Roblox Corporation (/ ˈroʊblɒks / ROH-bloks) is an American video game developer based in San Mateo, California. Founded in 2004 by David Baszucki and Erik Cassel, the company is the developer of Roblox, which was released in 2006. As of December 31, 2023, the company employs over 2,400 people. [1]