Complete each achievement to get the allotted gamerscore.
| Unlockable: | How to unlock: |
| A Complete Set (20) | See all the optional characters settled at the Homestead. |
| Abstergo Entertainment (10) | Reach level 20 in the multiplayer mode. |
| All Washed Up (40) | Complete all Naval Missions aboard the Aquila. |
| An Extraordinary Man (10) | Complete the Encyclopedia of the Common Man. |
| Blowing in the Wind (20) | Retrieve every page for one of Ben Franklin's Almanacs. |
| Bring Down the House (20) | Explore Fort Wolcott. |
| By Invitation Only (20) | Be invited to join a Club. |
| Caged Wolf (20) | Complete Sequence 8. |
| Circus Act (10) | Kill 15 guards with a single cannon shot. |
| Completionist (50) | Complete ALL progress tracker grid entries. |
| Coureur des Bois (10) | Exchange undamaged pelts at all different general stores. |
| Criss Cross (20) | Complete Present - Skyscraper. |
| Daddy Dearest (20) | Complete Present - Stadium. |
| Difficult End (20) | Complete Sequence 11. |
| Entrepreneur, not Pirate! (20) | Complete all 12 Privateer Contracts. |
| Eye Witness (10) | Witness a predator killing an enemy. |
| Fin (30) | Complete each of the epilogue missions unlocked after the credits roll. |
| Grim Expectations (20) | Complete Sequence 10. |
| Head in the Cloud (20) | Find all pivots and sync the Animus to the Cloud. |
| Heroes are Born (20) | Complete Sequence 4. |
| House Party (10) | Recruit any of the Artisans and see them settled on the Homestead. |
| How D'ya Like Them Apples (20) | Complete Sequence 3. |
| Hunter/Killer (20) | Reach sequence 10 in a map on Wolfpack multiplayer mode. |
| In Good Standing (30) | Complete all challenges for any of the Clubs. |
| Jager Bomb (20) | After becoming fully Notorious, kill 10 Jagers before losing your notoriety. |
| Kidd Gloves (30) | Uncover the mystery of Oak Island. |
| Magna cum Laude (20) | Have a Trainee reach the Assassin Rank. |
| Man of the People (20) | Liberate all districts in Boston OR New York. |
| Monopoly Man (10) | Send a convoy to Boston, New York and the Frontier. |
| Multitasking (20) | Complete 50% of the Progress Tracker entries. |
| Mystery Guest (20) | Complete Sequence 1 & 2. |
| No Good Deed Goes Unpunished (20) | Open the Temple Door and learn Desmond's fate. |
| Original Gamer (20) | Win a game of Fanorona, Morris and Bowls on the Homestead. |
| Patent Not Pending (10) | Craft one of Franklin's inventions to decorate your Manor. |
| Perfectionist (50) | Complete 100% of all main mission constraints. |
| Personalized (10) | Customize your multiplayer Profile and Character. |
| Predator (10) | Hang 5 enemies by using rope darts. |
| Prince of Thieves (10) | Loot a convoy without killing any of its guards. |
| Rude Awakening (10) | Re-Enter the Animus. |
| Spit Roast (20) | Perform a double assassination using a musket. |
| Tea is for Englishmen (20) | Complete Sequence 6. |
| The Day the Templars Cried (20) | Complete Sequence 5. |
| The End is Nigh (20) | Complete Present - Abstergo. |
| The Sum of Truth (50) | Complete Sequence 12. |
| The Truth Will Out (20) | Unlock a hacked version of one of the Abstergo videos in the story quest. |
| The Whites of Their Eyes (20) | Complete Sequence 7. |
| Tumblehome (10) | Upgrade the Aquila. |
| Two if by Sea (20) | Complete Sequence 9. |
| Whit's fur ye'll no go by ye! (10) | Block a firing line 5 times by using a human shield. |
| Winning Team (20) | Be on the winning team at the end of a multiplayer game session. |