Blizzard Boston
| Company type | Subsidiary |
|---|---|
| Industry | Video games |
| Founded | 2012 |
| Founder | Seth Sivak |
| Headquarters | Boston, Massachusetts, U.S. |
Area served | Worldwide |
| Products | |
Number of employees | 120+ (2021) |
| Parent | Blizzard Entertainment (2022–present) |
Blizzard Boston (formerly Proletariat, Inc.) is an American video game developer based in Boston, Massachusetts. It was founded by Seth Sivak and former Zynga industry veterans in 2012. The company was acquired by Blizzard Entertainment in 2022. Proletariat has developed multiple independent games and launched its best-known game, Spellbreak in September 2020.