People used to pay one standard price for their favorite games in a one-off transaction. But now, many game companies are offering their games for free, supported by in-game purchases. This is called the live service model. Today, the first episode of a week-long series about the video game industry. We investigate the promise and pains of the live service model and explain how it turned the industry upside down. *For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org). Music by Drop Electric). Find us: TikTok), Instagram), Facebook), Newsletter).*Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)