The tool is being rolled out to U.S. users subscribed to Google’s AI Ultra plan, positioning it as an early-access product rather than a mass-market launch. Starting today, we’re rolling out access to Project Genie for Google AI Ultra subscribers in the U.S (18+). World remixingTo create a world, users provide a short description of the environment and optionally define an avatar. Project Genie first produces a rough visual concept using Google’s image models, then converts that input into a navigable 3D space. Here is where Project Genie has an edge over Unreal and Unity gaming world-building systems, which need:Asset creation (models, textures, lighting)Scene assemblyPhysics tuningScripting and debuggingLong iteration cyclesProject Genie collapses all of this into one prompt.