Storm Chaser
Obliteration - Complete the Mission
Atomic
Obliteration - Complete all the Challenges
Ghost Town
Obliteration - Kill everyone
I Love Science
Obliteration - Extract Wernicke, Hänel, and Kehrer in one playthrough
Saving Private Reiner
Obliteration - Don't kill any members of the Reiner family
Fingers off Triggers
Obliteration - From the bunker reach the extraction point without firing a shot
Overkill
Obliteration - Kill all enemy snipers with explosives