Book Of 99
Gameplay, Reels & Features
Book of 99 uses the familiar “Book of” engine on a 5×3 grid with 10 fixed paylines. The Book is both Scatter and special symbol: land enough to trigger the Free Spins, where one expanding symbol is chosen to fill whole reels for bigger payouts, with unlimited retriggers.
What sets it apart from the crowd is the collection feature — gathering Wilds during the base game helps trigger the bonus, giving you a little more agency than a standard Book slot.
Where to Play Book of 99 in South Africa
Book of 99 is a Relax Gaming title, found at selected licensed South African sites that carry Relax Gaming games, in ZAR. Availability varies by operator, so check the slots lobby first.
For more on the studios behind SA slot lobbies, see our slot providers guide.
RTP, Volatility & Max Win
Book of 99 has a 99.00% RTP, leaving the house just a 1% edge — exceptionally generous, and one of the highest of any slot.
It’s a high-volatility game, so wins are less frequent but can be large, with a maximum win of up to 5,000x your bet through the expanding-symbol free spins. The mix of a Book mechanic and a near-perfect RTP is rare. Compare it in our highest RTP slots guide.
Play the Free Demo First
Before betting real money, play Book of 99 in free demo mode — the demo uses virtual credits and runs identically to the real game, so it’s the best way to learn the features risk-free. See our free slots and demo guide for where to play demos.
Tips & Responsible Play (18+)
Book of 99’s value is in the free spins and the high RTP, but it’s high volatility — keep your stake modest so you can ride out the gaps between bonuses. The collection feature rewards patience, not bigger bets.
Every spin is random (RNG) and can’t be predicted or forced. Slots are for players 18+ and are games of chance, not a way to make money. Set deposit and time limits, never chase losses, and for free, confidential 24/7 help, contact the South African Responsible Gambling Foundation on 0800 006 008. More on our Responsible Gambling page.
