Tech Roblox is launching its initial public offering. But what exactly is Roblox? March 10, 2021March 10, 2021Brett Molina, USA TODAYComments Off on Roblox is launching its initial public offering. But what exactly is Roblox? Roblox is expected to start trading shares in the growing video game company on Wednesday on the New York Stock Exchange under the symbol "RBLX."