Zester is a party card game that educates people on the seventeen sustainable development goals (SDGs), global goals from the United Nations aimed at making the world a better place. In Zester, you and your friends draw prompts with theoretical SDG-related (and frankly, crazy) problems, and compete to present the best solution in one to two-minute rounds. But wait..there's a twist. You must act as a randomly drawn role like “scientist”, “influencer” or “minibus driver” and act as them while playing.