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Book of Kemet: expanding symbols and free spins at Slothunter Casino
BGaming's Book of Kemet runs free spins with expanding symbols on a 5x3 grid across 10 paylines, paying at 94.94% RTP with very high volatility.
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Book of Kemet: the setup
Book of Kemet: expanding symbols across five reels
Five reels, ten paylines, one expanding symbol
Book of Kemet is a 5-reel, 3-row Egyptian adventure from BGaming, released in March 2023. You spin across 10 fixed paylines where the main mechanic is the expanding symbol: during free spins, one regular symbol grows to fill entire reels when it matches, creating bigger wins. The game leans into Egyptian themes with symbols like the Pharaoh, Anubis and the Book Wild, and its very high volatility means long spells between wins are normal, but when they land, they can be substantial.
Book of Kemet suits players who embrace volatility
Book of Kemet suits you if you have a strong bankroll and enjoy rare, larger payouts over frequent small wins. The very high volatility and maximum win of A$90,000 at top bet signal a game built for players who can ride dry spells. If you prefer steady action and regular payouts, this slot's nature works against you. The ante bet option and the ability to buy free spins with pre-selected expanding symbols let you shape your approach, but both increase your total stake.
Why free spins matter most
Free spins shape every round of Book of Kemet. Land three or more Book symbols anywhere and you trigger ten free spins at your original bet. During these spins, one regular symbol stays active across the whole set of reels, marked in cyan above the reels, and expands whenever it matches on non-adjacent reels. This expanding mechanic is where the game's biggest wins form, and free spins can retrigger if you land three more Books, extending your bonus.
What shapes your session
Learn the figures that frame your play
Developer: BGaming
BGaming built this game with Egyptian themes and expanding symbols that reward longer bankrolls.
Return to player: 94.94%
You'll see 94.94 cents return per 100 staked over thousands of spins on average.
Win pattern: very high
Wins come rarely and can grow very large, so expect long pauses between payouts.
Playing field: 5x3
Five reels across three rows create ten fixed paylines where your matching symbols connect.
Win cap: x7 500
The largest possible win is capped at seven thousand five hundred times your single spin bet.
Maximum payout: A$90 000
At the highest bet of A$12, your largest win cannot exceed A$90,000 in a single round.
Release: 09/03/2023
The game launched in March 2023 and has evolved through player feedback and updates since.
Set your stake and spin
What happens when you spin Book of Kemet?
You'll know exactly what occurs during a single spin from bet placement through win calculation.
Stake range and controls
You select your wager using the bet controls, choosing from A$0.20 up to A$12 per spin. The amount you pick stays locked until you change it, letting you spin repeatedly at the same stake.
Two symbols to trigger a payout?
The five reels stop spinning and you check for two or more matching symbols along the ten fixed paylines. The game reads left to right across adjacent reels, and any payline with two or more of the same regular symbol or wild pays according to the paytable.
Regular spins and ordinary wins
Most spins contain just the base game action: you land regular symbols, books, or nothing. The reels reset and you spin again at your chosen stake, with each spin independent of the last.
Three books unlock the bonus
When you land three or more Book symbols anywhere across the reels in a single spin, the game awards ten free spins and picks one regular symbol to expand across entire reels whenever it appears.
Plan ahead, then spin
You set a loss limit or session time limit before you start playing, using Slothunter Casino's responsible gaming tools. These limits stay active across all your spins unless you adjust them.
What you'll see
What do the screens of Book of Kemet show you
You're choosing your bet and want to know how the game looks and flows before you start.
When the free spins start
What triggers the expanding symbol round?
Understand when you unlock free spins and what each bonus mode does for your stake.
When three books unlock your bonus
Three or more Book symbols anywhere in one spin trigger 10 free spins at your current bet. One regular symbol is chosen as the Expanding symbol, shown in a cyan box above the reels. It pays across non-adjacent reels and fills the whole reel wherever it lands.
When you want to guarantee the bonus
You can purchase a guaranteed free spins round before you spin, choosing from one to nine Expanding symbols active from the start. This costs between 110 times and 591 times your stake, depending on how many symbols you select. You cannot use this option and Chance x2 on the same spin.
Boosting your return with Chance x2
Toggle this optional bet to raise your RTP from 94.94% to 94.99%, with no distinct screen; only the bet field and spin button change. You cannot use this and Buy Bonus on the same spin. It works in the base game only.
Your everyday spinning mode
Every spin runs across five reels and three rows with 10 fixed paylines. Matching symbols on a payline win from left to right. The base game runs until you land three Books or buy a bonus, with no other special behaviour between spins.
Extra bets, extra control
Expanding symbols and ante bet options
One symbol locked in
A$1 100 (x110)
Guarantee one expanding symbol active during your free spins round from the moment it begins. At A$10 per spin, this costs A$1 100 to purchase before play starts.
Two expanding symbols ready
A$1 720 (x172)
Activate two expanding symbols from the start of free spins, both chosen by you in advance. At A$10 per spin, purchasing this bonus buy costs A$1 720 upfront.
Before and after: three symbols
A$2 350 (x235)
Three expanding symbols begin your free spins round already selected and active. What does it cost to lock three symbols in place? At A$10 per spin, the price is A$2 350.
Four symbols on the reels
A$2 980 (x298)
Set four expanding symbols to activate automatically when free spins trigger, giving you more reel coverage. At A$10 per spin, this feature purchase is A$2 980.
When you want five symbols
A$3 610 (x361)
Lock five expanding symbols in place before free spins begin, maximising your potential for big combinations. At A$10 per spin, buying this bonus feature costs A$3 610.
Can you select six symbols?
A$4 230 (x423)
Activate six expanding symbols from the start of your free spins round, each one filling a reel when it lands. Can you afford six? At A$10 per spin, the cost is A$4 230.
Choose seven symbols to expand
A$4 850 (x485)
Seven expanding symbols begin your free spins already active, covering most of the reel combinations you might land. At A$10 per spin, buying this bonus costs A$4 850.
Eight brings eight wins
A$5 440 (x544)
Pre-select eight expanding symbols for your free spins bonus, offering maximum coverage of potential winning combinations. At A$10 per spin, this purchase price is A$5 440.
Before any spin: all nine symbols
A$5 910 (x591)
Book of Kemet lets you lock all nine regular symbols as expanding symbols in your bonus round from the start. At A$10 per spin, purchasing this maximum option costs A$5 910.
Book of Kemet at higher stakes
A$10 → A$16
Raise your bet by 1.6 times to improve your odds in the base game, with every spin costing more. At A$10 per spin, adding the ante bet raises your cost to A$16 per spin.
3 ways to experience this slot
How to learn the game risk-free
What happens in demo play?
The demo version shows you every symbol, payline and feature in full. You receive virtual credits to spin with, watch wins form, and see how the expanding symbol behaves during free spins. No money changes hands and you keep no winnings.
Play demoReal money: real stakes and real wins
When you move to real money, your stakes and any wins belong to you. The reels work identically to the demo, the paytable stays the same, and the expanding symbol rule is unchanged. Your actual balance rises or falls with each spin.
Play for moneyYour long-run average
What you receive versus what you risk
RTP 94.94% · Standard game
Average payout per 100 staked: A$94.94 · House advantage per 100 staked: A$5.06
What you cannot know
When the bonus lands remains a mystery
RTP and volatility show long-term patterns, not what happens on your spin
Plan for any gap between bonuses
The Book symbol triggers free spins when it lands, but you cannot predict which spin will bring three Books. Long stretches without a bonus round are entirely normal on this game.
Randomness over your play
Over time, Book of Kemet returns 94.94% of stakes. Your next session might climb sharply or drift downward. No streak, pattern or bet method changes what randomness delivers.
Book of Kemet tops out rarely
Book of Kemet pays up to A$90,000 at maximum bet. This ceiling is reached extraordinarily rarely. Very high volatility means most wins sit well beneath that figure.
Browse related titles
Before you commit, see what else BGaming offers
Find other high-volatility expanding symbol slots and adventure themes at Slothunter Casino
Book of Kemet answers
Common questions about Book of Kemet
Can you buy the bonus round in Book of Kemet?
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Yes. You can purchase a guaranteed Free Spins round with 1 to 9 pre-selected Expanding symbols active from the start. Costs range from A$1,100 to A$5,910 at the example top bet of A$10, or 110 to 591 times your stake. Buy Bonus and Chance x2 cannot be active together.
Do I need to know the RTP of Book of Kemet?
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The standard game returns 94.94% of stakes over time. This figure applies to the base game and Free Spins rounds triggered naturally by landing three or more Books. When you activate the Chance x2 side bet, the RTP rises slightly to 94.99%.
What if Book of Kemet goes long without a win?
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Book of Kemet is very high volatility. Long runs without a win are normal here. When wins do land, they can be very big. Your session swings will be wider than in low volatility slots, and patience is part of the game.
What if you want to bet more or less on Book of Kemet?
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You can stake anywhere from A$0.20 to A$12 per spin. At A$0.20 you could win up to A$1,500; at the top bet of A$12 your maximum win is A$90,000. You can also activate the Ante Bet at 1.6 times your base stake to boost your odds.
Responsible gaming
Book of Kemet stays a game, not a goal
Read this before your first spin if you want to stay in control of your play.
Decide what you can afford
Decide how much you can afford to lose on Book of Kemet before you play. Set a budget in your account and stick to it, even if a big win feels close.
Stop when you decide to
Plan when you will stop playing, whether you are ahead or behind. Winning can feel like a sign to keep playing; walk away on your own terms instead.
Set account protections now
Use your account's deposit and loss limits to cap what you spend. These tools work in the background and give you peace of mind during play.
Book of Kemet can wait
If Book of Kemet stops feeling fun or you feel out of control, take a break or self-exclude. Gambling Help Online, Lifeline Australia and the National Self-Exclusion Register are here for you.