BOOK OF 99 SLOT REVIEW
5.0/5

BOOK OF 99 SLOT REVIEW

Play Book of 99 for free or for real money at Dream Vegas Casino. Full T&C apply.
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T&Cs Apply
New customers only

18+. New players only. One offer per player. Min Dep £20. 100% Matched Deposit bonus up to £300. Spins expire after 21 days of being issued. Bonus funds separate to Cash. Zero Wagering Requirements. Terms Apply. BeGambleAware.org.
Home » Slot Games » Book of 99

Reviewed by Stephen Cummings | Expected reading time 2 mins

Pros
  • High RTP (99.00%)
  • 5,000x max payout
Cons
  • Small wins not shown on screen

SITES WHERE YOU CAN PLAY BOOK OF 99 SLOT

4.5 rating
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100% Matched Deposit Bonus up to £300 + 25 Bonus Spins on Starburst
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New customers only

18+. New players only. One offer per player. Min Dep £20. 100% Matched Deposit bonus up to £300. Spins expire after 21 days of being issued. Bonus funds separate to Cash. Zero Wagering Requirements. Terms Apply. BeGambleAware.org.
4.5 rating
100% Matched Deposit Bonus up to £300 + 150 Bonus Spins
T&Cs Apply
New customers only

18+. New players only. One offer per player. Min Dep £20. 100% Matched Deposit bonus up to £300. Spins expire after 21 days of being issued. Bonus funds separate to Cash. Zero Wagering Requirements. Terms Apply. BeGambleAware.org.

GAME INFO AND RTP

FEATURE:INFO:
Slot:Book of 99
Theme:Greek Mythology
Slot Provider:Relax Gaming
RTP:99.00%
Release Date:May 30 2022
Slot Type:Video Slot
Mobile Friendly:Yes
Min/Max Bet:£0.10 – £20
Maximum Payout:5000x
Reels:5
Rows:3
Paylines:10
Free Spins:Yes
Respins:Yes
Bonus Game:Yes
Multipliers:Yes
Progressive Jackpot:No
Scatter Symbol:Yes
Wild Symbol:Yes
Sticky Wild Symbol:No
Autoplay:Yes
Volatility:High
Hit Frequency:N/A

SLOT OVERVIEW

Last Updated: April 29, 2024

Written by Stephen Cummings

Book of 99 online slot game

Themed around ancient Greek Gods, Book of 99 is an online slot game developed by Relax Gaming. This Book of 99 slot review has been written with you, the player, in mind and will break down everything you need to know about this online slot machine in several easy to follow paragraphs.

We will begin by talking you through the RTP and features before looking at maximum payouts, strategies and the advantages and disadvantages.

BOOK OF 99 RTP AND FEATURES

The RTP of Book of 99 is one of the very best around at 99%. This makes Book of 99 one of the highest RTP slots in the UK alongside the popular Ooh Aah Dracula, Monopoly Big Event and Mega Joker.

As well as an incredibly high RTP, Book of 99 also comes with several modern and exciting slot features. The re-trigger free spins are a particular delight. Look out for the cyclops symbols which will trigger some high multiplier wins. The full list of features in Book of 99 can be found via our list below.

Features in Book of 99:

  • Free spins
  • Wild symbols
  • Expanding wild symbols
  • Scatter symbols
  • Retriggers
  • Re-spins
  • Multipliers

EXPANDING SYMBOLS

During the free spins round, a special expanding symbol is selected and in addition to any normal line wins, pays out on all 10 lines according to the number of symbols landed.

COLLECTION

Whilst playing Book of 99, you will notice a collection meter to the left of the reels. For every wild symbol landed during the main game, you will get an extra step on the meter. The free spins will be triggered when the collection meter reaches 99.

The free spins will be played with a bet size corresponding to the average size of the bets used when filling up the meter.

BOOK OF 99 MAXIMUM PAYOUTS

Book of 99 has a maximum potential payout of 5000x the stake, which is above average in comparison with other video slots.

Book of 99 was released this year and is therefore an extremely modern online slot game which can be played at mobile slot sites and new online slot sites.

STRATEGIES FOR PLAYING BOOK OF 99

The SlotsHawk team has tested Book of 99 at Slotnite casino. In our opinion, it is best to utilise a fairly high betting strategy in order to take advantage of the high return to player percentage. We made bets of £2 per spin whilst playing.

The high variance factor meant that we knew that wins were likely to be few and far between. We managed to generate several wins over 20 mins of gameplay, one of which was 20x our bet. At the end of the 30 minute section, we generated a profit of £22.

ADVANTAGES AND DISADVANTAGES

Having played Book of 99 for real money, I wrote down what I believe to be the pros and cons of playing Book of 99 in comparison with some other slots.

Advantages:

  • Extremely high RTP
  • Easy to play
  • Nice background music

Disadvantages:

Small win totals are not shown in the middle of the screen

THE SLOTSHAWK VERDICT

SlotsHawk Verdict on Book of 99

“One of the highest RTP slot games in the UK, Book of 99 can be played at a variety of different online casino sites. SlotsHawk recommend this slot game due to its high RTP and also because it is simple to play.”

– SlotsHawk Casino Team

CONTRIBUTORS

Stephen Cummings

Greetings, I’m Stephen Cummings

Stephen Cummings is often referred to as ‘The Oracle’. What he doesn’t know about slot games isn’t worth knowing. He’s our genius slot machine analyst who spends most of his time reviewing new games & sites.

Slots analyst since 2020