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.
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.
Unlock the secret door in Tulum.
Complete present day mission 4.
Hack 15 computers in Abstergo Entertainment.
Complete memory sequence 10.
Visit every location of the game.
Complete memory sequence 9.
Fully upgrade the Jackdaw.
Craft the Hunter outfit.
Complete memory sequence 8.
Complete all naval contracts.
Rescue pirate hostages by distracting enemies with "dancers."
Complete memory sequence 7.
Complete present day mission 3.
Complete memory sequence 6.
Explore all underwater shipwrecks.
Unlock all taverns.
Capture all forts.
Fully upgrade your hideout.
Complete memory sequence 5.
Perform 5 air assassinations from a swinging rope.
Recruit 500 crew members.
Complete memory sequence 4.
Complete a Templar Hunt sequence.
Kill 4 enemies in a row using multi-pistols.
Plunder 30 ships.
Wake up in a haystack.
Complete present day mission 2.
Complete memory sequence 3.
Swim a total of 1 nmi.
Harpoon a killer whale.
Board a ship without losing any crew members.
Earn 50,000 reales.
Kill a guard ringing a bell.
Complete 25 Abstergo challenges.
Complete every activity in a single location.
Share each type of discovery with friends once.
Complete memory sequence 2.
Complete memory sequence 1.
Find a buried treasure.
Playing as Blackbeard, perform an acrobatic kill and a pistol kill in less than 10 seconds.
Playing as The Orchid, block 10 abilities from opponents with Sabotage.
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.
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.