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.
Play on every game mode, and use every ability and ranged weapon once in Multiplayer.
Reach level 55 in Multiplayer.
Recruit 500 crew members.
Fully upgrade the Jackdaw.
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.
Complete 100% of all main mission constraints.
Defeat all 4 legendary ships.
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.
Perform 5 air assassinations from a swinging rope.
Complete memory sequence 9.
Complete all naval contracts.
Complete memory sequence 8.
Complete memory sequence 7.
Complete present day mission 3.
Complete memory sequence 6.
Fully upgrade your hideout.
Craft the Hunter outfit.
Explore all underwater shipwrecks.
Unlock all taverns.
Share each type of discovery with friends once.
Capture all forts.
Plunder 30 ships.
Complete memory sequence 5.
Wake up in a haystack.
Kill 4 enemies in a row using multi-pistols.
Complete memory sequence 4.
Swim a total of 1 nmi.
Harpoon a killer whale.
Complete a Templar Hunt sequence.
Complete present day mission 2.
Complete memory sequence 3.
Kill a guard ringing a bell.
Earn 50,000 reales.
Complete 25 Abstergo challenges.
Board a ship without losing any crew members.
Complete memory sequence 2.
Rescue pirate hostages by distracting enemies with "dancers."
Complete memory sequence 1.
Complete every activity in a single location.
Find a buried treasure.
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.