Cortana may refer to the following:
Halo universeEdit
- Cortana - The Master Chief's AI companion.
Real worldEdit
- Cortana Letters - A series of cryptic emails sent by Bungie to tease the announcement of Halo: Combat Evolved.
- Cortana (level) - The ninth Campaign level in Halo 3.
- Cortana (level)/Walkthrough - A walkthrough for this level written by Halopedia.
- Cortana moments - Moments during the Halo 3 campaign.
- Cortana on High Ground - An Easter egg in Halo 3.
- Cortana Suite - A suite from the Halo 3: Original Soundtrack.
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