Bronze:

Technical Difficulties 
Objective: Complete Spain Sequence 1

Battle Wounds 
Objective: Complete DNA Sequence 1

Sanctuary! Sanctuary! 
Objective: Complete Present Sequence 1

Requiescat In Pace
Objective: Complete Spain Sequence 4

Perfect Recall 
Objective: Get a Sequence to 100% Memory Synchronization

Déjà vu 
Objective: Replay a Memory

Undertaker 2.0 
Objective: Complete LGS 1 [Catacombs]

Golden Boy 
Objective: Complete LGS 2 [Trajan Bath]

Bang!
Objective: Destroy the Machine Gun

Splash! 
Objective: Destroy the Naval Cannon

Boom! 
Objective: Destroy the Bomber

Kaboom! 
Objective: Destroy the Tank

Home Improvement 
Objective: Upgrade 5 buildings in the Antique district

Tower Offense 
Objective: Kill All the Borgia Leaders

Show Off 
Objective: Complete 10 Faction Creed Challenges

Perfectionist 
Objective: Get 3 Gold Medals in VR Missions

Brotherhood 
Objective: Recruit 3 Assassins

Welcome to the Brotherhood 
Objective: Have a Trainee reach the Rank of Assassin

Capture the Flag 
Objective: Remove All Borgia Flags in Rome

In Memoriam 
Objective: Collect All Feathers

Dust to Dust 
Objective: Find 1 Artifact in the Present

Serial Killer 
Objective: Perform a 10 combo-kill streak

Spring Cleaning 
Objective: Kill a guard with a Broom.

Your Wish is Granted 
Objective: Throw Money in a Well

Fly Like an Eagle 
Objective: Jump with the Parachute from the Top of the Castel San Angelo

The Gloves Come Off 
Objective: Win the highest bet at the Fight Club

Mailer Daemon 
Objective: Access your Email in the Present

Synchronization Established 
Objective: Complete an entire Multiplayer Session with at least one kill

Needle in a Haystack 
Objective: Kill your target while being hidden in a Haystack

Strong Closer 
Objective: Take the lead 10 seconds before the end of the session and win the game

Fast Learner 
Objective: Kill your target and escape your assassin in less than 10 seconds

Role Model 
Objective: Get all the COOP Bonuses in one session

Overachiever 
Objective: Get a 750 Point Kill or more

Abstergo Employee of the Month 
Objective: Get Every Bonus at Least Once

Ahead of the Curve 
Objective: Perform a Double or a Triple Escape

Silver:

Rome in Ruins 
Objective: Complete DNA Sequence 2

Fixer-Upper 
Objective: Complete DNA Sequence 3

Principessa in Another Castello 
Objective: Complete DNA Sequence 4

Fundraiser
Objective: Complete DNA Sequence 5

Forget Paris 
Objective: Complete DNA Sequence 6

Bloody Sunday 
Objective: Complete DNA Sequence 7

Vittoria Agli Assassini 
Objective: Complete DNA Sequence 8

Gladiator 
Objective: Complete LGS 3 [Colosseum]

Plumber 
Objective: Complete LGS 4 [Cloaca Maxima]

One-Man Wrecking Crew 
Objective: Complete LGS 5 [Lateran Palace]

Amen
Objective: Complete LGS 6 [St. Peter's Basilica]

.. .- -- .- .-.. .. ...- . 
Objective: Solve all of Subject 16's Puzzles

Job Skills 
Objective: During an Open Conflct, kill your target and escape

Download Complete 
Objective: Reach Level 50

Gold:

A Knife to the Heart 
Objective: Complete the Game

Platinum:

Julius Caeser 
Objective: Get Every Trophy