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.
Play on every game mode, and use every ability and ranged weapon once in Multiplayer.
Reach level 55 in Multiplayer.
Visit every location of the game.
Defeat all 4 legendary ships.
Fully upgrade the Jackdaw.
Unlock the secret door in Tulum.
Complete 100% of all main mission constraints.
Complete all naval contracts.
Capture all forts.
Perform 5 air assassinations from a swinging rope.
Fully upgrade your hideout.
Unlock all taverns.
Craft the Hunter outfit.
Kill 4 enemies in a row using multi-pistols.
Complete a Templar Hunt sequence.
Recruit 500 crew members.
Find a buried treasure.
Explore all underwater shipwrecks.
Wake up in a haystack.
Plunder 30 ships.
Rescue pirate hostages by distracting enemies with "dancers."
Complete memory sequence 13.
Complete present day mission 5.
Hack 15 computers in Abstergo Entertainment.
Complete memory sequence 12.
Play and complete a game session of Game Lab in the Multiplayer Public playlist.
Complete memory sequence 11.
Complete present day mission 4.
Complete memory sequence 10.
Complete memory sequence 9.
Complete memory sequence 8.
Finish a game session with an ability set that you customized in Multiplayer.
Complete the Discovery Mode of Wolfpack in Multiplayer.
Complete memory sequence 7.
Share each type of discovery with friends once.
Complete present day mission 3.
Complete memory sequence 6.
Swim a total of 1 nmi.
Complete memory sequence 5.
Earn 50,000 reales.
Complete memory sequence 4.
Harpoon a killer whale.
Complete 25 Abstergo challenges.
Complete present day mission 2.
Complete memory sequence 3.
Kill a guard ringing a bell.
Board a ship without losing any crew members.
Complete memory sequence 2.
Complete every activity in a single location.
Complete memory sequence 1.
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