In February 2018, YouTuber Kerstin Hoffmann, (known as Keisyo), accused Roblox Corporation of owing her $150,000 because the company had stop her from converting her 42 million Robux balance into real life money for no given reason. The plaintiff cited that several games within Roblox recreated Cinemark locations, including the trademarked branding. In June 2016, Cinemark Theatres filed a lawsuit against the company for trademark infringement. With the acquisition, the Sway app shutdown on September 24, 2021.

On September 20, 2021, Roblox Corporation acquired Sway, an app focused on motion effects and AI filters. In August 2021, the company acquired the online communication platforms Bash Video and Guilded, paying $90 million for cash and stock for the latter. Later that month, Roblox Corporation acquired Loom.ai, a company that creates 3D avatars from photographs, for an undisclosed amount. In December 2020, Roblox Corporation acquired Imbellus, a company that focuses on how people think with cognitive assessments, for an undisclosed amount. Its employees, including founder and chief technology officer Chetan Ahuja.

On October 12, 2018, the company acquired PacketZoom, a developer of optimization software for mobile networks, for an undisclosed amount. The Roblox Corporation headquarters, based in San Mateo, California. After the first day of trading, the company's stock closed with a fully diluted valuation of $45.2 billion and a market capitalization of $38.2 billion. On March 10, 2021, Roblox Corporation started trading on the New York Stock Exchange under the ticker RBLX.

After filing with the SEC for an initial public offering in November 2020, Roblox Corporation decided to instead become public through a direct listing.

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