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.
Complete 100% of all main mission constraints.
Complete memory sequence 13.
Complete present day mission 5.
Complete memory sequence 12.
Perform 5 air assassinations from a swinging rope.
Unlock the secret door in Tulum.
Complete memory sequence 11.
Complete present day mission 4.
Complete memory sequence 10.
Visit every location of the game.
Defeat all 4 legendary ships.
Complete memory sequence 9.
Fully upgrade the Jackdaw.
Complete memory sequence 8.
Complete memory sequence 7.
Complete present day mission 3.
Hack 15 computers in Abstergo Entertainment.
Complete memory sequence 6.
Explore all underwater shipwrecks.
Complete all naval contracts.
Unlock all taverns.
Capture all forts.
Recruit 500 crew members.
Complete memory sequence 5.
Craft the Hunter outfit.
Fully upgrade your hideout.
Kill 4 enemies in a row using multi-pistols.
Complete memory sequence 4.
Harpoon a killer whale.
Plunder 30 ships.
Complete a Templar Hunt sequence.
Complete present day mission 2.
Complete memory sequence 3.
Board a ship without losing any crew members.
Find a buried treasure.
Complete 25 Abstergo challenges.
Earn 50,000 reales.
Share each type of discovery with friends once.
Swim a total of 1 nmi.
Complete memory sequence 2.
Rescue pirate hostages by distracting enemies with "dancers."
Kill a guard ringing a bell.
Wake up in a haystack.
Complete memory sequence 1.
Complete every activity in a single location.
Play on every game mode, and use every ability and ranged weapon once in Multiplayer.
Reach level 55 in Multiplayer.
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 Orchid, block 10 abilities from opponents with Sabotage.
Playing as Blackbeard, perform an acrobatic kill and a gun kill in less than 10 seconds.
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.
Freedom Cry - Completed all missions.
Gave the Gouverneur a taste of his own medicine.
Liberated 500 slaves.
Killed 5 guards at once with a blunderbuss.
Freed your first slave.