Summary:
- The article discusses the failed attempt by the makers of the popular game "Age of Empires" to create a Halo-based massively multiplayer online (MMO) game nearly 20 years ago.
- The studio that was working on the Halo MMO, Ensemble Studios, was eventually closed down by Microsoft, the owners of the Halo franchise.
- The article provides insights into the challenges and complexities involved in developing a large-scale MMO game, especially when it's based on an existing popular franchise like Halo.