The agreement will go into effect 60 days following Microsoft's acquisition of Activision.
The Game Workers Alliance will be the first union in the US AAA game development space.
If a supermajority is reached, the Games Workers Alliance will be an officially recognized union.
The move follows a strike and a vote to unionize from the QA department at Raven Software.
The move comes as Raven workers seek recognition of an official union.
Unionization within the games industry is rare.
As one of the first U.S. tech companies to unionize, Kickstarter could be an inspiration for game companies, IGDA's Renee Gittins and Global Game Jam's Kate Edwards tell GameDaily.
With around 100 workers currently on standby after Nexon suspended four projects, the union held a demonstration earlier this week.
Unions aren't necessarily the single brush-stroke that will fix the game industry's problems, but the three founders of the Glory Society are adamant that a co-op studio structure is definitely worth embracing.