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