Complete the mission of retrieving the Enigma from a sunken U-boat.
19,1%
Minelayer
Complete any campaign objective with mine-laying.
18,8%
Ace of Scapa Flow
Complete the mission of infiltrating Scapa Flow.
18,1%
Knight's Cross with Oak Leaves
Earn the Knight's Cross with Oak Leaves with any officer.
16,3%
Survivor
Survive a battle during which enemy ships dropped over 100 depth charges on your U-boat.
13,1%
40000 GRT
Sink at least 40000 GRT during a single patrol.
11,9%
Friends In High Places
Complete the mission of rescuing a Kriegsmarine officer from an interned ship.
11,6%
Tonnage War
Complete all stages of the campaign objective Tonnage War.
11,0%
Needle In a Haystack
Sink a cargo ship requested for sinking by command, which is sailing in a convoy of at least 15 ships, without sinking any other ship in the convoy beforehand.
10,0%
Knight's Cross with Oak Leaves and Crossed Swords
Earn the Knight's Cross with Oak Leaves and Crossed Swords with any officer.
8,5%
Gibraltar Crossed
Complete the mission of crossing the Strait of Gibraltar.
8,4%
Multitasking
Hit three different ships with torpedoes with a maximum of 120 seconds between the first and last hit.
6,9%
The Happy Time
Complete all stages of the campaign objective The Happy Time.
5,9%
Attack on Aruba
Complete the mission of attacking Aruba.
4,2%
Norwegian Campaign
Complete all stages of the Norwegian campaign.
4,1%
Silent Meteorologist
Complete the mission of establishing a weather station in Northern Labrador.
3,8%
Japanese Friends
Meet a Japanese B1-type submarine.
3,8%
Battle of the Mediterranean
Complete all stages of the campaign objective Battle of the Mediterranean
3,7%
War Chest
Have a budget of over 1,000,000.
3,7%
Knight's Cross with Oak Leaves, Crossed Swords and Diamonds
Earn the Knight's Cross with Oak Leaves, Crossed Swords, and Diamonds with any officer.