The Queen of Spades

The Queen of Spades Slot: Comprehensive Data Analysis

Core Game Specifications

Attribute	Value
Developer	Thunderspin
Release Date	25.09.2016
Theme	Gothic, Steampunk, Playing‑cards, 19th‑century Russian society
Layout	5x3
Paylines	21
Bet Range	0.21–210
Core Mechanics	Doors bonus pick‑object game, Free spins with increasing multiplier, Stacked scatter triggering free spins, Multiplier up to 7× during free spins
Technology	JS and HTML5
Devices	Desktop, tablet, mobile

Mathematical & Payout Model

Symbols & Paytable Hierarchy

Tier	Symbol(s)	Function & Value
Low Tier	playing‑card symbols (jack to ace)	Provides small, frequent wins to maintain gameplay.
Mid Tier	butler, gentleman	Thematic items offering moderate payouts.
High Tier	Liza, Old Lady	Highest paying symbols. Top hits available with full combinations.
Wild	heart‑emblazoned pocket watch	Acts as a substitute / feature trigger per game rules.
Scatter	mechanical spade, stacked Liza	Triggers free spins / bonus round when enough appear.

The Queen of Spades Bonus Features Mechanics

Feature	Trigger	Initial Award	Core Mechanic	Enhancement/Retrigger
Doors bonus	Three mechanical spade scatters		Pick‑object through doors to reveal multipliers or end
Free spins	Stacked Liza symbols filling screen	15 free spins	Free spins with increasing multiplier and retriggers	Multiplier up to 7× during free spins

Frequently Asked Questions (FAQ)

How many paylines does the game have?	The game has 21 fixed paylines.
What is the RTP of the game?	The RTP is 96%.
What is the volatility level?	The volatility is low.
How do I trigger the Doors bonus?	Land three mechanical spade scatter symbols anywhere on the reels.
How are free spins triggered?	Stacked Liza symbols filling the screen trigger free spins.
What is the maximum multiplier during free spins?	The free spins feature includes a multiplier up to 7×.
What is the maximum win multiplier?	The maximum win multiplier is 1000x.

The Queen of Spades Performance Summary: Strengths vs. Weaknesses