Team 4 is celebrating the tenth anniversary of Overwatch with nostalgic game modes, exclusive cosmetics, and loot boxes. Game director Aaron Keller shared that development began in mid-2013 after the cancellation of Project Titan. He revealed that some concepts from the abandoned project influenced Overwatch, including character Cole Cassidy. The team had a limited time to pitch Overwatch and focused on seamless information delivery in gameplay, such as health indicators and sound cues. Character designs were initially met with skepticism but later generated excitement. Iconic maps like King's Row and Throne of Anubis were developed, with Anubis being the first completed map after extensive conceptual work. Keller expressed gratitude to the community for their support over the past decade.