The game publisher denies the accusation.
The NLRB charge comes after multiple labor lawsuits were filed against Activision Blizzard last year.
The successful union vote is the first within the company.
Activision Blizzard is being asked to settle the charge or a complaint will be issued.
The company allegedly interfered by telling employees they couldn’t talk about wages, hours or working conditions.
The allegations were filed by the Communication Workers of America AFL-CIO, according to thecharge against employer document.
Blado said a complaint will be issued if a settlement isn’t reached.
Activision Blizzard denied the allegations, saying employees were allowed to discuss workplace concerns.
The vote is the first attempt at a union within Activision Blizzard.
Named The Game Workers Alliance, the union won the vote with 19 out of 22 voting in favor.
Two of the ballots were challenged, according to areportfrom The Verge.
The GWA represents only a small portion of Raven’s roughly 350 employees.
The Game Workers Alliance didn’t respond to a request for comment.
The union vote follows a tumultuous 2021 for Activision Blizzard.
The California suit was followed by a lawsuit from the US Equal Employment Opportunity Commission.
The EEOC suit wassettledin March for $18 million but wasappealed Mondayby a former employee.
“This is the tenth attempt.”
Another lawsuit, filed earlier this, year alleges thewrongful death of a female employeepartly due to sexual harassment.
Microsoft said this year that it would buy Activision Blizzard for $68.7 billion.
Senators sent a letter in Marchraising concernsabout the deal to Federal Trade Commission Chairwoman Lina Khan.
The senators said the proposed deal represented further consolidation of the tech industry and would undermine accountability.
