Book A compilation of colourful characters from the world of Roblox / About the Roblox is the largest online entertainment platform for play, featuring millions of games and experiences that have all been designed by a growing community of young, up-and-coming developers and creators across the world. Launched in 2006, Roblox enables kids of all ages to imagine, create and play together in immersive 3D experiences on their phones, tablets, computers, consoles and VR.