Fortress

Fortress may refer to the following:

Halo universe

 *  - A class of Forerunner warship.
 * Fortress (location) - A location within Forerunner shield world Requiem.
 * Fortress world - Another name for the Halo Array.
 * M965 Fortress point defense network - A defense system employed by.

Real world

 * Dark Fortress - An achievement in Halo: The Master Chief Collection.
 * Fortress (achievement) - An achievement in Halo Wars 2.
 * Fortress (music) - A music track included in the Halo: Reach Original Soundtrack.