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