| Achievement | How to unlock | Points
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| - Captain your own ship (complete Sequence 2, Memory 6)
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| - Unlock a smuggler's chest.
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| - Ensure the survival of all pirates in a street fight.
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| - Kill an enemy with a wall takedown.
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| - Shoot down all the hanging bodies in Long Bay.
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| - Visit every location in the game.
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| - Catch at least five enemies within a single smoke bomb.
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| - Add one of each ship class to Kenway's fleet.
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| - Swim to the lowest point on the map.
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| - Defeat all legendary ships.
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| - Fill all Art Collection and Equipment slots in the Great Inagua manor.
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| - Parry two Ocelot attacks in rapid succession.
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| - Equip new cosmetics in each of the Jackdaw's vanity slots.
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| - Swim a total of 1000m underwater, excluding underwater shipwrecks.
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| - Break fifty potted plants.
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| - Stop a Templar plot (complete Sequence 12, Memory 5)
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| - Interact with all seven friendly animals.
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| - Consume twenty food items.
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| - Restore all buildings in the Great Inagua village.
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| - Win at each of the different tavern games.
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| - Use pistols to kill four enemies in a row within five seconds.
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| - Complete a Templar Hunt sequence.
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| - Defeat a Pirate Hunter while at maximum Wanted Level.
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| - Witness the end of a legend (complete Sequence 8, Memory 1)
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| - Take a seat on a burning ship.
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| - After a perfect parry, perform a total of four takedowns.
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| - Get a tour of Havana (complete Sequence 2, Memory 1)
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| - Dodge a total of three charge attacks by a Wild Pig.
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| - Unlock the secondary firing mode on a Jackdaw weapon.
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| - Perform three perfect braces.
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| - Kick a berserk enemy caught in smoke off a ship.
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| - Complete every activity in a single location.
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| - Get a perfect harpoon shot on a Great White Shark.
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| - Find all treasure chests in underwater shipwrecks.
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| - Fully upgrade the Jackdaw.
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| - Kill a guard ringing a bell.
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| - Board a Lead Convoy ship.
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| - Kill ten enemies by hanging them with the rope dart.
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| - Display all character portraits in the Great Inagua manor.
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| - Survive a rogue wave taken from the side.
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- Walls That Hold Back The Wind
| - Settle in a new home (complete Sequence 4, Memory 1)
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| - Restore a map from map pieces.
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