Halo 4: Beat the par time on Infinity. - Halo: The Master Chief Collection
Collect 8,000 campaign or playlist medals. - Halo: The Master Chief Collection
Complete one cross-game playlist. - Halo: The Master Chief Collection
3,471/25,5181,720/7,000185/700
199/9,188165/2,87011/125
129/7,701115/2,8709/125