Uboat Attack

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Fair winds and following seas

Obtain all other trophies

Admiral

Promote to Admiral rank

Sea dog

Unlock Balao Class ship

I am invincible

Win 50 Fleet battles

Liberator

Finish Liberation mode

Risky game

Reach level 20 in Raid mode

What a precision!

Shoot down an enemy torpedo during an underwater mission

Ensign

Promote to Ensign rank

Experienced mariner

Unlock Hipper 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

Feel the power!

Upgrade any ship to max level

My best unit

Upgrade any card to max level in Fleet mode

Let me show you my collection

Use all types of rockets in one 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

Seaman

Promote to Seaman rank

Novice sailor

Unlock Gato Class ship

Flawless

Make 5 perfect shots in one mission

Special task

Complete bonus mission