Dr Zappo

Developed by Hacksaw, Dr Zappo is a video slot game that features a 5×4 grid and includes 14 fixed paylines. The game immerses players in a theme revolving around mad scientists, set in a neon laboratory filled with eye motifs. Symbols such as Dr Zappo, Ray Gun, and Robot populate the reels. Unique symbols called EyeBall become active when they land on the fourth row, shooting upwards or diagonally to transform symbols into Wilds, which can have multipliers between 2× and 200×.

Energy Fields, located on the left, top, and right edges of the grid, behave like lab mining. If an EyeBall symbol strikes these areas, it bounces off at the same angle, continuing to change symbols in the opposite direction. The game features three different free spins bonus rounds: the “Eyeconic Bonus” triggered by three scatter symbols, the “No-Brainer Bonus” activated by four scatters, and the “Hidden Epic Bonus – It’s Electrifying” which requires five scatters, with each round offering 10 free spins. During the No-Brainer Bonus, every active EyeBall shoots in two directions at once, while the Hidden Epic Bonus ensures at least one EyeBall symbol appears on every spin, with no scatter symbols present.

Players also have the option to utilize a Bonus Buy feature, granting direct access to the Eyeconic or No-Brainer free spins rounds. The game includes BonusHunt and ZigZag Zappo features that improve the chances of triggering bonuses or ensure a specific number of EyeBall symbols. Overall, Dr Zappo is characterized by its Wild EyeBall symbols, multiplier Wild transformations, a variety of free spins rounds, and options for purchasing bonuses.

You can try it for free in demo mode or play it for real money.