Book Of Santa Slot Review
The reels sit in a stone chamber glowing red like the inside of a hearth, candy-cane poles dividing the grid and a pine garland with a single red bauble wrapped around the title banner. It’s Christmas seen from somewhere deep and warm rather than a snow-dusted street. Endorphina’s Book Of Santa is one of the very few book slots where the maths genuinely favours you, running a total return of 98.05% on a 5×3 grid with 10 paylines.
That figure does most of the talking for a game built on a template Endorphina know well, with Book of Vlad and Santas Gift on the same shelf, and Royal Xmass nearby for anyone still in the seasonal mood. Stakes run from 0.10 to 160 per spin. Whether near-perfect maths justifies another entry in the most crowded format in slots is the fair question.
Symbols and Pays on Ten Lines
Wins are combinations of a kind on enabled paylines, adjacent from the leftmost reel, and the Book scatter counts in any position. The Book doubles as the wild, substituting for every paying symbol. For that combined role it pays 2x, 20x and 200x the total bet for three, four and five.
Every value below is a multiple of the total bet.
- Santa: 1x for two, 10x for three, 100x for four, 500x for five
- Bell: 0.5x for a pair, then 4x, 40x and 200x for three, four and five
- Star and Sleigh: a shared mid tier, starting at 0.5x for a pair and climbing to 75x for five
- A, K: worth 0.5x, 4x and 15x from three of a kind upward
- Q, J, 10: the low tier, topping out at 10x for five
Santa’s 500x for a full line is the ceiling outside the bonus. The royals pay modestly beneath him.
Ten lines on a 5×3 grid is the classic book configuration, so nothing here will surprise anyone who has spun one of these before. What the paytable does do is funnel attention upward. The gap between Santa and everything below the Bell is steep, and mid-symbol wins mostly exist to keep the balance ticking between features.
Free Games with the Expanding Symbol
Three or more Books trigger 10 Free Games. Before the first spin plays out, a random symbol is chosen and given the capacity to expand, and the round runs on the same bets and lines as the triggering spin.
Position doesn’t matter to the expansion, only count. Enough of the chosen symbol landing anywhere on the reels to complete a winning combination sets them stretching vertically to fill their reels. That happens after the regular pays have settled, so a single spin can win twice over.
Once expanded, the symbols pay for combinations of a kind in adjacent and non-adjacent positions, on enabled paylines only. One restriction matters: during Free Games the wild can’t substitute for the special expanding symbol. The chosen symbol has to complete its own combinations.
Free Games can be won again during the feature, so a lucky run keeps refilling the round. The dream scenario is the one every book slot chases: Santa selected, landing enough times, stretching across all five reels with a 500x top pay waiting behind it.
It’s worth spelling out the sequence, because the order decides what a spin is worth. Regular symbols pay first, line wins for adjacent combinations from the left. Then any expansion is checked, and the expanded symbols pay their combinations separately. Two pay events from one set of reels is the whole reason the round exists.
The Risk Game
Every win can be gambled. Four face-down cards are dealt against the Dealer’s card, and beating it doubles the win. A correct pick allows another go, up to 10 attempts in total. One loss ends the round and takes the winnings with it.
TAKE WIN banks the current total at any point, and there’s no penalty for quitting early. The Joker beats every other card, and the Dealer never draws one, so a Joker on your side of the table is a guaranteed double. A matching value is a draw: the winnings stay as they were and another attempt is allowed.
Closed cards can sit higher or lower than the Dealer’s, cards can reappear between rounds, and the dealing probabilities aren’t equally distributed. That last detail is the interesting one.
Take the risk on every round, whatever the Dealer shows, and the Risk Game returns 84% on average. That average conceals a wide spread, because the odds swing sharply with the Dealer’s card. Gambling against a weak Dealer card is favourable; against a strong one, the expected value drops well below even. Reading the Dealer’s card before deciding isn’t optional if the gamble matters, it’s the entire strategy.
Our Honest Verdict
Overall Rating: 7.7/10
This is a game you play for one reason: its return is about as generous as the book-slot aisle ever gets, and it’s wrapped in a hearth-warmed Christmas setting that’s nicer to spend time in than most festive attempts. The rest of a session is waiting. The Free Games round does everything the format promises and nothing more.
The Risk Game is the part that rewards attention. Because the expected return moves with the Dealer’s card, the smart play – gamble low, bank high – is a genuine decision rather than a coin flip. The weakness is the base game: ten lines, a 500x ceiling and long stretches where nothing happens, exactly as the template prescribes.
For fans of the expanding-symbol format who want the most generous maths on the shelf, this is the easy pick. Anyone hunting variety between triggers will find the fire goes out long before the feature arrives.
Book Of Santa FAQs
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What is the RTP of Book Of Santa?
Book Of Santa runs at a total return to player of 98.05%, which is well above the industry average. The Risk Game has its own separate average return of 84%. -
How many paylines does Book Of Santa have?
Book Of Santa is a 5-reel, 3-row slot game with 10 paylines. Wins need matching symbols on enabled paylines, adjacent from the leftmost reel, while scatter symbols count in any position. -
What is the grid size of Book Of Santa?
The game uses a 5×3 grid, meaning five reels and three rows. -
Who makes Book Of Santa?
Book Of Santa is made by Endorphina. -
How do you trigger the Free Games in Book Of Santa?
Landing three or more Book scatter symbols triggers 10 Free Games with a special expanding symbol. The round is played with the same bets and lines as the triggering spin. -
How does the expanding symbol work in Book Of Santa?
At the start of the Free Games a random symbol is selected and given the capacity to expand. When enough of that symbol are present on the reels to complete a winning combination, they stretch vertically after the regular pays have settled. Expanded symbols then pay in adjacent and non-adjacent positions on enabled paylines only, and the wild can’t substitute for them during Free Games. -
Can Free Games be retriggered in Book Of Santa?
Yes, Free Games can be won again during the feature. -
When should you take the Risk Game in Book Of Santa?
The gamble returns 84% on average if you always take it, but the odds move sharply with the Dealer’s card. Gambling against a weak Dealer card is favourable, while a strong Dealer card makes collecting the safer play. The Joker beats all other cards and the Dealer can never draw one.
