Roblox says it is adding an AI-based game creation feature called “Build” to its mobile app for iPhone and iPad. The company positions Build as a mobile-first way to turn text prompts into playable game projects. Users will be able to describe a game in ordinary language and have AI generate a starting version that includes gameplay mechanics, environments, characters, visual styling, sound, and other elements. The initial project can be tested by playing within the app, and creators can iterate by using chat to request changes and continue developing the game from the mobile device. Roblox also says Build will support moving work between mobile and desktop: projects created with Build can be continued or refined in Roblox Studio, its desktop creation software, using shared back-end components, models, and chat history. According to Roblox, Build is scheduled to begin a public alpha in New Zealand on July 28, with expansion to additional regions in the following months. Roblox also says publishing will be included as part of selected early features for the tool.