Xbox 360 Achievements:
| Mastering the Art | 30 | |
| Earn the INCOGNITO bonus (Multiplayer). | ||
| Tools of the Templar | 10 | |
| Purchase your first ABILITY in the Abstergo Store (Multiplayer). | ||
| Achiever | 10 | |
| Complete a Challenge (Multiplayer). | ||
| True Templar | 20 | |
| Reach level 20 (Multiplayer). | ||
| Looking Good | 10 | |
| Customize a PERSONA (Multiplayer). | ||
| There Is No I in Team | 20 | |
| Win a session of a team mode (Multiplayer). | ||
| Make the Headlines | 30 | |
| Obtain 12 different Accolades (Multiplayer). | ||
| The Way I Like It | 20 | |
| Edit your TEMPLAR PROFILE to change your title, emblem, and patron (Multiplayer). | ||
| Explorer | 20 | |
| Finish a session of each game mode (Multiplayer). | ||
| Tactician | 30 | |
| Score at least 2500 points in a session (Multiplayer). | ||
| The Early Years | 20 | |
| Complete Desmond Sequence 1. | ||
| Best Served Cold | 20 | |
| Complete DNA Sequence 1. | ||
| The Reluctant Assassin | 20 | |
| Complete Desmond Sequence 2. | ||
| Istanbul and Constantinople | 20 | |
| Complete DNA Sequence 2. | ||
| Escape To New York | 20 | |
| Complete Desmond Sequence 3. | ||
| Seal the Deal | 20 | |
| Complete DNA Sequence 3. | ||
| The Prince | 20 | |
| Complete DNA Sequence 4. | ||
| The Plot Thickens | 20 | |
| Complete DNA Sequence 5. | ||
| Successes and Failures | 20 | |
| Complete DNA Sequence 6. | ||
| The Rotten Apple | 20 | |
| Complete Desmond Sequence 4. | ||
| Old Boss, New Boss | 20 | |
| Complete DNA Sequence 7. | ||
| Priorities | 20 | |
| Complete DNA Sequence 8. | ||
| Are You Desmond Miles? | 20 | |
| Complete Desmond Sequence 5. | ||
| Revelations | 50 | |
| Complete DNA Sequence 9. | ||
| Fond Memories | 20 | |
| Achieve 100% Synchronization in all Sequences. | ||
| Holy Wisdom | 20 | |
| Complete the Hagia Sofia challenge level. | ||
| Capped | 20 | |
| Collect all animus data fragments. | ||
| Worth A Thousand Words | 20 | |
| Collect all of Ishak Pasha's memoir pages. | ||
| Pyromaniac | 20 | |
| Complete all Bomb Missions. | ||
| Armchair General | 20 | |
| Control all cities (except Rhodes) simultaneously in the Mediterranian Defense game. | ||
| Iron Curtain | 20 | |
| Perform a perfect den defense without using the cannon. | ||
| Spider Assassin | 20 | |
| Climb Hagia Sofia, from the ground to the pinnacle, in under 25 seconds. | ||
| A Friend Indeed | 20 | |
| Complete all Faction Creed Challenges from a single faction. | ||
| Tax Evasion | 10 | |
| Get your money back from a Templar tax collector. | ||
| The Mentor | 20 | |
| Have seven trainees reach the rank of Master Assassin. | ||
| Lightning Strikes | 20 | |
| Kill 5 guards in 5 seconds using only your hidden blades. | ||
| Overkiller | 20 | |
| Assassinate 50 guards with the hidden blade. | ||
| Show-Off | 20 | |
| Parachute onto a zipline. | ||
| Sage | 20 | |
| Collect all available books. | ||
| Fast Fingers | 20 | |
| Loot 50 dead guards with thief looting. | ||
| Mosh Pit | 20 | |
| Have 10 guards poisoned at the same time. | ||
| Mouse Trap | 20 | |
| Kill 5 guards with a scaffold after they have been stunned by caltrops. | ||
| Craft Maniac | 20 | |
| Craft 30 bombs. | ||
| My Protégé | 20 | |
| Have one trainee reach the rank of Master Assassin. | ||
| Almost Flying | 20 | |
| Parachute directly from the top of the Galata Tower to the golden horn. | ||
| Silent But Deadly | 20 | |
| Kill three guards simultaneously with only throwing knives. | ||
| I can see you | 20 | |
| Kill 5 guards while under the cover of a smoke screen bomb. | ||
| Monster's Dance | 20 | |
| Have a guard incapacitate 3 civilians while he's poisoned. | ||
| Bully | 20 | |
| Find and beat up Duccio. | ||
| Secret Achievements | ||
| DLC: Ancestors Multiplayer Character Pack | ||
| Cost: 320 MSP Achievements: 4 Points: 90 | ||
| Stopped Dead | 20 | |
| Obtain 3 Hidden Gun kills during a session of Steal The Artifact as The Corsair (Multiplayer). | ||
| The Vulture | 20 | |
| Perform 5 Ground Finish in Manhunt during a session as The Brigand (Multiplayer). | ||
| Pirate’s bravery | 30 | |
| Use the Bodyguard against your pursuer as The Privateer (Multiplayer). | ||
| The Juggernaut | 20 | |
| Perform 3 kills using the Charge as The Gladiator (Multiplayer). | ||
| DLC: Mediterranean Traveller Map Pack | ||
| Cost: 800 MSP Achievements: 6 Points: 150 | ||
| Carnival | 20 | |
| Stay blended for 3 minutes during a Wanted session in Siena (Multiplayer). | ||
| Wild Rage | 30 | |
| Perform 3 Stuns without dying in Jerusalem (Multiplayer). | ||
| Restrained Violence | 20 | |
| Obtain 5 Kill Assist bonuses during a session of any Team Mode in Dyers (Multiplayer). | ||
| Straw Hat | 30 | |
| Perform 2 kills from haystacks during a session in San Donato (Multiplayer). | ||
| The Spice of Life | 30 | |
| Obtain 2 Variety bonuses during a session in Firenze (Multiplayer). | ||
| Up and Down | 20 | |
| Perform 5 Leaps of Faith during a session of Assassinate in Imperial District (Multiplayer). | ||
| DLC: Lost Archive | ||
| Cost: 800 MSP Achievements: 10 Points: 250 | ||
| Part of the Creed | 10 | |
| Take the induction leap of faith | ||
| Jump they say | 10 | |
| Reach the Animus memo | ||
| Enter the Animus | 10 | |
| Enter the Animus simulation | ||
| Meet your maker | 10 | |
| Finish memory five | ||
| Find all Pieces | 50 | |
| Find all decipher fragments | ||
| Save yourself | 10 | |
| Land on a block after falling more than 25 meters | ||
| Impress Warren Vidic | 50 | |
| Complete the Animus testing sequence without failing | ||
| Cross Styx without dying | 25 | |
| Make it across the river Styx without failing | ||
| Secret Achievements | ||
| The Loop | 25 | |
| Experience the loop | ||
| Breaking the Loop | 50 | |
| Break the loop, escape the cycle | ||
