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.
Perform 5 air assassinations from a swinging rope.
Recruit 500 crew members.
Complete the Discovery Mode of Wolfpack in Multiplayer.
Finish a game session with an ability set that you customized in Multiplayer.
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.
Complete memory sequence 10.
Visit every location of the game.
Complete memory sequence 9.
Fully upgrade the Jackdaw.
Fully upgrade your hideout.
Craft the Hunter outfit.
Complete a Templar Hunt sequence.
Unlock all taverns.
Complete all naval contracts.
Complete memory sequence 8.
Harpoon a killer whale.
Explore all underwater shipwrecks.
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.
Complete memory sequence 5.
Kill 4 enemies in a row using multi-pistols.
Capture all forts.
Plunder 30 ships.
Wake up in a haystack.
Swim a total of 1 nmi.
Complete memory sequence 4.
Earn 50,000 reales.
Complete present day mission 2.
Complete memory sequence 3.
Complete 25 Abstergo challenges.
Board a ship without losing any crew members.
Complete memory sequence 2.
Complete memory sequence 1.
Complete every activity in a single location.
Find a buried treasure.
Complete 100% of all main mission constraints.
Defeat all 4 legendary ships.
Share each type of discovery with friends once.
Rescue pirate hostages by distracting enemies with "dancers."
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.
Freedom Cry - Completed all missions
Liberated 500 slaves.
Killed 5 guards at once with a blunderbuss.
Freed your first slave.
Disarm the Gouverneur and kill him with the branding iron.
Freedom Cry - Achieve 100% synchronization