Professor Slot by Grand Casino

Overview

Meet a professor who is always trying to invent something new and spectacular. Professor is a thrilling online slot game designed and published by Grand Casino. In this online slot, you’ll spot detailed visuals including icons in bright colors placed in metallic frames and a background image where you can see the professor in his laboratory.

Professor comes with 5 reels and has 9 paylines. There is a list of regular symbols here that includes a thermometer, a formula, a robot, a test tube, books, a lamp, a meter, and an atomic nucleus. Keep in mind that there are a few symbols with special properties too. First, we have the green FREE sign and three or more of these signs anywhere on the screen will activate up to 30 free spins. The red JOKER sign is a wild that replaces missing regular symbols when needed and delivers the top prizes. The yellow SCATTER sign pays in any position as long as you have two or more of them on the matrix. Lastly, get at least three yellow BONUS signs anywhere in view to trigger a simple mini-game called Laboratory that will lead you to cash prizes.