Game Information
Review of the game machine Book of Rampage from Spinomenal: expanding symbols in Wild West
Introduction
Book of Rampage — this is a video slot from the studio Spinomenal, released on September 27, 2021. The game is set in the popular theme of «Books» with a bright western-style backdrop, where players encounter cowboys, sheriffs, and deserted landscapes. The main feature of the slot is the classic mechanics of the expanding symbol during free spins, characteristic for the Book series.
Key Features
- Theme: Wild West / Book.
- Maximum win: up to 5,000x stake.
- Bonus free spins with an expanding symbol.
- The possibility of purchasing a bonus (in some versions).
- Mobile Device Adaptation.
Design and atmosphere
The graphics of Book of Rampage are executed in rich earthy tones: sandy dunes, cacti, wooden posts, and a sunset sky create the atmosphere of the American frontier. The symbols are detailed portraits of cowboys, sheriffs, Indians, and women-robbers. The sound accompaniment includes guitar motifs, sounds of the wind and gunshots, enhancing immersion. The overall impression is quality, but without excess: the slot is oriented towards functionality and recognizable mechanics.
Characteristics and symbols
Parameter table
| Parameter | Meaning |
|---|---|
| Developer | Spinomenal |
| Release date | September 27, 2021. |
| Barabany / Linii | 5x3 / 10 fixed lines |
| Rate range | from €0.10 to €100 |
| Max. Wins | up to 5,000x bets |
| RTP | from 88.94% to 96.14% (depends on the casino) |
| Volatility | High |
Payouts for combinations (at maximum bet per line)
- Cobra (high symbol): x500 for 5 symbols.
- Sheriff: x250 for 5.
- Indian: x200 for 5.
- Woman-merchant: x150 for 5.
- Cards A, K, Q, J, 10: x10–x50 for 5.
Bonus functions and unique mechanics
- Book Symbol (Scatter/Wild): substitutes for other symbols and triggers the bonus when 3+ land on the reels.
- Free spins: activates 10 free spins. Before the start, one symbol (except for the Book) is randomly selected and becomes expanding — it fills the entire reel when it lands.
- Bonus purchase: available not in all jurisdictions; the cost usually amounts to 100x the bet.
- Risk game: absent.
Expert opinions and recommendations
Book of Rampage — a reliable choice for fans of the 'Book' genre. Its high volatility means rare, but potentially large wins.
Experts recommend
- Play with a low base bet to trigger the 'saves'.
- Use automatic mode with limited balance.
- Avoid bonus purchases with RTP below 95%, as EV (expected return) can be negative.
- Try the demo version before playing for real money.
Mathematical model
- RTP: varies from 88.94% to 96.14% depending on the operator's casino. The optimal version is 96.14%.
- Volatility: high — frequency of wins is low, but sizes are significant.
- Chances for a bonus: approximately 1 in 150 spins (estimated, based on the analysis of analogs).
- Max. win: 5,000x — typical for slots in the 'Book' category.
Compared to analogs
- Book of Dead (Play’n GO): higher volatility, RTP 96.21%, similar mechanics, but a more expensive license for casinos.
- Book of Ra (Novomatic): classic of the genre, RTP ~92.20%, outdated graphics, but proven mathematics.
- Book of Shadows (Nolimit City): significantly higher volatility, RTP 96.04%, up to 100,000x wins, but more complex in execution.
Mobile version
Slot fully adapted for smartphones and tablets on iOS and Android. The interface scales automatically, all buttons are conveniently placed, and performance is stable even on older devices.
Pros and cons
Pros
- High potential of winnings (5,000x).
- Clear theme and quality graphics.
- Support for mobile devices.
- Ability to purchase bonuses (in permitted regions).
- Flexible betting range.
Cons
- High volatility — not suitable for cautious players.
- RTP depends on the amount (can be reduced to 88.94%).
- No risk-game and additional mini-bonuses.
- The mechanics are slightly different from other 'Book' slots.
Locking
Book of Rampage — a worthy representative of the genre with proven mechanics and good potential. It does not pretend to be innovative, but offers an honest and engaging game for fans of westerns and classic bonuses with expansion.
Overall rating: 8.2/10
Frequently Asked Questions (FAQ)
When was Book of Rampage released?
- September 27, 2021.
What is the RTP of the slot?
- From 88.94% to 96.14% depending on the casino. Please check the rules of the specific operator.
Can you play without a bet?
- Yes, the demo version is available on the websites of casinos and slot aggregators.
Is there a bonus purchase?
- Yes, but only in jurisdictions where it is allowed (for example, not in Great Britain).
What is the maximum win?
- Up to 5,000x from the total bet.