Earn a total of 250 Double Kill medals in matchmade games. - Halo: The Master Chief Collection
Complete 30 Daily Tidy's - A Little to the Left
Complete 30 consecutive Daily Tidy's - A Little to the Left
14,349/25,5184,820/7,000552/700
2,588/3,9511,075/1,20052/55
1,275/1,2751,000/1,00010/10