2011

In 2011, the next Halo game was announced in addition to a graphical remake of Halo: Combat Evolved.

January

 * January 4: Halo: Cryptum, the first novel in The Forerunner Saga by Greg Bear, is released.

February

 * February 23: Issue #4 of Halo: Fall of Reach - Boot Camp is released.

March

 * March 15: The second DLC for Halo: Reach, the Defiant Map Pack, is released.
 * March 30: The hardcover collection of Halo: Fall of Reach - Boot Camp is released.

April

 * April 20: Issue #1 of Halo: Fall of Reach - Covenant is released.

June

 * June 6:
 * Awakening, a teaser trailer for Halo 4, was shown at E3 2011.
 * Halo: Combat Evolved Anniversary was announced at E3 2011.
 * Halo: Combat Evolved Anniversary Announcement Trailer was showcased during E3 2011.
 * Halo: Combat Evolved Anniversary Exclusive was released on Halo Waypoint.

July

 * July 4: Halo: The Essential Visual Guide is released.
 * July 13: Issue #2 of Halo: Fall of Reach - Covenant is released.

September

 * September 7: Issue #3 of Halo: Fall of Reach - Covenant is released.
 * September 19: An updated edition of the Halo Encyclopedia: The Definitive Guide to the Halo Universe is released.

October

 * October 18: Halo: The Great Journey: The Art of Building Worlds is released.
 * October 19: Issue #4 of Halo: Fall of Reach - Covenant is released.
 * October 25: The novel Halo: Glasslands is released.

November

 * November 15:
 * Halo: Combat Evolved Anniversary is released.
 * The Anniversary Map Pack DLC was released for Halo: Reach.

December

 * December 14: The hardcover collection of Halo: Fall of Reach - Covenant is released.