Microsoft and Bungie officially announce Halo: Reach during E3, revealing details about the game's storyline and gameplay.
Halo: Reach is released worldwide for the Xbox 360, becoming one of the most critically acclaimed entries in the Halo series.
Bungie releases a playable demo of Halo: Reach, allowing players to experience a preview of the multiplayer modes and gameplay.
Announcement of the beta test phase for Halo: Reach multiplayer, allowing select players access ahead of the official release.