Zoo Tycoon is the first game to make someone in the Vox Media office cry — with joy, no less. If this is your first episode, Friends List is a daily web series in which press, publishers and developers answer an important, unusual or agitating question related to video games. The goal is to give both Polygon's many team members across the globe, and those involved in covering, designing and releasing games, an opportunity to speak with you. Today, I'm joined by Editor-in-Chief Chris Grant to answer this question: What's so great about Zoo Tycoon?