From Halopedia, the Halo wiki
2012 saw the release of the first game made by 343 Industries, Halo 4.
- January 3: Halo: Primordium, the second novel in The Forerunner Saga, is released.
- January 18: The first issue in the Invasion story arc of the Halo: Fall of Reach comic series is released.
- February 15: The second issue of Halo: Fall of Reach - Invasion is released.
- March 21: The third issue of Halo: Fall of Reach - Invasion is released.
- March 31: Bungie.net ceases all updates to game statistics and player service records, transferring all record-keeping to Halo Waypoint.
- April 18: The fourth and final issue of Halo: Fall of Reach - Invasion is released.
- June 4: The Halo 4 E3 2012 Demo was showcased during the E3 2012.
- July 4: The hardcover collection of the Halo: Fall of Reach - Invasion series is released.
- October 2: Halo: The Thursday War, the second novel in Kilo-Five Trilogy is released.
- October 5: The premiere of Halo 4: Forward Unto Dawn is released.
- October 17: The definitive hardcover of Halo: Fall of Reach, including Bootcamp, Covenant and Invasion, is released.
- October 22: Halo 4: Original Soundtrack Volume 1 is released.
- October 31: Halo 4 : King of the Hill Fueled by Mountain Dew is released.
- November: McFarlane Toys released their second wave of the first series of Halo 4 action figures.
- November 2: Awakening: The Art of Halo 4 is released.
- November 6:
- December 4: Halo 4: Forward Unto Dawn is released on Blu-Ray and DVD.
- December 10: The Crimson Map Pack for Halo 4 is released.
- Tor.com - Tor Books Reveals Second Halo Novel by Greg Bear
- Halo Waypoint - Tor Books Reveals Title, Cover Art, and Release Date of Second Halo Novel by Greg Bear
- IGN: Halo: Fall of Reach - Invasion Comics
- Marvel.com: Halo: Fall of Reach - Invasion (2010) #3
- Final Transition for Bungie.net Halo Services
- Marvel.com: Halo: Fall of Reach - Invasion (2010) #4
- Amazon.com: Halo: Fall of Reach: Invasion (Hardcover)
- Tor Announces next book in Halo series
- Amazon.com Halo: Fall of Reach (Hardcover)
- Halo Waypoint - Titan Books Signs Up Lavish Art Book for Halo 4
- Halo Waypoint: The Halo Bulletin 4.17.2012
- Halo Waypoint: The Halo Bulletin: 10.10.12