Full list of all 64 Assassin's Creed III achievements worth 1,350 gamerscore. It takes around 40-50 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 4 DLC packs containing 14 achievements worth 350 Gamerscore.
Reach level 20 in the multiplayer mode.
Complete ALL progress tracker grid entries.
Complete 100% of all main mission constraints.
Customize your multiplayer Profile and Character.
Unlock a hacked version of one of the Abstergo videos in the story quest.
Complete the Encyclopedia of the Common Man.
Complete all challenges for any of the Clubs.
Complete each of the epilogue missions unlocked after the credits roll.
Open the Temple Door and learn Desmond's fate.
Complete Sequence 11.
Complete Sequence 12.
After becoming fully Notorious, kill 10 Jagers before losing your notoriety.
Find all pivots and sync the Animus to the Cloud.
Exchange undamaged pelts at all different general stores.
Loot a convoy without killing any of its guards.
Win a game of Fanorona, Morris and Bowls on the Homestead.
Complete Present - Abstergo.
Complete Sequence 10.
Kill 15 guards with a single cannon shot.
Send a convoy to Boston, New York and the Frontier.
Hang 5 enemies by using rope darts.
Perform a double assassination using a musket.
Craft one of Franklin's inventions to decorate your Manor.
Complete Sequence 9.
See all the optional characters settled at the Homestead.
Be on the winning team at the end of a multiplayer game session.
Reach sequence 10 in a map on Wolfpack multiplayer mode.
Complete all 12 Privateer Contracts.
Uncover the mystery of Oak Island.
Complete all Naval Missions aboard the Aquila.
Complete Present - Stadium.
Complete Sequence 8.
Complete 50% of the Progress Tracker entries.
Have a Trainee reach the Assassin Rank.
Complete Sequence 7.
Witness a predator killing an enemy.
Liberate all districts in Boston OR New York.
Complete Sequence 6.
Explore Fort Wolcott.
Upgrade the Aquila.
Complete Present - Skyscraper.
Complete Sequence 5.
Recruit any of the Artisans and see them settled on the Homestead.
Retrieve every page for one of Ben Franklin's Almanacs.
Be invited to join a Club.
Complete Sequence 4.
Complete Sequence 3.
Complete Sequence 1 & 2.
Block a firing line 5 times by using a human shield.
Re-Enter the Animus.
Complete a Wolfpack multiplayer session on any of the additional maps.
With any of the additional characters, perform 20 ‘Revive’ actions.
Finish a multiplayer game session with each of the additional characters.
Stun 3 pursuers without dying, playing with any of the additional characters.
Reach 100% synchronization in the Frontier.
Defeat Benedict Arnold.
Kill 25 enemies while staying cloaked.
Receive an unexpected gift.
Reach 100% synchronization in Boston.
Defeat Putnam.
Use Eagle Flight to travel 1 km.
Reach 100% synchronization in New York.
Defeat George Washington.
Kill 125 enemies using Bear Might.