Fantastic Gdansk: Lions and Unicorns

The year is 2100. Your grandfather was a genius scientist who created a time machine. Unfortunately, he recently died under unexplained circumstances. 

You received a message from him in his will. You learned that he had hidden a flash drive, containing all of his life's work, in the past. It must not fall into the wrong hands, as your grandfather's technologies could be used for evil purposes. 

You must go back in time and solve a series of clues to find grandpa's drive and then destroy it.