Halo: Combat Evolved Developer's Commentary.
The Gravemind sends Chief and Cortana to the Covenant city-ship of High Charity to stop the Covenant from activating Halo; Cortana infiltrates High Charity 's computer systems to assist Chief, ultimately staying behind to destroy the city and Halo should Master Chief fail in his mission.
The character was the inspiration for Microsoft's.
Cortana is featured in a variety of Halo merchandise.
The accent was dropped, but British colloquialisms remained in the character's dialogue.
Fleeing the Covenant invasion of the planet Reach, Cortana plots a course for the human ship Pillar of Autumn.
Art director Kenneth Scott was responsible for Cortana's final design.