The game at a glance
| Detail | Published game information |
|---|---|
| Provider | BGaming |
| Paylines | 10 |
| Published RTP | 96.99% |
| Provider volatility | Very high |
| Free-spin trigger | 3 or more scatters; 10 free spins |
| Feature change | A selected expanding symbol |
| Published win cap | 8,202 × stake |
Figures describe the supplier’s published configuration, rather than every GB installation.
A closer look, using virtual credits
This optional supplier example uses virtual credits. It is an international demonstration, not a verified GB casino edition; its currency, controls and features may differ. No deposit or cash withdrawal is available here.
Opening the example connects to the supplier, which receives your IP address and technical connection data. Its own privacy terms apply.
One book, two jobs
The Golden Book is both a wild and a scatter. Its wild role helps with qualifying combinations; its scatter role is used for entry to free spins. These are different functions of the same symbol, so a line explanation alone misses part of the game.
The ten-payline base game should also be kept separate from the feature’s chosen-symbol expansion. A title containing “Book” does not make every other book-themed slot’s rules applicable.
A chosen symbol changes the free spins
Three or more scatters award ten free spins. A symbol is selected for the expansion feature, and qualifying appearances are evaluated under those special rules. The selected symbol, rather than the Egyptian-cat setting, is the important state to follow between screens.
Additional qualifying scatters can retrigger free spins. The source used here does not establish every expansion threshold, so this guide does not invent a single minimum that applies to every selected symbol. Check the feature paytable for that distinction.
From scatter trigger to symbol expansion
Suppose three Golden Book scatters trigger the ten free spins. Follow the selected expanding symbol. On a later free spin, that symbol appears often enough to meet its feature condition, so the expansion rule is applied. The next evaluation uses that rule, not an assumed ordinary ten-line calculation.
There is no assigned cash win in this sequence. A different selected symbol or a screen that does not meet its condition can produce a different result.
Read 96.99% alongside very high volatility
The current international product page publishes 96.99% RTP and a very high volatility classification. The return is a long-run mathematical figure; the label describes variation. Neither tells you how many spins a small balance can fund.
BGaming lists an 8,202x stake maximum. Treat it as a supplier cap, not evidence that an expanded screen commonly pays that amount. This page does not establish a GB bonus-buy feature or a GBP stake range; use the actual version’s information before interpreting monetary limits.
A different way to read the reels
A few clear answers
Who makes Book of Cats?
BGaming makes Book of Cats. The supplier identifies this release as BookOfCats.
What is Book of Cats’ RTP?
BGaming publishes 96.99% for its international configuration. The return in an opened operator version must be checked separately.
Is there a way to force a Book of Cats win?
No rule sequence in this guide can force a winning screen. Understanding the selected expanding symbol explains evaluation; it does not predict the next random result.
Sources behind this note
Public documentation checked on 10 November 2026. Account-specific conditions and game versions may differ. This is not a record of a test deposit or played round.