Google's Project Genie, now accessible to Ultra subscribers in the U.S., is an experimental AI research prototype that enables users to create, explore, and remix infinite virtual worlds using AI models like Genie 3. The platform allows for real-time, photorealistic environment generation from simple text prompts or images, supporting dynamic interactions, environment modeling, and scene visualization. Despite current limitations such as input lag, limited action scope, and short interaction durations, Google aims to expand access and improve the technology, which has potential applications in filmmaking, education, robotics, and AI research. The system can simulate natural environments, ecosystems, and fantasy worlds, and supports promptable world events to enhance interaction. Google emphasizes responsible development, addressing challenges like consistency, realism, and safety, as it explores future uses of AI-driven world models.