Complex sentence: It has been released as bonus for people who bought the Limited Edition of Gears of War 2.It's brother is the Golden Lancer and a smiler gun also it's brother is the Hammerburst.
Split into simpler sentences: It has been released as bonus for people who bought the Limited Edition of "Gears of War 2". Its brother is the Golden Lancer and a smiler gun also its brother is the Hammerburst.