Source: Microsoft James Gwertzman, Gaming Vertical GM, Microsoft. At its core, PlayFab is a suite of tools and services, similar to Microsoft Office, oriented around game development and online operations. If you're an Xbox gamer, you'll be familiar with things like Xbox Live party chat, messaging systems, DLC content management, in-game purchasing, online data and presence, and things of that nature. PlayFab offers these systems and tools to publishers like Ubisoft, EA, and others, to build into their own games and services. Some notable titles that use Azure and PlayFab include Rainbow Six ...