2005 (real world)

In 2005, is the year Xbox 360 was officially announced.

April

 * April 25: The Bonus Map Pack and Killtacular Pack for Halo 2 were released.

May

 * May 12: The Xbox 360 console was officially announced.

June

 * June: Halo 2 Multiplayer Map Pack was released for the original Xbox.

July

 * July 5: The Maptacular Pack for Halo 2 was released.

October

 * October 6: Halo Triple Pack was released.

November

 * November 22: The Xbox 360 console was released in the U.S.

December

 * December 29: Dead or Alive 4 was released.