Dr. Cranko's Lab is a slot featuring the wacky experiments and complex machinery of a mad scientist, presented by SpinOn.
Trigger explosive reactions on a 5x3 grid with 20 paylines.
With an RTP of 94.0%, Cascading Reels triggering chain wins, Reel Expansions widening the game, Symbol Removals clearing the way, Sticky Wilds locking in wins, a Collective Meter gathering rewards, retriggerable Free Spins, and Bonus Buy features, it offers experimental rewards up to 7,500x.
Reel Config
5x3
Paylines
20 Lines
RTP
94%
Volatility
-
Max Win
7,500x
Bonus Buy
-
Much of the profile concerns changes to the symbols in play and their role in forming combinations. Reel-related mechanics affect the symbols or their arrangement when forming combinations.
A moderate number of mechanics adds variety around the core game, giving the feature structure more than a few individual elements to consider.
Select a role to explore its contributing features.
Number of features contributing to each role. One feature can contribute to several roles.
Each bar counts the features that contribute to a functional role. One feature can contribute to more than one role. Bar lengths are scaled to the largest count within this game; compare the numbers when looking across games.
These counts describe feature composition. They are not win probabilities, payout contributions, or quality ratings.
Cascading Reels is a system where winning symbols disappear from the screen, and the symbols above them fall down like a cascade to fill the empty spaces, continuously creating new winning opportunities. The core of this feature is to trigger a chain reaction that allows for multiple wins from a single spin.
A Retrigger means winning additional free spins by landing scatter symbols again during a free spins bonus round. Furthermore, some slots adopt an 'unlimited retrigger' system, which means there is no limit to the number of times it can re-trigger. In theory, if luck is on your side, the free spins can continue indefinitely, making it one of the most powerful features a slot can have.
Each SlotWise Preview examines a game’s rules, specifications, and special features. We identify individual mechanics and map them to standardized feature categories, then use FeatureMatch™ to describe the game’s mechanical character. Alongside free demo access, this gives you a consistent starting point for understanding and comparing games. Where a 300SPINS™ review is available, it adds observations and results from a recorded play session.
