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.
Craft the Hunter outfit.
Defeat all 4 legendary ships.
Fully upgrade the Jackdaw.
Perform 5 air assassinations from a swinging rope.
Recruit 500 crew members.
Find a buried treasure.
Unlock the secret door in Tulum.
Wake up in a haystack.
Fully upgrade your hideout.
Unlock all taverns.
Complete all naval contracts.
Visit every location of the game.
Explore all underwater shipwrecks.
Plunder 30 ships.
Harpoon a killer whale.
Complete every activity in a single location.
Complete a Templar Hunt sequence.
Capture all forts.
Share each type of discovery with friends once.
Complete memory sequence 13.
Complete present day mission 5.
Complete memory sequence 12.
Complete memory sequence 11.
Complete present day mission 4.
Complete memory sequence 10.
Complete memory sequence 9.
Complete memory sequence 8.
Kill 4 enemies in a row using multi-pistols.
Complete memory sequence 7.
Complete present day mission 3.
Complete memory sequence 6.
Swim a total of 1 nmi.
Earn 50,000 reales.
Complete memory sequence 5.
Complete 25 Abstergo challenges.
Complete memory sequence 4.
Complete memory sequence 3.
Complete present day mission 2.
Kill a guard ringing a bell.
Board a ship without losing any crew members.
Complete memory sequence 2.
Complete memory sequence 1.
Complete 100% of all main mission constraints.
Hack 15 computers in Abstergo Entertainment.
Rescue pirate hostages by distracting enemies with "dancers."
Reach level 55 in Multiplayer.
Finish a game session with an ability set that you customized in Multiplayer.
Complete the Discovery Mode of Wolfpack 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.
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.
Playing as The Orchid, block 10 abilities from opponents with Sabotage.
Kill a player using a lift that has been trapped with Booby Trap.
Free your first slave.
Liberate 500 slaves.
Kill 5 guards at once with a blunderbuss.
Disarm the Gouverneur and kill him with the branding iron.
Freedom Cry - Complete all missions
Freedom Cry - Achieve 100% synchronization