Steam achievements:
ACHIEVEMENT – HOW TO UNLOCK
Anchor of Trepidation – Complete all missions in the Isles of the Dead.
Arrow of the Loyalist – Play every multiplayer map for one faction.
Barnacle of Cannonball Attraction – Get sunk 10 times in a multiplayer game.
Binnacle of Bounty – Return an enemy Treasure Boat to port.
Catch of the Day – Pick up a Merchant Cargo.
Certificate of Plank Walking – Achieve Mutinous Morale.
Chest of Riches – Reach 10000 gold.
Cringle of Responsibility – Buy a new ship.
Crown of Terror – Gain 1000 points in a multiplayer game.
Cutlass of Fear – Gain 500 points in a multiplayer game.
Eyepatch of Identification – Sink a friendly ship in a multiplayer game.
Flotsam of the Foresaken – Sink 10 ships in a single level.
Goblet of Congeniality – Host 10 multiplayer games.
Hammock of Inconsideration – Discover the Isles of the Dead.
Hand of Davey Jones – Sink 1000 ships.
Hourglass of the Illustrious – Attain Perfect Morale.
Keg of Hospitality – Host 100 mutiplayer games.
Key of Cutlass Bay – Complete the campaign.
Libram of the Curator – Unlock every ship in the game.
Mizzen of Doom – Sink 500 ships.
Mug of Friendship – Host a multiplayer game.
Pennant of Persecution – Sink 100 ships.
Pipe of Exploit – Sink 5 ships in a multiplayer game.
Purse of Plenty – Reach 5000 gold.
Quill of Calling – Reach 5000 Infamy.
Ring of Fable – Sink 20 ships in a multiplayer game.
Rudder of the Mercenary – Play every multiplayer map for both factions.
Seal of Vocation – Reach 20000 Infamy.
Shovel of Desecration – Recover the remains of Captain McGowan.
Signet of Avowal – Reach 10000 Infamy.
Snuffbox of Renown – Sink a Widowmaker in a multiplayer game.
Spanner of Foresight – Upgrade a ship to maximum stats.
Splinter of Competency – Sink a ship.
Star of Heroism – Sink 10 ships in a multiplayer game.
Tankard of Infamy – Sink a Goddess in a multiplayer game.
Tower of Midas – Reach 20000 gold.
Valediction of Sacrifice – Sink an enemy ship with a suicide ship.
in PC Cheats