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