What game with Ellie as the main protagonist was announced at the PlayStation Experience event in December 2016?
The Last of Us Part II: The Last of Us Part II is an upcoming action-adventure survival horror video game developed by Naughty Dog and published by Sony Interactive Entertainment for PlayStation 4. The Last of Us Part II:  It was announced at the PlayStation Experience event in December 2016, and will serve as the sequel to 2013's "The Last of Us".
i don't know