Doubles

Doubles Slot: Comprehensive Data Analysis

Core Game Specifications

Attribute	Value
Developer	Yggdrasil Gaming
Release Date	October 1, 2015
Theme	Fruit, Retro arcade
Layout	5 reels, 3 rows
Paylines	243 ways to win
Bet Range	0.25–50 (coin value 0.01–2 multiplied by 25)
Core Mechanics	Double‑sized symbols, Free spins with symbol doubling, 243 ways to win
Technology	HTML5, JavaScript
Compatibility	Desktop and mobile

Mathematical & Payout Model

Symbols & Paytable Hierarchy

Tier	Symbol(s)	Function & Value
Low Tier	plum, lemon, orange, watermelon, cherries	Provides small, frequent wins to maintain gameplay.
Mid Tier	horseshoe, star, seven	Thematic items offering moderate payouts.
High Tier	diamond	Highest paying symbols. Top hits available with full combinations.
Scatter	Double D free spins symbol	Triggers free spins / bonus round when enough appear.

Doubles Bonus Features Mechanics

Feature	Trigger	Initial Award	Core Mechanic	Enhancement/Retrigger
Free Spins with symbol doubling	Landing 3, 4, or 5 Double D scatters	10, 20, or 40 free spins	Player selects a symbol to appear as double during free spins	Free spins can be retriggered

Frequently Asked Questions (FAQ)

How many ways to win does Doubles offer?	Doubles offers 243 ways to win on every spin.
What is the RTP of Doubles?	The RTP of Doubles is 96%.
What is the volatility of Doubles?	The volatility of Doubles is medium.
How do double symbols work?	Double symbols count as two symbols and can create up to ten matching symbols on a win line.
How are free spins triggered?	Landing three, four, or five Double D scatter symbols awards 10, 20, or 40 free spins respectively.
What happens during free spins?	Player chooses a symbol that will appear as doubles during free spins to boost wins.
What is the maximum win?	The maximum win is 1000x the bet.
What is the bet range?	The bet range is from 0.25 to 50 per spin.

Doubles Performance Summary: Strengths vs. Weaknesses