Halo 4 Gameplay Launch Trailer. Release Date Is November 6, 2012

The Halo 4 gameplay launch trailer is here! The Master Chief returns to battle an ancient evil bent on vengeance and annihilation. Shipwrecked on a mysterious world, Master Chief is faced with new enemies and a powerful new Forerunner menace. 

Halo 4 is releasing on November 6, 2012.