In the world of computer gaming, Roblox is a game changer. It’s not only a standout product but also big business. The online social platform is a 3D metaverse where people create avatars and play and share millions of user-generated experiences, from shooters and dancing games to virtual pet adoptions and city construction. For readers age 12 and up, this STEM-based title dives inside the technology property and examines its features, design and development history, programming innovations, and reception from players. Collaborations and company financials are also discussed. Includes a glossary, sidebars, and profiles of notable creators.