What explains the massive worldwide success of video games such as Fortnite, Minecraft, and Pokemon Go? Game companies and their popularity are poorly understood and often ignored from the standpoint of traditional business strategy. Yet this industry generates billions in revenue by thinking creatively about digital distribution, free-to-play content, and phenomena like e-sports and live streaming. What lessons can we draw from its major successes and failures about the future of entertainment?One Up offers a pioneering empirical analysis of innovation and strategy in the video game...