Book of Muertitos: Slot Overview

Translated from Spanish, Book of Muertitos essentially means Book of Dead, though this “book of” title differs from the Play’n GO favourite in a lot of ways. Spearhead Studios has released several games in this style, but none hit quite as hard as Book of Muertitos. In truth, very few “book” slots match what it brings in terms of volatility and the chance of a huge payout. Much of the time, it can feel similar to other slots built on the same blueprint. But when the right symbols land in free spins, it can deliver in a way only a handful of games manage.

Anyone with plenty of slot experience will likely recognise the Mexican Day of the Dead, or Día de los Muertos. Celebrated on All Saints’ Day and All Souls’ Day (Nov 1-2), it’s a time when families come together to honour loved ones who have passed. Instead of sorrow, the event is filled with colour, music, life, and celebration. So, even with death as the theme, the mood is upbeat—making the lively visuals and soundtrack a natural fit for a slot.

In most respects, Book of Muertitos sticks to the familiar setup: a 5-reel, 3-row layout with 10 fixed paylines. The action takes place in a scenic Mexican cemetery, which could have felt gloomy if Spearhead hadn’t packed it with vibrant colour through symbols and effects, alongside cheerful music that keeps the tone light. When free spins arrive, the graveyard becomes even more animated, with extra lights and decorations adding to the party atmosphere. For a “book of” slot, the distinctive style makes you curious about what else Book of Muertitos has in store.

With stakes ranging from 10 p/c to $/€100 per spin, this is not a game that hands out big wins easily. Because Book of Muertitos is highly volatile and comes with a towering 27,000x  top prize, standard line hits tend to be smaller than in benchmarks like Book of Dead. As a result, the base game—and even the expanding symbol mechanic—feels more restrained, unless you manage to activate Book of Muertitos’ key advantage, explained below.

Wins pay left to right starting from reel one, needing at least three low symbols or two high symbols. Low pays are 10-A card royals decorated with Día de los Muertos designs, while the premium set features four characters: Pedro Mora, Sarita Esmeralda, Rodrigo Marino, and Rosario Escarlata. Land a five-of-a-kind premium combo and you’ll earn 25 to 100 times your stake—figures that can become far more dramatic during free spins.

Book of Muertitos: Slot Features

Like most games in this category, the main objective in Book of Muertitos is to reach the free spins round, where the special expanding symbol mechanic takes over. Thankfully, there’s an extra wrinkle here, meaning the effort put into making a standout Day of the Dead “book” slot actually pays off.

Everything revolves around the book symbol, which can appear on any reel and acts as both a wild—substituting for other symbols to complete wins—and the scatter. Hitting at least 3 book symbols triggers 10 free spins, which cannot be retriggered.

Before the bonus begins, one pay symbol is randomly selected as the special expanding symbol. Once standard wins have been paid, if the selected symbol forms a winning combination, it will expand to cover all positions on its reel. It then pays across all lines and from any position.

The twist shows up when book symbols land during free spins. When this happens, they also expand to fill the entire reel, substituting for the special symbol. On top of that, every expanded book symbol reveals a multiplier of x1, x2, or x3. If multiple expanded wilds are present, their multipliers combine by multiplication up to a maximum of x27.

One last detail: if there are 2 top-paying Rosario Escarlata symbols visible at the same time as three reels containing scatter wilds, then the wild multiplier always equals x3.

Book of Muertitos: Slot Verdict

It’s somewhat fitting that a Day of the Dead-themed slot brings a welcome spark to the overcrowded “book of” category. Book of Muertitos looks excellent, and its take on the Mexican celebration is handled with care, with clever touches across the UI, lively symbol animations, and a cemetery backdrop that feels suitably atmospheric. Even before the feature set kicks in, Book of Muertitos already separates itself from the pack.

Adding expanding wild multipliers to a “book” game was always going to be appealing, though it comes with compromises. It really depends on whether players are happy to trade the higher symbol values seen in other titles for lower ones, in exchange for the chance to stack one or more multipliers. The days of instantly landing five premium expanding symbols for a 5,000x win aren’t here. By itself, the best you can do with 5 expanded Rosario Escarlatas in Book of Muertitos is 1,000x. But the multiplying expanded wilds completely change the equation, making a full screen of Rosarios and wilds worth as much as 27,000x the bet in a single spin. Aside from Book of Shadows, very few rivals can match that kind of ceiling.

Book of Muertitos offers plenty for fans of the format to dig into. It’s openly highly volatile, so huge moments won’t show up every session. Still, when things line up, those expanding multiplier book wilds in free spins are every bit as exciting as you’d want them to be.