Trustworthy BankingTrustworthy Banking

Free play

Our website does not feature any real money casino games. All games available are complimentary and do not offer real money winnings. There are no taxes or fees for accessing our site. Your personal information remains secure, adhering to our Privacy Policy. Please note, that SlotsCalendar is exclusively for individuals aged 18 and above.

Free play

Our website does not feature any real money casino games. All games available are complimentary and do not offer real money winnings. There are no taxes or fees for accessing our site. Your personal information remains secure, adhering to our Privacy Policy. Please note, that SlotsCalendar is exclusively for individuals aged 18 and above.

Ad disclosure

SlotsCalendar is an affiliate site, meaning we include affiliate links in our content. If you visit a site through our link and make a deposit, we earn a commission at no additional cost to you. This may influence the product placement on our site, but it does not affect our evaluations. Our reviews and recommendations are impartial, following a commercially independent editorial policy with a well-established methodology. Be aware that the information on this page is updated frequently, but changes might happen without our immediate notification.

Ad disclosure

SlotsCalendar is an affiliate site, meaning we include affiliate links in our content. If you visit a site through our link and make a deposit, we earn a commission at no additional cost to you. This may influence the product placement on our site, but it does not affect our evaluations. Our reviews and recommendations are impartial, following a commercially independent editorial policy with a well-established methodology. Be aware that the information on this page is updated frequently, but changes might happen without our immediate notification.

Play responsible

Online gambling offers enjoyment, but it can result in addiction. Recognised as a mental health issue, gambling addiction carries both immediate and long-term repercussions. At SlotsCalendar, our aim is to enlighten our customers about the inherent risks involved. Keep in command, and gamble with responsibility!

Play responsible

Online gambling offers enjoyment, but it can result in addiction. Recognised as a mental health issue, gambling addiction carries both immediate and long-term repercussions. At SlotsCalendar, our aim is to enlighten our customers about the inherent risks involved. Keep in command, and gamble with responsibility!

Great
Category Video Slots
Slots Provider Relax Gaming
Reel Setup 10
RTP 99%
Game Volatility High
Jurisdiction
Curacao - CGCB, Denmark - DGA...
Bet Level 0.1 / 100
Free Spins Yes
Bonus Rounds Yes
Rating 10 / 10
Release Date 04 May 2021
Great

Details

Category Video Slots
Slots Provider Relax Gaming
Reel Setup 10
RTP 99%
Game Volatility High
Jurisdiction
Curacao - CGCB, Denmark - DGA...
Bet Level 0.1 / 100
Free Spins Yes
Bonus Rounds Yes
Rating 10 / 10
Release Date 04 May 2021

Similar Book of 99 Slots

Kraken's Cove Kraken's Cove
Relax Gaming
08/Jan/2025
SEE MORE DETAILS
Outlaw Territory Outlaw Territory
Relax Gaming
20/Dec/2024
SEE MORE DETAILS
Immortal 5 Immortal 5
Relax Gaming
05/Dec/2024
SEE MORE DETAILS
Winter Champions Winter Champions
Relax Gaming
19/Nov/2024
SEE MORE DETAILS
Money Sleigh Money Sleigh
Relax Gaming
14/Nov/2024
SEE MORE DETAILS

Book of 99 FAQ

  • What is the Return to Player (RTP) percentage for the Book of 99 slot?

    The Return to Player (RTP) percentage of Book of 99 stands at 99%.

  • Who is the developer behind Book of 99?

    Relax Gaming is the studio responsible for creating Book of 99.

  • Can I play Book of 99 for free?

    If you want to play Book of 99 for free, you are in the right place. Slotscalendar is offering a free version of Book of 99!

Like our page and get special bonuses

    Report Issue

    Submit