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