HALO !!! Part 1

Halo: Combat Evolved (also known as Halo: CE, Halo 1, or simply Halo) is a first-person shooter and military science fiction video game developed by Bungie and published by Microsoft Game Studios. The first game in the Halo franchise, released on November 15, 2001 as a launch title for the Xbox console, it is considered the platform's "killer app".[9] Microsoft released Windows and Mac OS X versions of the game in 2003. The game was later released as a downloadable Xbox Originals on the Xbox 360. Halo is set in the 26th century, where the player assumes the role of the Master Chief, a cybernetically-enabled super soldier. enhanced. The player is accompanied by Cortana, an artificial intelligence that occupies the Master Chief's neural interface. Players do battle with various aliens as they try to uncover the secrets of the eponymous Halo, a ring-shaped artificial world.