Got 6 enemies airborne at once

Reach the sniper perch without being detected in Ambush.

Killed 150 enemies while in Berserker mode

Quick Killed 3 enemies in a row

Complete Battle of the Bulge.

Protect the bombers by personally shooting down 12 enemy planes in Battle of the Bulge.

Request Pierson to spot enemies 25 times.

Found all Dog Tags in the game

Shoot a Terrified enemy with an arrow while they are fleeing.

Defeated Remy LeBeau (Gambit)

Successfully escort the pole charge engineer to the pillbox in Hill 493.

Complete Death Factory.

Disable 50 enemies using smoke grenades.