Online Gameplay. Weapons. Xbox.com. Four years after the end of the Covenant War, Cortana and the Master Chief find themselves on Requiem, home to a power far greater than anything humanity has ever faced before.
In campaign mode, you'll play as the Master Chief, fighting through enemies, both new and familiar, to uncover secrets one hundred thousand years old. Stranded on a distant world with an AI as your only ally, it's up to you to make it out alive. This revolutionary battle simulation system is where Spartans go to hone their skills in combat. Gamespot. Halo 4. Development of Halo 4 began in 2009 and continued until September 2012.
The game was officially announced on June 6, 2011, at the 2011 Electronic Entertainment Expo (E3). The game has been supported post-launch with bug fixes, updates, and downloadable content. Halo 4 grossed US$220 million on its launch day and $300 million in its opening week, a record for the franchise. More than one million people played Halo 4 on Xbox Live within the first 24 hours of release.