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