Obliteration - Complete all the Challenges

Obliteration - Complete the Mission

Obliteration - Kill everyone

Incapacitate an enemy, then shoot them in the testicles

250 Kills with a Secondary Weapon

Get a kill with every weapon

Infiltration - Complete the mission without being shot by a Sniper

Infiltration - Kill the Valkyrie Squad reinforcements using only the Neunfaust

Infiltration - Multi-Kill the Officers during the tactical briefing in the auditorium

500 Kills with a Rifle

Inception - Unlock the train door using the keys found on the officers

Inception - Destroy the tank with a crane drop