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.
Complete ALL progress tracker grid entries.
Complete the Encyclopedia of the Common Man.
Complete 100% of all main mission constraints.
After becoming fully Notorious, kill 10 Jagers before losing your notoriety.
Complete all challenges for any of the Clubs.
Exchange undamaged pelts at all different general stores.
Reach level 20 in the multiplayer mode.
Unlock a hacked version of one of the Abstergo videos in the story quest.
Customize your multiplayer Profile and Character.
Be on the winning team at the end of a multiplayer game session.
Win a game of Fanorona, Morris and Bowls on the Homestead.
Hang 5 enemies by using rope darts.
Loot a convoy without killing any of its guards.
Have a Trainee reach the Assassin Rank.
Send a convoy to Boston, New York and the Frontier.
Find all pivots and sync the Animus to the Cloud.
Perform a double assassination using a musket.
Reach sequence 10 in a map on Wolfpack multiplayer mode.
Witness a predator killing an enemy.
Liberate all districts in Boston OR New York.
Craft one of Franklin's inventions to decorate your Manor.
Complete all 12 Privateer Contracts.
Retrieve every page for one of Ben Franklin's Almanacs.
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 Present - Abstergo.
Complete Sequence 10.
Kill 15 guards with a single cannon shot.
Block a firing line 5 times by using a human shield.
See all the optional characters settled at the Homestead.
Complete Sequence 9.
Complete all Naval Missions aboard the Aquila.
Complete 50% of the Progress Tracker entries.
Uncover the mystery of Oak Island.
Complete Present - Stadium.
Complete Sequence 8.
Complete Sequence 7.
Explore Fort Wolcott.
Complete Sequence 6.
Re-Enter the Animus.
Complete Present - Skyscraper.
Complete Sequence 1 & 2.
Complete Sequence 3.
Complete Sequence 4.
Complete Sequence 5.
Recruit any of the Artisans and see them settled on the Homestead.
Upgrade the Aquila.
Be invited to join a Club.
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.
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.
Defeat George Washington.
Kill 125 enemies using Bear Might.
Reach 100% synchronization in New York.