A group of video game testers at Microsoft have formed the tech giant's first union, and Microsoft has signed off on it, according to Communications Workers of America, which represents the employees.

A group of video game testers has formed Microsoft's first labor union in the U.S. NPR's Juana Summers speaks with Nicole Carpenter, senior reporter at Polygon, about the rise of video game unions.

Microsoft's ZeniMax Studios ushers in the tech company's first union. Credit: Patrick T. Fallon / AFP via Getty Images The unionization wave continues, with Microsoft approving its very first union ...

Chan plays video games. Most of the day, and sometimes night. For a living, and sometimes for fun. As a tester for Burbank-based Insomniac Games, he ate, lived and breathed the Sony PlayStation 2 game ...