Book of Odin
95.95
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Specialist Content Contributor
15.12.2025
Updated
Book of Odin Review
Book of Odin by TrueLab Games presents a mathematically balanced slot design that combines classical “book-style” mechanics with adjustable volatility through variable paylines. Operating on a 5×3 grid, it merges nostalgic familiarity with measured mathematical depth. The game’s medium volatility profile and 96.16% RTP create a moderate risk–reward spectrum, while the x10,000 maximum exposure introduces high potential within statistically stable play. Featuring Free Spins with expanding symbols, Wild Scatters, and a Buy Feature, the slot embodies a hybrid of legacy and modern slot engineering, optimized for consistent medium-variance performance.
Slot Information
Return to Player (RTP) Return to Player (RTP) The Return to Player is a statistic that aims to show the player's edge over the casino – the higher this number is the better! We review all slots based on this RTP value so click on the percentage on the right to find our more slots with a similar RTP!
96.16%
Volatility Volatility Volatility or Variance is meant to describe the winning potential of a slot game: a high volatility will have you win big but no so often, while a low volatility will let you win frequently, but less.
Medium
Progressive Slot Progressive Slot A progressive slot is a slot that keep on growing its total possible winning pool; usually linked by a network of slots. It is also known as a jackpot.
Slot type Slot type Slots can be categorized as classic, 3D, video slots, etc. Click on the type of slot on the right to see similar types of slots!
Video Slot
Rows Rows Part of the design of the slot, the rows are the horizontal lines that trigger special features when certain paying symbols fall in place.
3
Reels Reels Reels are the vertical lines that are build in the slots architecture; together with the rows they help trigger special winning combinations.
5
Paylines Paylines Paylines, or betting lines, are the pre-determined links of symbols across the rows and reels of a slot. A slot can have anywhere from just 1 payline or up to thousands paylines!
10
Slot Layout Slot Layout The layout of the slot is the way the slot is built, based on the number of rows, reels and paylines.
5×3
Slot Features
Minimum Bet Minimum Bet The minimum accepted amount that will allow you to spin the reels of this slot game.
€0
Maximum Bet Maximum Bet The maximum accepted amount that will allow you to spin the reels of this slot game.
€500
Maximum Win Maximum Win The total maximum amount that you could win triggering the biggest winning combo.
€5,000,000
Available Available The operating systems this slot game is optimized for – both PC and Mobile.
Android, iOS, Windows
Auto Play Auto Play Auto Play is a built-in function on the slot interface that enables automatic spinning of the slot without the player having to press the Spin button on every spin. Usually, the function can be preset to auto execute a certain number of spins like 20,50, 100, or more. Players can typically define their bet amount and set loss limits before starting Auto Play.
Book of Book of The Book of feature is a popular slot mechanic where a special symbol acts as both a scatter and a wild. When three or more Book symbols appear on the reels, they trigger a bonus round with free spins and an expanding symbol feature.
Free Spins Free Spins Free spins are the most popular feature in online slots today. Usually they are not just a free spinning on the usual gameplay of the slot but are bundled into separate and more exciting feature with special effects and much greater winning potential.
Pros
- Balanced RTP of 96.16% supports stable returns.
- Wild Scatter dual function enhances both frequency and potential.
- Buy Feature allows direct access to Free Spins.
- Wide betting range supports low- and high-stake playstyles.
Cons
- Limited feature diversity beyond the core bonus.
- Symbol expansion restricted to bonus play.
- Predictable bonus structure limits novelty factor.
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Book of Odin Slot Overview
Book of Odin operates on a 5×3 layout with 1 to 10 variable paylines, letting players manually adjust volatility by altering the number of active lines. The RTP of 96.16% and medium volatility classification create an equilibrium between payout stability and high-end exposure, culminating in a 10,000x top win. The structure allows mathematical flexibility, making it suitable for both conservative and risk-seeking profiles.
Thematically, it draws from Norse mythology, centering on Odin’s knowledge and power. Symbol designs include swords, ancient tomes, and Nordic iconography, rendered in luminous blue and gold tones. The Free Spins feature functions as the core reward vector, offering an expanding symbol selected before the round begins. Combined with Wild Scatters that trigger the bonus and substitute regular icons, the visual and mechanical synergy results in a consistent, rhythmically engaging slot experience.
Math Profile Breakdown (RTP, Volatility, Betting Range)
RTP: 96.16%
Volatility: Medium
Bet Range: 0.10–500
Max Exposure: 10,000×
The numerical profile reflects equilibrium-focused engineering. RTP slightly exceeds the 96% industry standard, allowing long-term consistency across extended play sessions. The medium volatility ensures moderate win amplitude without prolonged dry cycles. The wide bet spectrum and the variable paylines mechanic provide statistical adaptability, enabling volatility modulation per player preference. The 10,000× potential acts as a high ceiling event, primarily accessible through expanding symbol rounds.
Book of Odin Base Game Analysis
The base game operates on a traditional 5-reel, 3-row system where up to 10 paylines can be activated. Lower-value card suit symbols complement higher-paying thematic icons such as swords, shields, and Odin himself. The game’s hit rhythm remains steady, consistent with medium volatility, yielding a mix of smaller frequent wins and occasional larger line combinations.
During regular play, Wild Scatters perform dual functions: substituting for all symbols and acting as triggers for the Free Spins round when three or more land. The combination enhances symbol utility while preserving variance equilibrium. The absence of cascading mechanics focuses player attention on symbol alignment and the anticipation of Scatter occurrence, resulting in a statistically steady reward curve.
Mechanics That Drive Book of Odin
Core features include:
- Variable paylines (1–10 selectable)
- Wild Scatter substitution and trigger function
- Free Spins with expanding symbols
- Bonus Buy option
- Retriggerable Free Spins
Together, these systems uphold a controlled volatility framework centered on symbol expansion rather than progressive multiplier escalation.
Book of Odin Pay Symbols & Their Values
- High-value: Odin, sword, and mythical symbols offering the largest payouts.
- Medium-value: Themed Norse items such as shields and artifacts.
- Low-value: Card suit icons (A, K, Q, J, 10).
- Special: Wild Scatter acts as both Wild and Free Spins trigger; expanding symbols in bonus rounds extend vertically across the reel to enhance total line coverage.
2 = 20
3 = 200
4 = 2000
5 = 20000
2 = 10
3 = 80
4 = 800
5 = 4000
2 = 10
3 = 60
4 = 200
5 = 1500
2 = 10
3 = 60
4 = 200
5 = 1500
3 = 10
4 = 80
5 = 300
3 = 10
4 = 80
5 = 300
3 = 10
4 = 50
5 = 200
3 = 10
4 = 50
5 = 200
3 = 10
4 = 50
5 = 200
Devs Behind the Math in Book of Odin
TrueLab Games often focuses on fusing accessible volatility with mathematically distinct frameworks. Book of Odin maintains this principle by delivering a controlled medium-risk experience through adjustable paylines. The inclusion of a Buy Feature adds modern accessibility while retaining the timeless Free Spins and expanding symbol combination popularized by earlier “book” archetypes. The math profile reflects TrueLab’s emphasis on dependable payout pacing, clear probability mapping, and visually driven narrative alignment.
Book of Odin Session Simulation Summary
Across 200 spins at a 1-credit stake, 91 spins produced winning outcomes. The most frequent payouts stemmed from lower card-suit combinations, typically between 0.4 and 2.6 credits. A five-sword combination on spin 77 resulted in a 21-credit win, while three Odin symbols on spin 132 yielded 36 credits. Base game return-to-player across the session reached 142 credits.
Free Spins activated twice within the run, producing wins of 186 and 227 credits. In the second activation, the chosen expanding symbol was the sword, expanding across reels 2 to 4 and resulting in a 94-credit sequence during one expansion event. Total cumulative winnings amounted to 555 credits, with roughly 74% of the return sourced from bonus rounds, reflecting the bonus-centric distribution typical of book-type slots.
Book of Odin Innovation Score – Prequel, Sequel, or Reskin Check
Book of Odin shares its structural DNA with the traditional “book” category but operates as a distinct TrueLab implementation rather than a clone. While it employs familiar mechanics such as expanding symbols and Free Spins, its variable paylines, enhanced stake range, and dual Wild Scatter functionality distinguish it from common Book of Ra-style templates. Cross-referencing TrueLab’s earlier titles reveals no direct lineage or reused framework, confirming that Book of Odin functions as an independent entry inspired by but not derivative of legacy book mechanics.
The Mental Mechanics Book of Odin: How It Captures Attention
Book of Odin engages the player through predictability moderated by suspense. The potential of triggering Free Spins combined with the anticipation of which symbol becomes the expander generates a controlled psychological reward loop. The choice-driven volatility adjustment via paylines fosters player agency, reinforcing a sense of strategic engagement within a classical mathematical framework.
| Mechanic | Description |
|---|---|
| Expanding Symbols | Activate during Free Spins to cover full reels and enhance total payout potential. |
| Scatter Symbols | Trigger 10 Free Spins when three or more appear; can retrigger. |
| Risk/Gamble Feature | Not included; volatility modulation achieved through payline control. |
| Wild Symbols | Dual-purpose Scatter Wild substitutes for all symbols and triggers the bonus. |
| Stacked Symbols | Expanding feature temporarily creates stack-like coverage during bonus play. |
FAQs About Book of Odin Slot
The maximum win is 10,000x, achievable during Free Spins with expanding high-value symbols, though statistically rare.
Yes, the Free Spins round activates with three or more Wild Scatters and includes expanding symbols.
The RTP is 96.16%.
Yes, it is fully optimized for all mobile platforms using HTML5 technology.
Yes, a demo mode is typically provided.
No, it is an original TrueLab release, not a direct sequel or reskin.
No, it is classified as a medium volatility slot.
Content Writer
A detail-oriented content strategist focused on the online slot industry, Mladen specializes in scientific-style slot reviews, session simulations, and in-depth mechanical breakdowns. With a strong editorial framework that prioritizes originality, structure, and compliance with evolving content policies, they consistently deliver high-level insights across new and upcoming titles. Their expertise spans statistical interpretation, visual analysis, and gameplay logic, with a commitment to eliminating boilerplate phrasing and ensuring full alignment with provider-specific mechanics and themes.
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