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