Are You Ready to Create a Jackpot-Winning Formula Playing Potion Factory? Hey, real lover players, Potion Factory promises a great deal of amazing cash. Potion Factory is a 5 reel, 40 pay-line slot from Leander Games. It has a magic theme where players can win up to 15 free spins in the Free Spins Bonus. According to the number of players searching for it, Potion Factory is not a very popular slot. Still, that doesn't necessarily mean that it's bad, so give it a.