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.
Play and complete a game session of Game Lab in the Multiplayer Public playlist.
Complete the Discovery Mode of Wolfpack in Multiplayer.
Finish a game session with an ability set that you customized in Multiplayer.
Hack 15 computers in Abstergo Entertainment.
Defeat all 4 legendary ships.
Complete 100% of all main mission constraints.
Complete memory sequence 13.
Complete present day mission 5.
Complete memory sequence 12.
Complete memory sequence 11.
Fully upgrade the Jackdaw.
Unlock the secret door in Tulum.
Complete present day mission 4.
Complete memory sequence 10.
Visit every location of the game.
Complete memory sequence 9.
Complete memory sequence 8.
Wake up in a haystack.
Complete all naval contracts.
Capture all forts.
Fully upgrade your hideout.
Explore all underwater shipwrecks.
Recruit 500 crew members.
Plunder 30 ships.
Kill 4 enemies in a row using multi-pistols.
Complete memory sequence 7.
Craft the Hunter outfit.
Complete present day mission 3.
Complete memory sequence 6.
Unlock all taverns.
Complete memory sequence 5.
Rescue pirate hostages by distracting enemies with "dancers."
Perform 5 air assassinations from a swinging rope.
Complete memory sequence 4.
Harpoon a killer whale.
Complete a Templar Hunt sequence.
Kill a guard ringing a bell.
Complete present day mission 2.
Complete memory sequence 3.
Swim a total of 1 nmi.
Share each type of discovery with friends once.
Earn 50,000 reales.
Board a ship without losing any crew members.
Complete 25 Abstergo challenges.
Complete every activity in a single location.
Complete memory sequence 2.
Find a buried treasure.
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.
Freedom Cry - Achieved 100% synchronization.
Gave the Gouverneur a taste of his own medicine.
Freedom Cry - Completed all missions
Liberated 500 slaves.
Killed 5 guards at once with a blunderbuss.
Freed your first slave.