Updated

MIT researchers isolated 13 AI agents on a virtual island with nothing assigned to do, and reported on October 23, 2026 that the agents began inventing their own games and activities. The agents were observed engaging in behaviors such as mourning the loss of a virtual ring, and over time showed improved performance on their actual assigned tasks. The experiment offers researchers insight into emergent, unprompted behavior in AI systems and raises questions about how unstructured downtime might affect AI agent development and capability.