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