Endorphina

Book of Vlad

Vampire Book Of slot with accumulator-activated expanding symbols

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built

RTP

96.01%

return to player

Volatility

High volatility

variance

Max win

5,000×

top multiplier

Min bet

$0.10

per spin

Reels

10 lines

Player rating

3.9 ★

15 votes

DEMO Play free, no signup

Endorphina

Embed on your site

3.9 / 5

15 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP9/10

RTP 96.01% → 9.0/10

Volatility9/10

high → 9.0/10

Win Potential7.4/10

x5000.00 (5000×) → 7.4/10

Features5.5/10

11 features → 5.5/10

Game Mechanics3.4/10

f=11 r=5 p=10 → 3.4/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation6.6/10

provider avg 6.6 → 6.6/10

Popularity5/10

synthetic proxy → 5.0/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 67 — Book of Vlad by Endorphina

https://slotranker.com/endorphina/book-of-vlad#score

How to cite

Slot Summary

Book of Vlad occupies the narrow space between a familiar Book Of slot structure and Endorphina's Vampire Horror treatment. The book works as both Wild and Scatter, but the more distinctive idea is an accumulator system that can activate additional expanding symbols during free games, giving its high-volatility model a route toward the 5000x maximum win.

How It Plays

The base game uses 10 paylines across a 5x3 layout. Matching regular symbols must appear on adjacent reels from the left, while Scatter awards are added separately.

The book carries the key dual role. It substitutes as a Wild for ordinary combinations and also acts as the Scatter that moves play into free games.

Theme & Atmosphere

Horror and Vampires define the setting, with Vlad placed in a mountain castle guarded by gargoyles. The Book theme frames the subject as a dark legend being recorded.

The gothic treatment favors isolation, old stone and predatory imagery. It gives the familiar Book structure a colder identity without obscuring the functional symbols.

Horror Vampires Book

Features & Win Potential

Blood Drop symbols fill separate accumulators linked to eligible regular symbols. Completing an accumulator activates that symbol's ability to expand and adds more free games.

An activated symbol expands only when enough matching instances are present to complete a win. This condition keeps Level Up tied to actual payline formation.

High volatility Scatter Symbol Wild Symbol 5 Reels Book Of...Symbols collection (Energy)Additional Free Spins 10 Paylines 96% RTP Risk/Gamble (Double) game Level Up

Bonus & Free Spins

Three or more book Scatters trigger seven free games with an expanding-symbol feature. Each completed accumulator adds two games, while another Scatter trigger during the round adds three.

Any regular symbol can gain expanding status through its accumulator. Once active, only the number of matching symbols matters when determining whether expansion completes a winning combination.

Spec sheet

Book of Vlad at a glance.

Identity

Slot nameBook of Vlad

StudioEndorphina

Released8/19/2022

Math

SlotRanker Score67

RTP96.01%

VolatilityHigh volatility

Max win5,000×

Bet range$0.10 – $100.00

Player rating3.9 / 5 · 15 votes

Format

Reels5

Paylines10

Layout5x3

Features

Themes

Expected average based on this slot's 96.01% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.60

Cost per session$1.60

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Book of Vlad? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: High

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (High). The model is calibrated so the average return equals this slot's published RTP (96.01%), with wins capped at its top multiplier (5,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Book of Vlad

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Compare Book of Vlad with other games

	Book of Vlad Score 67This game	Blood Suckers Megaways Score 83	Wild Witches Score 82	Empress of the Shadows Score 80	Blood Suckers Score 79
Identity
Studio	Endorphina	Red Tiger Gaming	Popiplay	Bullshark Games	NetEnt
Released	8/19/2022	1/26/2023	2/20/2024	9/24/2024	11/10/2013
Math
RTP	96.01%	97.66%	97.42%	96.31%	98%
Volatility	High volatility	High volatility	High volatility	Medium volatility	Low volatility
Max win	5,000×	20,521×	10,100×	12,000×	1,014×
Format
Reels	5	6	5	5	5
Layout	5x3	6x7	5x3	5x3	5x3
Paylines	10	0	15	20	25
Min bet	0.1	—	0.1	0.1	0.25
Max bet	100	4	20	100	50
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	—	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	✓	—	✓	✓
Bonus game	—	—	—	—	✓
Respins	—	—	—	—	—

Every number is shown as a delta against Book of Vlad.

Comparing against

Book of Vlad

Endorphina

RTP

96.01%

Max win

5,000×

Score

Blood Suckers Megaways

+ Free Spins+ Multiplier

Empress of the Shadows

+ Free Spins+ Multiplier

+ Free Spins+ Multiplier+ Bonus Game

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