Double Stacks

Double Stacks Slot: Comprehensive Data Analysis

Core Game Specifications

Attribute	Value
Developer	NetEnt
Release Date	24/09/2018
Theme	Fruit, Neon, Retro
Layout	5×3
Paylines	10
Bet Range	0.10–200 (currency units)
Core Mechanics	Double Stacks feature doubles symbols on full reels, Free Spins with stacked wilds and retriggers, Classic fruit machine aesthetic with modern visuals
Developer	NetEnt
Release Year	2018

Mathematical & Payout Model

Symbols & Paytable Hierarchy

Tier	Symbol(s)	Function & Value
Low Tier	cherry, plum, lemon, watermelon	Provides small, frequent wins to maintain gameplay.
Mid Tier	bell, BAR, 7	Thematic items offering moderate payouts.
High Tier	diamond	Highest paying symbols. Top hits available with full combinations.
Wild	wild symbol	Acts as a substitute / feature trigger per game rules.
Scatter	disco ball scatter	Triggers free spins / bonus round when enough appear.

Double Stacks Bonus Features Mechanics

Feature	Trigger	Initial Award	Core Mechanic	Enhancement/Retrigger
Double Stacks	Full reel of identical symbols		Symbols on that reel count as two for win calculation
Free Spins	3 or more scatter symbols	5, 15 or 30 free spins	Wilds and high‑value symbols can appear stacked	Retriggers via 2+ scatters award extra free spins

Frequently Asked Questions (FAQ)

How many paylines does Double Stacks have?	It has ten fixed paylines.
What is the RTP of Double Stacks?	The RTP is 96.10%.
What is the maximum win multiplier?	The maximum win is 1000x your stake.
How do I trigger Free Spins?	Landing three or more scatter symbols triggers free spins.
Can Free Spins be retriggered?	Yes. Landing two or more scatters during free spins awards extra spins.
What does the Double Stacks feature do?	When a reel is filled with the same symbol, each symbol counts as two for win calculation.
Do wilds appear stacked?	Yes. Wilds can appear stacked during free spins.

Double Stacks Performance Summary: Strengths vs. Weaknesses