You completed all 9 assassin missions.

You completed the mission "That Special Someone".

Hold your breath for a cumulative time of half an hour

Defeat an enemy using a weapon in Scenario Campaign Mode.

Clear the tutorial stage in Scenario Campaign Mode.

Career total of 50 shots on explosives

Send the tank into the river by blowing up the bridge

Snipe a grenade on an enemy's webbing from 100m

Prevent Wolff from escaping

Discover the location of the V2 launch site

Uncover Wolff's plan

Eliminate Müller

Get 100 sniped headshots