The Gears of War series has surpasses 19 million sales total as Epic prepares the fourth game for Xbox 360, Gears of War: Judgement.
Microsoft issued that figure earlier today via Joystiq, after having announced the commencing of Gears of War: Judgment pre-order registration, and associated incentives offered.
Gears of War 3 sold over three million copies in its first week of availability last year, cementing its position as "the biggest game of 2011", according to publisher Microsoft.
The platform holder said at the time that its success had helped the series become the first Xbox 360 exclusive franchise to eclipse the $1 billion sales milestone.
Epic Games has confirmed a Gears of War: Judgment release date window of March 2013.