221B Baker Street

221B Baker Street Slot: Comprehensive Data Analysis

Core Game Specifications

Attribute	Value
Developer	Merkur Gaming
Release Date	2015-02-11
Theme	Victorian, Detective, Mystery
Layout	5×3
Paylines	20
Bet Range	0.01–40 (coins per spin)
Core Mechanics	Wild symbol (Sherlock), Scatter symbols (Moriarty, Duel, Big Ben), Free Spins with multiplier up to 5×, Duel Bonus mini‑game, Gamble feature (card or ladder)
Technology	HTML5 (also Flash/JS historically)
Platforms	Desktop and mobile

Mathematical & Payout Model

Symbols & Paytable Hierarchy

Tier	Symbol(s)	Function & Value
Low Tier	J, Q, K, A	Provides small, frequent wins to maintain gameplay.
Mid Tier	Magnifying Glass, Vial/Poison, Pistol	Thematic items offering moderate payouts.
High Tier	Sherlock Holmes (Wild)	Highest paying symbols. Top hits available with full combinations.
Wild	Sherlock Holmes	Acts as a substitute / feature trigger per game rules.
Scatter	Moriarty, Duel, Big Ben	Triggers free spins / bonus round when enough appear.

221B Baker Street Bonus Features Mechanics

Feature	Trigger	Initial Award	Core Mechanic	Enhancement/Retrigger
Duel Bonus	3 Duel scatter symbols on reels 2,3,4		Holmes and Moriarty shoot targets to reveal prizes; player can accept or continue.
Free Spins	3–5 Big Ben symbols	2–20 free spins	Pick Big Ben to reveal number of spins and multiplier up to 5×	Additional free spins can be retriggered

Frequently Asked Questions (FAQ)

What is the RTP of 221B Baker Street?	The RTP is 96%.
What is the maximum win multiplier?	The top win is 5,000× total bet.
How do I trigger free spins?	Land 3–5 Big Ben symbols to pick free spins (2–20) and a multiplier up to 5×.
What is the Duel Bonus?	Triggered by 3 Duel symbols; Holmes and Moriarty shoot targets to reveal prizes.
Can I gamble my wins?	Yes, via a card‑color or ladder gamble feature after a win.

221B Baker Street Performance Summary: Strengths vs. Weaknesses