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.
Complete 100% of all main mission constraints.
Defeat all 4 legendary ships.
Rescue pirate hostages by distracting enemies with "dancers."
Complete memory sequence 13.
Complete present day mission 5.
Complete memory sequence 12.
Unlock the secret door in Tulum.
Complete all naval contracts.
Unlock all taverns.
Complete memory sequence 11.
Fully upgrade the Jackdaw.
Fully upgrade your hideout.
Visit every location of the game.
Complete present day mission 4.
Hack 15 computers in Abstergo Entertainment.
Complete memory sequence 10.
Complete memory sequence 9.
Explore all underwater shipwrecks.
Complete memory sequence 8.
Capture all forts.
Harpoon a killer whale.
Complete memory sequence 7.
Recruit 500 crew members.
Kill 4 enemies in a row using multi-pistols.
Complete present day mission 3.
Complete memory sequence 6.
Swim a total of 1 nmi.
Craft the Hunter outfit.
Complete memory sequence 5.
Share each type of discovery with friends once.
Wake up in a haystack.
Plunder 30 ships.
Perform 5 air assassinations from a swinging rope.
Complete memory sequence 4.
Complete a Templar Hunt sequence.
Complete present day mission 2.
Complete memory sequence 3.
Earn 50,000 reales.
Board a ship without losing any crew members.
Complete 25 Abstergo challenges.
Complete memory sequence 2.
Find a buried treasure.
Kill a guard ringing a bell.
Complete memory sequence 1.
Complete every activity in a single location.
Complete the Discovery Mode of Wolfpack in Multiplayer.
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.
Playing as The Jaguar, be the highest scoring player of a Domination game session.
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.
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.