Full list of all 60 Assassin's Creed IV: Black Flag achievements worth 1,250 gamerscore.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 10 achievements worth 250 Gamerscore.
Reach level 55 in Multiplayer.
Play on every game mode, and use every ability and ranged weapon once in Multiplayer.
Defeat all 4 legendary ships.
Fully upgrade the Jackdaw.
Finish a game session with an ability set that you customized in Multiplayer.
Play and complete a game session of Game Lab in the Multiplayer Public playlist.
Hack 15 computers in Abstergo Entertainment.
Kill 4 enemies in a row using multi-pistols.
Rescue pirate hostages by distracting enemies with "dancers."
Craft the Hunter outfit.
Harpoon a killer whale.
Explore all underwater shipwrecks.
Visit every location of the game.
Unlock the secret door in Tulum.
Recruit 500 crew members.
Complete all naval contracts.
Perform 5 air assassinations from a swinging rope.
Wake up in a haystack.
Fully upgrade your hideout.
Unlock all taverns.
Complete a Templar Hunt sequence.
Complete 100% of all main mission constraints.
Complete memory sequence 13.
Complete present day mission 5.
Complete memory sequence 12.
Find a buried treasure.
Complete memory sequence 11.
Capture all forts.
Complete present day mission 4.
Complete memory sequence 10.
Swim a total of 1 nmi.
Plunder 30 ships.
Complete memory sequence 9.
Complete memory sequence 8.
Earn 50,000 reales.
Complete memory sequence 7.
Complete present day mission 3.
Complete memory sequence 6.
Complete memory sequence 5.
Kill a guard ringing a bell.
Complete 25 Abstergo challenges.
Complete memory sequence 4.
Complete present day mission 2.
Complete memory sequence 3.
Share each type of discovery with friends once.
Board a ship without losing any crew members.
Complete every activity in a single location.
Complete memory sequence 2.
Complete the Discovery Mode of Wolfpack in Multiplayer.
Complete memory sequence 1.
Playing as The Jaguar, be the highest scoring player of a Domination game session.
Kill a player using a lift that has been trapped with Booby Trap.
Playing as The Orchid, block 10 abilities from opponents with Sabotage.
Playing as Blackbeard, perform an acrobatic kill and a pistol kill in less than 10 seconds.
Liberated 500 slaves.
Freedom Cry - Achieved 100% synchronization.
Freedom Cry - Completed all missions
Gave the Gouverneur a taste of his own medicine.
Killed 5 guards at once with a blunderbuss.
Freed your first slave.