Diablo developers unionize with CWA at Blizzard studios

More than 450 developers who work on Blizzard Entertainment's Diablo franchise have voted to unionize with the Communications Workers of America, organizers said, marking the latest successful labor drive at Microsoft-owned game studios. The CWA and Diablo organizing committee said the authorization vote concluded on the evening of April 27, 2025, and that members across Blizzard sites in Irvine, California; Albany, New York; and Austin, Texas will be represented by CWA locals 9510, 1118 and 6215.

Organizers said the vote covers a wide range of roles, including designers, engineers, artists and support staff. Microsoft has voluntarily recognized the union, the CWA and reporting indicated, and the group will proceed toward bargaining its first contract. How quickly negotiations begin and what priorities the membership will set remain to be determined; organizers intend to survey members to develop a bargaining agenda.

Workers and union leaders cited repeated rounds of layoffs at Microsoft and Activision Blizzard as a principal catalyst for organizing. "With every subsequent round of mass layoffs, I have witnessed the dread in my coworkers grow stronger because it feels like no...