Zillion Games
Book of the Cleo
Slots · Released July 23, 2026
Its 95.35% return sits level with the 95.35% median across the 86 Zillion Games titles in our catalogue.
Against everything released in 2026, where the median is 96.1%, it lands below the middle of the field.
- 18+ / 19+ depending on province
- Editorial site, not an operator
- Release data checked against provider paytables
- Independent of every studio listed
Book of the Cleo at a glance
95.35%
RTP
High
Volatility
1,675x
Max win
5x3
Grid
Paylines
Pays by
1.98%
Hit frequency
Play the Book of the Cleo demo
Virtual credits only. 18+/19+ depending on your province.
Demo play uses virtual credits only. No money is wagered and nothing can be won.
How Book of the Cleo pays
The game runs on 5 reels of 3 rows, 15 positions in total.
Wins follow fixed patterns running across the reels, and a symbol only counts when it sits on an active line. The paytable lists every line the game uses, so a winning-looking screen can still pay nothing if the symbols fall off-line.
Long stretches without meaningful wins are normal, and most of the return is concentrated in the bonus round. The published return figure is a long-run average that individual sessions rarely resemble.
The ceiling is 1,675x the stake, so a $1 spin caps at $1,675.
Budget for 300 or more spins at a stake small enough to survive a dry run, since the base game alone will not sustain the balance.
It is the 20 of 20 2026 releases from Zillion Games that we track , following Royal Crown Wheel .
What Book of the Cleo actually does
Book of the Cleo is tagged with 6 mechanics. Here is what each one means in play.
Free Spins
Free spins run without deducting from your balance, and the round usually carries a modification the base game does not have, such as added multipliers or extra wilds. The number awarded is normally tied to how many scatters landed to trigger it.
Wild
A wild stands in for most paying symbols to complete a line that would otherwise fall short. It usually cannot replace scatters or bonus symbols, so it helps with regular wins rather than with triggering the bonus round.
Scatter
Scatter symbols count wherever they land, ignoring paylines and reel positions. In most games they are the trigger for free spins, and in some they also pay on their own.
Jackpot
A jackpot sits outside the normal paytable and is awarded through its own trigger, often a dedicated symbol collection or a bonus wheel. Fixed jackpots pay a set amount, while progressive ones grow from a share of every stake until someone wins.
Expanding Symbols
A selected symbol stretches to cover the whole reel when it lands, so partial coverage becomes full coverage. This is a common free spins mechanic where the expanding symbol is chosen at the start of the round.
Hold And Win
Landing enough special symbols starts a round where they lock in place and the remaining positions respin, usually with three attempts that reset each time a new symbol lands. The round ends when the attempts run out or the grid fills.
Setting and presentation
Egyptian. Pharaohs, tombs and hieroglyphs, one of the oldest and most crowded themes in slot design.
Gold. Bullion, coins and ingots as the visual language, typically paired with cash collection or hold and win mechanics.
Before you spin Book of the Cleo
- 1
Set your stake
Use the stake control to pick a level you can repeat for a full session. In demo mode the credits are virtual, so treat the figure as a rehearsal for real stakes rather than a score.
- 2
Know how it pays
Wins follow fixed patterns running across the reels, and a symbol only counts when it sits on an active line. The paytable lists every line the game uses, so a winning-looking screen can still pay nothing if the symbols fall off-line.
- 3
Match the session to the volatility
Budget for 300 or more spins at a stake small enough to survive a dry run, since the base game alone will not sustain the balance.
Games like Book of the Cleo
| Game | Provider | RTP | Volatility | Max win | Released |
|---|---|---|---|---|---|
| Royal Crown Wheel | Zillion Games | 95.2% | high | 1,000x | 2026-07-16 |
| Pharaoh Luck | Onlyplay | 95.5% | high | 10,000x | 2026-07-09 |
| Epic Ape: Blitz Cash Collect | Playtech | 95.6% | high | 10,000x | 2026-03-16 |
| 3 Buffalo's Fireshoe | Zillion Games | 95.87% | high | 3,000x | 2026-07-09 |
| Buffalo Mania: Thunder Springs | RealTime Gaming | 95% | high | 50,000x | 2025-12-10 |
| Fishin' Frenzy The Big Catch 3 | Blueprint Gaming | 95% | high | 10,000x | 2025-07-31 |
Selected by provider, shared mechanics and a comparable return profile, not by popularity.
Book of the Cleo questions
What is the RTP of Book of the Cleo?
Book of the Cleo runs at a published return to player of 95.35%. That figure is a long-run average measured over millions of spins, not a target for any single session.
Can I play Book of the Cleo for free?
Yes. The demo on this page runs the game with virtual credits, with no deposit or signup. Nothing can be won, and nothing is wagered.
What is the maximum win on Book of the Cleo?
The ceiling is 1,675x the stake, so a $1 spin caps at $1,675. Wins of that size are extremely rare and should not be treated as a realistic outcome.
Written by Tasho Tashev
Slots & Crypto-Casino Editorial Author
Tasho Tashev covers slot mechanics and provider-published RTP/volatility data across an independent portfolio of game guides, with this site tracking new slot and instant-game releases for players in Canada.