RubyPlay

Dr Frankenstein

Slots Video Slots Horror History Science Fantastic Monsters Medicine

Laboratory Horror slot with random reel interventions

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

96.39%

return to player

Volatility

Medium volatility

variance

Max win

5,400×

top multiplier

Min bet

$0.20

per spin

Reels

50 lines

Player rating

4.7 ★

3 votes

DEMO Play free, no signup

RubyPlay

Embed on your site

4.7 / 5

3 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 96.39% → 9.0/10

Volatility8/10

medium → 8.0/10

Win Potential7.5/10

x5400.00 (5400×) → 7.5/10

Features6.5/10

8 features → 6.5/10

Game Mechanics6.3/10

f=8 r=6 p=50 → 6.3/10

Context signals (tie-breakers)

Layout5/10

6x4 → 5.0/10

Bet Flexibility6/10

0.2–30 (×150) → 6.0/10

Provider Reputation6.9/10

provider avg 6.9 → 6.9/10

Popularity7.5/10

search demand p96 + proxy blend (70/30) → 7.5/10

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: 74 — Dr Frankenstein by RubyPlay

https://slotranker.com/rubyplay/dr-frankenstein#score

How to cite

Slot Summary

Frankenstein's laboratory supplies the subject in Dr Frankenstein, but RubyPlay ties the familiar Horror figure directly to reel behavior. Igor can place Random Wilds before a spin, and Random multipliers may appear after it, including on the same result. Free Spins then change the Wild behavior by locking qualifying symbols in place, giving the 6x4 game a clear shift from intervention to accumulation.

How It Plays

The game uses 6 reels, 4 rows, and 50 paylines. Ordinary line play is interrupted when Igor places Random Wilds before the reels resolve.

After a spin, Random multipliers can also appear, and both interventions may occur on the same result. This makes timing, rather than a separate collection meter, the key variable.

Theme & Atmosphere

Horror, Medicine, Monsters, Science, and History meet inside Frankenstein's laboratory, placing the famous experiment and its creator at the center of the presentation.

The Fantastic treatment supports the game's sudden electrical interventions, while the laboratory subject gives the Wild and Multiplier events a coherent experimental purpose.

Horror History Science Fantastic Monsters Medicine

Features & Win Potential

Random Wilds alter the field before a spin, providing substitution across the 50 paylines. Their placement is determined by the feature rather than player selection.

A Random multiplier may arrive after the spin, and it can coincide with a Wild event. The x5400.00 ceiling defines the maximum combined outcome.

Free Spins 6 Reels Multiplier Wild Symbol Medium volatility 96% RTP Random multiplier 50 Paylines

Bonus & Free Spins

Free Spins are awarded after the qualifying trigger, with additional trigger symbols increasing the allocation. A red trigger converts into a locked Wild for the round.

Spec sheet

Dr Frankenstein at a glance.

Identity

Slot nameDr Frankenstein

StudioRubyPlay

Released10/9/2020

Math

SlotRanker Score74

RTP96.39%

VolatilityMedium volatility

Max win5,400×

Bet range$0.20 – $30.00

Player rating4.7 / 5 · 3 votes

Format

Reels6

Paylines50

Layout6x4

Features

Themes

This game is searched most in United States, United Kingdom, and Germany.

Expected average based on this slot's 96.39% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$2.89

Cost per session$2.89

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 Dr Frankenstein? 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: Medium

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 (Medium). The model is calibrated so the average return equals this slot's published RTP (96.39%), with wins capped at its top multiplier (5,400×).

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 Dr Frankenstein

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Compare Dr Frankenstein with other games

	Dr Frankenstein Score 74This game	It's Alive Score 51	Alive Megaways Score 83	Dr. Jekyll & Mr. Hyde Score 79	Jekyllz Wild Ultranudge Score 73
Identity
Studio	RubyPlay	Ready Play Gaming	Skywind Group	Betsoft	Bang Bang Games
Released	10/9/2020	3/24/2021	8/16/2021	7/29/2014	9/27/2022
Math
RTP	96.39%	94.93%	96.47%	96.17%	96%
Volatility	Medium volatility	—	High volatility	Medium volatility	Medium volatility
Max win	5,400×	—	10,000×	—	6,350×
Format
Reels	6	5	6	5	5
Layout	6x4	5x3	6x7	5x3	5x3
Paylines	50	25	200704	30	40
Min bet	0.2	0.25	0.2	0.02	0.2
Max bet	30	30	20	150	400
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	—
Free spins	✓	✓	✓	✓	✓
Scatter symbol	—	✓	✓	✓	✓
Multiplier	✓	—	✓	✓	✓
Bonus game	—	—	—	✓	—
Respins	—	✓	—	—	—

Every number is shown as a delta against Dr Frankenstein.

Comparing against

Dr Frankenstein

RubyPlay

RTP

96.39%

Max win

5,400×

Score

+ Scatter+ Respins− Multiplier

Dr. Jekyll & Mr. Hyde

+ Scatter+ Bonus Game

Jekyllz Wild Ultranudge

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