Professor Big Win Demo Slot by Atomic Slot Lab Free Play

Professor Big Win is an online Slot from Atomic Slot Lab.

Quick Facts

- Layout: 5 reels x 4 rows

- Paylines: 40 fixed

- Key mechanics: Replicating Reels, Mystery Replacement feature, High Voltage Mode

- Special symbols: Plasma Ball Wild, Tesla Coil Scatters, Professor (Top Symbol)

How the Game Plays

Professor Big Win invites players into the high-voltage laboratory of a quirky inventor. Developed by Atomic Slot Lab, the game uses a 5x4 grid set against a backdrop of bubbling green chambers and electrical gadgets. Winning combinations are formed by landing three or more matching symbols across 40 fixed paylines, starting from the leftmost reel. The symbols reflect the scientific theme, featuring microscopes, flasks, notebooks, and the Professor himself as the most valuable standard icon. A vibrant plasma ball serves as the wild, substituting for all regular symbols to complete winning lines.

Replicating Reels Explained

The core mechanic of this slot involves the Replicating Reels feature, which can trigger randomly on any base game spin or by landing two Tesla coil scatter symbols. When active, two to five reels are synchronized to display the exact same symbols, significantly increasing the potential for full-screen wins. Additionally, a Mystery Replacement feature can activate at the start of any spin, transforming various positions into a single matching symbol before the reels come to a stop.

Free Games & High Voltage Mode

The bonus round is triggered by landing two or more full stacks of scatters, awarding an initial seven free spins. During this phase, the reels that originally triggered the feature become permanent Replicating Reels for the duration of the bonus. Landing further full stacks of scatters turns additional reels into replicating ones and awards three extra spins. At random intervals, the "High Voltage Mode" may activate, adding extra scatters to the reels to improve the chances of expanding the replicating feature and extending the round.

Click the Play for Free button to load the Professor Big Win demo, test its features and payouts and decide if it is a game you enjoy.