Game Information
Review of the slot machine Book of 4 Horsemen by Spinomenal
Introduction
Book of 4 Horsemen - this is an apocalyptic slot from the studio Spinomenal, released in March 2024. The game features a grim theme of the Four Horsemen of the Apocalypse with classic mechanics of the 'Book', known for hits like Book of Dead.
Key Features
- Theme: apocalypse, biblical horrors.
- Mechanics: expanding symbols in free spins.
- The Book symbol acts as both Wild and Scatter.
- High volatility and RTP up to 96.14%.
- Maximum win — up to 5000x the bet.
Design and atmosphere
The visual design of Book of 4 Horsemen is executed in grim, dramatic tones: dark landscapes, plagues, corpses, and images of the Horsemen (war, famine, plague, and death). The graphics are high-quality 2D animation, characteristic of Spinomenal. The sound accompaniment enhances the tension: deep hits of the horsemen, howling winds, and epic chords create a sense of impending doom.
Characteristics and symbols
Parameter table
| Parameter | Meaning |
|---|---|
| Developer | Spinomenal |
| Release date | March 2024 |
| Barabany / Linii | 5x3 / 10 fixed lines |
| Rate range | €0.10 – €100 |
| Max. Wins | 5000x |
| RTP | 88.94% / 91.71% / 93.96% / 96.14% (depends on the casino) |
| Volatility | High |
Payouts for combinations (at maximum bet per line)
- Golden Horseman: 5x the bet.
- Blue Horseman: 4x the bet.
- Red Horseman: 3x the bet.
- Plague Horseman: 2x the bet.
- Card symbols (A, K, Q, J, 10): up to 0.6x the bet.
Payouts are indicated for 5 symbols on the lines.
Bonus functions and unique mechanics
- Book (Wild/Scatter): substitutes for all symbols and activates the bonus when 3+ pieces appear.
- 3 books = x2 bets.
- 4 books = x25 bets.
- 5 books = x250 bets.
- Freespins: when activated, they give 10 free spins. Before starting, a special symbol is selected, which can expand to cover the entire reel and form winning combinations in any position.
- No risk game: the function of doubling is absent.
Expert opinions and recommendations
Book of 4 Horsemen — an excellent choice for players who value high volatility and the potential for big wins. However, due to the rare bonuses, it is worth playing with a bankroll reserve.
Recommendations
- Use demo mode to study the frequency of freespins.
- Optimal strategy — low bets in the base game to stay in the game longer.
- Do not rush for quick wins: the main income comes from freespins with expanding symbols.
Mathematical model
- RTP: up to 96.14% (one of the best ratings from Spinomenal).
- Volatility: high — long dry spells are followed by big payouts.
- Chances of winning:
- Frequency of bonus drops: ~1 time per 150–200 spins.
- Probability of getting 5 Books: extremely low (~1:10,000).
- Average win in freespins: 20–100x with a successful expanding symbol.
Compared to analogs
- Book of Dead (Play’n GO): higher bonus frequency, but lower max. win (5000x vs 5000x — equal, but Book of Dead more often gives average wins)
- Gates of Olympus (Pragmatic Play): multipliers up to x500, but no expanding symbols
- Book of Shadows (Nolimit City): more complex mechanics, RTP 96.01%, but higher entry threshold
Mobile version
The game is fully adapted for smartphones and tablets on iOS and Android. The interface scales without loss of quality, intuitive management is easy to understand. All functions, including freespins and payouts, work identically to the desktop version.
Pros and cons
Pros
- High RTP (up to 96.14%).
- Max. win up to 5000x.
- Quality atmospheric design.
- A simple yet effective bonus mechanic.
- Excellent mobile optimization.
Cons
- Very high volatility — not suitable for cautious players.
- No buy feature.
- Only 10 fixed lines — low by modern standards.
Locking
Book of 4 Horsemen — a powerful, atmospheric slot with proven mechanics and high potential. It is ideal for fans of 'book' automatons, ready for long sessions for one big win.
Overall rating: 8.5/10
Frequently Asked Questions (FAQ)
When was Book of 4 Horsemen released?
- The slot was released in March 2024.
Can you play without a bet?
- Yes, the demo version is available on the websites of casinos and slot aggregators.
Is there a Buy Feature?
- No, bonus returns can only be obtained in the base game.
What is the maximum win?
- Up to 5000x from the total bet.
Does the game support mobile devices?
- Yes, it is fully adapted for smartphones and tablets.