Casino, stake in C$.
If you only needed the studio, it is Relax Gaming. If you needed the RTP, it is on the fact list when the card has it. The rest of the Relax Gaming slots are one click away on the provider page.
Wording here stays Canadian on purpose: slot, player, C$. The Australian catalogues are a different page with a different dialect. The brand on the button is Here2Win Casino.
Stake and Interac
If Interac is the rail you use, you use it at Here2Win Casino. Boreal Slots only says so, in Canadian English.
Most Canadian players ask about Interac first. The button is the whole handoff.
Book of 99 technical specs, Relax Gaming RNG audit & myth-busting rules
Book of 99 is engineered by Relax Gaming on a 5×3 classic video grid (10 paylines) architecture with independent RNG certification from eCOGRA, iTech Labs under MGA, UKGC, AGCO (Ontario), Spelinspektionen, ONJN regulatory frameworks.
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 sheets 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 Boreal Slots catalogue, Relax Gaming accounts for 223 slots, playable at Here2Win Casino (here2win.com.au). Across the 25 titles with a published return, the studio averages 95.08% RTP (spanning 94.00% to 96.10%, with 0 slots at 96.5% or above). Signature studio mechanics include Money Cart Hold & Respin, Dream Drop Jackpots, Connected Ways, Persistent Symbols.
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 99 vs Relax Gaming average & peer slot comparison
Compared against direct studio and mechanic peers, Book of 99 (studio benchmark) benchmarks directly against Winter Champions (96.10%, Relax Gaming) across its 5×3 classic video grid layout at Here2Win Casino (here2win.com.au).
| Title & spec anchor | Studio | Published RTP | Delta vs Book of 99 | Volatility | Grid |
|---|---|---|---|---|---|
| Book of 99 (this card) | Relax Gaming | — | — | — | 5×3 classic video grid |
| Winter Champions 96.10% RTP medium slot · Highest RTP in Relax Gaming vs Book of 99 | Relax Gaming | 96.10% | — | medium | 5×3 / 5×4 HTML5 video grid |
| Immortal 5 96.10% RTP high slot · Higher-volatility studio alternative vs Book of 99 | Relax Gaming | 96.10% | — | high | 5×3 / 5×4 HTML5 video grid |
| Book of Bonanza 97.60% RTP medium-to-high slot · Same mechanic (Expanding Symbols) vs Book of 99 | SmartSoft | 97.60% | — | medium-to-high | 5×3 classic video grid |
- Alongside Book of 99 (studio benchmark), review the Winter Champions 96.10% Relax Gaming slot card available at Here2Win Casino.
- Alongside Book of 99 (studio benchmark), review the Immortal 5 96.10% Relax Gaming slot card available at Here2Win Casino.
- Benchmark any two releases in the head-to-head slot RTP and volatility comparator or run the C$ session bankroll and stake calculator.
More from Relax Gaming
Questions
How does a Canadian player reach Book of 99?
If you are in Canada, use the button on this page. Book of 99 opens at Here2Win Casino, and the stake is in C$ there.
Which studio made Book of 99?
Relax Gaming. The provider page on Boreal Slots lists the other slots from that studio for Canada.
Where is the cashier for this slot?
The cashier is at Here2Win Casino. This page can name Interac so the geo is clear. It cannot take a deposit.
Can I open Book of 99 on a phone in Canada?
Players in Calgary often start from a phone. Boreal Slots does not offer a separate app.
Is the stake in C$?
The catalogue does not convert the stake. You set it after Here2Win Casino loads Book of 99.
Is a demo of Book of 99 embedded here?
No. Boreal Slots does not run a demo. The button continues to Here2Win Casino, and any practice mode would be there, not on borealslots.com.
Does Boreal Slots rank Book of 99?
Book of 99 is not scored against the rest of the Canadian list.
Is Book of 99 ever due?
No. Book of 99 does not store last night, and a published RTP is not a forecast for the next spin.
What age is Book of 99 for?
18+. Boreal Slots is a catalogue for adults in Canada. Gambling can harm.
What does the play button do?
It starts on borealslots.com and continues to Here2Win Casino, where Book of 99 opens. The outside address is not written into the article.
How many Relax Gaming slots are listed?
223 from Relax Gaming are in this Canadian catalogue. The provider page lists them. Book of 99 is one entry on that list.
Does my city change Book of 99?
No. Calgary does not change the reel strip or the RTP. City is not a setting. The local pieces are the wording, the C$ stake and Interac as a payment name.
Is a welcome offer printed for Book of 99?
No. Boreal Slots does not invent a match amount or a spin count. If Here2Win Casino shows an offer, the terms are inside the account.
Does Boreal Slots take Interac for Book of 99?
No. Interac, cards and the C$ balance belong to the Here2Win Casino account. This page can name the rail. It cannot run it.
How should a session on Book of 99 end?
On a C$ limit or a clock you set before the first spin. Book of 99 will not end the session because a feature feels late.
Why is the RTP of Book of 99 missing?
The source card had no published RTP. Boreal Slots leaves it blank instead of borrowing a figure from another Relax Gaming slot.
What is the pros and cons list on Book of 99?
It separates published facts from gaps. If the RTP is on the card, that is stated. If the hit rate is missing, the page says so instead of filling it in.
What should I read before opening Book of 99?
Read the short answer under the title and the fact list together. They should name Relax Gaming and, only when the card has it, the RTP. Pros and cons are that same split, written as 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.
How many reels and paylines does Book of 99 have?
A count of free spins and a bonus-buy price are also absent. Those numbers stay off the page.
Which feature labels are on Book of 99?
Expanding Symbols is the whole feature list for Book of 99. A label is not a price and not a description of the round.
Studio
Studio: Relax Gaming. Boreal Slots carries 223 of their slots for Canada. Use the provider page for the rest.
What a session does
Boreal Slots has no other advice that survives contact with a slot. Book of 99 will not remember that you were careful last time.
Close the game when the timer you set is up. Boreal Slots can describe that. It cannot tap you on the shoulder.
Who it suits
No volatility label was on the card, so this page will not invent who Book of 99 suits. What is known is the studio, Relax Gaming, and that play continues at Here2Win Casino.
How to play Book of 99 at Here2Win Casino: 7-step session protocol
- Check the verified Book of 99 return (95.08%) and Relax Gaming 5×3 classic video grid layout on this Boreal Slots specification card.
- Size your C$ session bankroll at 150x–200x your base spin stake using the interactive 100/250/500-spin calculator above.
- Open Here2Win Casino (here2win.com.au) and locate Book of 99 using the Relax Gaming studio filter or instant search bar.
- Launch Book of 99 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 C$ (such as C$0.20–C$1.00) so your session balance comfortably covers 200 to 300 spins.
- Lock in a session timer and stop-loss limit at Here2Win Casino prior to spinning, keeping stake size flat through normal variance swings.
- Complete account KYC verification at Here2Win Casino early and use the same verified Interac rail for seamless C$ withdrawals.
Playing this slot
Search the lobby for Book of 99, the full title on this card. This page is only the Book of 99 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. Boreal Slots leaves those fields empty.
Players in Canada play this slot in the browser at Here2Win Casino, stake in C$. No app is installed from Boreal Slots.
Book of 99 is tagged Expanding Symbols. Those words are the only feature facts on the card.