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