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 100% of all main mission constraints.
Unlock a hacked version of one of the Abstergo videos in the story quest.
Complete all challenges for any of the Clubs.
Complete the Encyclopedia of the Common Man.
Loot a convoy without killing any of its guards.
Reach level 20 in the multiplayer mode.
Complete all Naval Missions aboard the Aquila.
After becoming fully Notorious, kill 10 Jagers before losing your notoriety.
Perform a double assassination using a musket.
Have a Trainee reach the Assassin Rank.
Find all pivots and sync the Animus to the Cloud.
Win a game of Fanorona, Morris and Bowls on the Homestead.
Witness a predator killing an enemy.
Complete all 12 Privateer Contracts.
Exchange undamaged pelts at all different general stores.
Send a convoy to Boston, New York and the Frontier.
Craft one of Franklin's inventions to decorate your Manor.
Uncover the mystery of Oak Island.
See all the optional characters settled at the Homestead.
Hang 5 enemies by using rope darts.
Be on the winning team at the end of a multiplayer game session.
Reach sequence 10 in a map on Wolfpack multiplayer mode.
Customize your multiplayer Profile and Character.
Block a firing line 5 times by using a human shield.
Complete 50% of the Progress Tracker entries.
Liberate all districts in Boston OR New York.
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.
Explore Fort Wolcott.
Upgrade the Aquila.
Complete Sequence 9.
Complete Present - Stadium.
Complete Sequence 8.
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.
Finish a multiplayer game session with each of the additional characters.
Complete a Wolfpack multiplayer session on any of the additional maps.
With any of the additional characters, perform 20 ‘Revive’ actions.
Stun 3 pursuers without dying, playing with any of the additional characters.
Reach 100% synchronization in the Frontier.
Kill 25 enemies while staying cloaked.
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.