Complete the tutorial mission

Complete the North Sea missions

Complete the Bay of Biscay missions

Complete the English Channel missions

Complete the Cape Farewell missions

Complete the game

Earn 75 stars

Earn 90 stars

Earn 110 stars

Earn 130 stars

Complete North Sea mission one with the Stingray

Complete the Prologue mission without hitting friendlies

Complete North Sea mission one without using torpedoes

Complete North Sea mission one without taking damage

Complete North Sea mission two without surfacing

Capture three ships in North Sea mission two

Complete North Sea mission three without hitting any mines

Destroy twenty mines in North Sea mission three

Destroy all six guns in North Sea mission three

Complete North Sea mission four in the Victory

Shoot down ten bombers in North Sea mission five

Complete Cape Farewell mission one in the Stingray

Capture five ships in Cape Farewell mission two

Complete Cape Farewell mission three without using the deck gun

Complete Cape Farewell mission four taking fifty percent damage or less

Shoot down eight fighters in Cape Farewell mission five

Complete Bay of Biscay mission one in the Sentinel

Destroy twenty mines in Bay of Biscay mission two

Destroy three enemy subs in Bay of Biscay mission three

Complete Bay of Biscay mission four without hitting friendlies

Shoot down twenty fighters in Bay of Biscay mission five

Complete English Channel mission one without using torpedoes

Complete English Channel mission two in the Patriot

Shoot down twenty fighters in English Channel mission three

Complete English Channel mission four taking thirty percent damage or less

Shoot down ten bombers in English Channel mission five

Complete US East Coast mission one without hitting friendlies

Capture seven ships in US East Coast mission two

Complete US East Coast mission three using eight or fewer torpedoes

Complete US East Coast mission four taking twenty percent damage or less

Complete US East Coast mission four without using torpedoes

Complete US East Coast mission five in the Sentinel

Complete an online game

Win an online game

Intercept 4 transmissions in a 3 minute game

Win an online game to 3 points with all other players at zero