2000

January

 * January 5-8: Details of Halo are shown at the San Francisco Macworld Expo.

April

 * April: Halo was featured on the cover of GameStar, a German gaming magazine.

May

 * May 11-13: Bungie was at E3 2000 in Booth #2900 to show off its two upcoming games ONI and Halo. The Halo E3 2000 Trailer for Halo: Combat Evolved was shown at the event also.

June

 * June 14: Halo won the E3 2000 Game Critics' Award for Best Action Game. Halo was also runner up for Best Game on PC, being beat by "Black & White".
 * June 19: Microsoft acquired Bungie. Halo was then announced for the Xbox platform.

July

 * July 19: Alexander Seropian and Steve Jobs announced plans for Halo to come to the Mac and PC.