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