Stone Age Slot

Stone Age Slot: Comprehensive Data Analysis

Core Game Specifications

Attribute	Value
Developer	Endorphina
Release Date	March 19, 2015
Theme	Stone Age, prehistoric, cavemen, dinosaurs
Layout	5×3
Paylines	20
Bet Range	0.01–5 (coin value)
Core Mechanics	Wild that doubles as scatter, Free spins with expanding symbols, Gamble (double or nothing) feature
Software	Flash (desktop only)

Mathematical & Payout Model

Symbols & Paytable Hierarchy

Tier	Symbol(s)	Function & Value
Low Tier	bow and arrow, cave painting necklace	Provides small, frequent wins to maintain gameplay.
Mid Tier	bones, cavemen	Thematic items offering moderate payouts.
High Tier	mammoth	Highest paying symbols. Top hits available with full combinations.
Wild	spinning rock wheel	Acts as a substitute / feature trigger per game rules.
Scatter	spinning rock wheel	Triggers free spins / bonus round when enough appear.

Stone Age Bonus Features Mechanics

Feature	Trigger	Initial Award	Core Mechanic	Enhancement/Retrigger
Free Spins with expanding symbols	Three or more wild/scatter symbols	10 free spins	One symbol expands during free spins	Retrigger possible via additional scatters
Gamble feature	After any win		Pick a face‑down card higher than face‑up card to double win

Frequently Asked Questions (FAQ)

How do I trigger free spins?	Land three or more spinning rock wheel symbols anywhere to trigger ten free spins.
What does the wild symbol do?	The spinning rock wheel acts as wild and substitutes for other symbols.
Can I retrigger free spins?	Yes. Additional wild/scatter symbols during free spins retrigger the feature.
What is the gamble feature?	After a win you can gamble by picking a card to double your win if it is higher.
What is the RTP of the game?	The RTP is 96%.

Stone Age Performance Summary: Strengths vs. Weaknesses