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