Uboat Attack

Fair winds and following seas

Obtain all other trophies

Seaman

Promote to Seaman rank

Ensign

Promote to Ensign rank

Admiral

Promote to Admiral rank

Novice sailor

Unlock Gato Class ship

Experienced mariner

Unlock Hipper Class ship

Sea dog

Unlock Balao Class ship

Constructor

Build 50 ports

Full steam ahead!

Unlock all ship slots in Fleet mode

Halfway there

Unlock half of the cards in Fleet mode

I am invincible

Win 50 Fleet battles

Liberator

Finish Liberation mode

Risky game

Reach level 20 in Raid mode

Feel the power!

Upgrade any ship to max level

My best unit

Upgrade any card to max level in Fleet mode

Flawless

Make 5 perfect shots in one mission

Let me show you my collection

Use all types of rockets in one mission

What a precision!

Shoot down an enemy torpedo during an underwater mission

Special task

Complete bonus mission

Ordinary solutions? Not for me

Complete a mission without using basic torpedos

All hands on deck

Complete 10 missions in a row without failing

All holes patched

Use revive

Destruction

Use the same special attack 3 times during one mission

Save Jack

Destroy an iceberg