Skulls Up!

Skulls UP! Slot: Comprehensive Data Analysis

Core Game Specifications

Attribute	Value
Developer	Quickspin
Release Date	2020-01-14
Theme	Pirates, Tropical island, Skulls
Layout	5 reels, 3 rows (expands to 6 rows on reels 2–4)
Paylines	243 base, up to 1944 ways
Bet Range	0.10–100
Core Mechanics	Flaming Skull Wild respins, Expanding reels up to 6 rows, Flaming Free Spins with persistent expansions, Sticky Skull Wilds
Platform	HTML5, mobile and desktop compatible

Mathematical & Payout Model

Symbols & Paytable Hierarchy

Tier	Symbol(s)	Function & Value
Low Tier	10, J, Q, K, A	Provides small, frequent wins to maintain gameplay.
Mid Tier	Parrot, Monkey	Thematic items offering moderate payouts.
High Tier	Smelly pirate, Biggie pirate, No‑Beard pirate captain	Highest paying symbols. Top hits available with full combinations.
Wild	Skull Wild, Flaming Skull Wild	Acts as a substitute / feature trigger per game rules.
Scatter	Treasure Chest	Triggers free spins / bonus round when enough appear.

Skulls UP! Bonus Features Mechanics

Feature	Trigger	Initial Award	Core Mechanic	Enhancement/Retrigger
Flaming Skull Wild Respin	Landing a Flaming Skull Wild on reels 2–4		Expands reel by adding a position above and grants a respin; continues while Flaming Skull Wilds remain	Flaming Skull Wild turns into regular Skull Wild when part of a win
Flaming Free Spins	Landing three Treasure Chest scatters	6 free spins	Free spins play on expanded grid; expansions persist	Each reel reaching full height awards +2 free spins

Frequently Asked Questions (FAQ)

What is the RTP of Skulls UP!?	The RTP is 96.26%.
What is the maximum win multiplier?	The maximum win is 3650× the bet.
Can the reels expand?	Yes. Flaming Skull Wilds expand reels 2–4 up to 6 rows.
How do I trigger free spins?	Landing three Treasure Chest scatters triggers Flaming Free Spins.
Do expansions reset after free spins?	No. Expansions persist throughout the free spins feature.
What is the volatility level?	The game has high volatility.
What is the bet range?	Bets range from 0.10 to 100 per spin.

Skulls UP! Performance Summary: Strengths vs. Weaknesses