No missable achievements (plus 60 unknown)
Sign in with Steam or Xbox to track your progress, and:
Complete memory sequence 1.
Complete memory sequence 2.
Complete memory sequence 3.
Complete present day mission 2.
Board a ship without losing any crew members.
Complete 25 Abstergo challenges.
Complete memory sequence 4.
Complete memory sequence 5.
Earn 50,000 reales.
Swim a total of 1 nmi.
Find a buried treasure.
Kill a guard ringing a bell.
Complete every activity in a single location.
Complete memory sequence 6.
Complete present day mission 3.
Complete memory sequence 7.
Complete memory sequence 8.
Complete memory sequence 9.
Complete memory sequence 10.
Complete a Templar Hunt sequence.
Plunder 30 ships.
Complete present day mission 4.
Complete memory sequence 11.
Harpoon a killer whale.
Complete memory sequence 12.
Complete present day mission 5.
Complete memory sequence 13.
Kill 4 enemies in a row using multi-pistols.
Share each type of discovery with friends once.
Capture all forts.
Recruit 500 crew members.
Unlock the secret door in Tulum.
Perform 5 air assassinations from a swinging rope.
Fully upgrade your hideout.
Hack 15 computers in Abstergo Entertainment.
Explore all underwater shipwrecks.
Complete all naval contracts.
Craft the Hunter outfit.
Wake up in a haystack.
Unlock all taverns.
Finish a game session with an ability set that you customized in Multiplayer.
Visit every location of the game.
Fully upgrade the Jackdaw.
Defeat all 4 legendary ships.
Freed your first slave.
Rescue pirate hostages by distracting enemies with "dancers."
Freedom Cry - Completed all missions
Killed 5 guards at once with a blunderbuss.
Liberated 500 slaves.
Play and complete a game session of Game Lab in the Multiplayer Public playlist.
Complete 100% of all main mission constraints.
Complete the Discovery Mode of Wolfpack in Multiplayer.
Gave the Gouverneur a taste of his own medicine.
Freedom Cry - Achieved 100% synchronization.
Reach level 55 in Multiplayer.
Play on every game mode, and use every ability and ranged weapon once in Multiplayer.
Kill a player using a lift that has been trapped with Booby Trap.
Playing as The Jaguar, be the highest scoring player of a Domination game session.
Playing as The Orchid, block 10 abilities from opponents with Sabotage.
Playing as Blackbeard, perform an acrobatic kill and a pistol kill in less than 10 seconds.