Roblox Corporation is a video game company that operates a massively multiplayer online game platform. The platform allows users to create and play games in a virtual world, with a focus on user-generated content. Roblox was founded in 2004 and is headquartered in San Mateo, California. The company has grown rapidly in recent years, and now has over 100 million monthly active users. In 2021, Roblox went public through a direct listing on the New York Stock Exchange.