Destroy the Naval Cannon.
Discover the Shrine in Palazzo Laterano.
Burn All Borgia Towers.
Train a recruit up to the Rank of Assassin.
Secure the Apple of Eden.
Complete DNA Sequence 9.
Complete DNA Sequence 8.
Complete DNA Sequence 7.
Renovate 5 buildings in the Antico district.
Complete DNA Sequence 6.
Complete DNA Sequence 5.
Complete DNA Sequence 4.
Destroy the Machine Gun.
Recruit 3 Assassins.
Perform an Execution Streak of 10 kills.
Complete DNA Sequence 3.
Achieve 100% Synchronization in any Sequence other than Sequence 1.
Complete DNA Sequence 2.
Discover the Shrine in the Terme di Traiano.
Access your email in 2012.
Find a secure place to hide and re-enter the Animus.
Complete DNA Sequence 1.
Attempt to access DNA Sequence 9 for the first time.
Win every trophy.
Replay a Memory.
Discover the Shrine in the Catacombe di Roma.
Discover the Shrine in Il Colosseo.
Discover the Shrine in the Cloaca Maxima.
Discover the Shrine in the Basilica di San Pietro.
Destroy the Bomber.
Destroy the Tank.
Complete 10 Guild Challenges.
Solve all of Subject 16’s puzzles.
Earn 3 gold medals in the Animus Virtual Training Program.
Remove All Borgia Flags in Rome.
Collect All Feathers.
Find 1 Artifact in 2012.
Kill a guard with a broom.
Throw money in a well.
Jump with the parachute off the top of Castel Sant'Angelo.
Win the highest bet at the Fights.
Complete an entire Session with at least one kill (Multiplayer Only).
Kill your target while hidden in a hay bale (Multiplayer Only).
Take the lead 10 seconds before the end of a session and go on to win (Multiplayer Only).
Kill your target and escape your pursuer in less than 10 seconds (Multiplayer Only).
During Open Conflict, kill your target and escape (Multiplayer Only).
Reach Level 50 (Multiplayer Only).
Get all the Co-op bonuses in 1 session (Multiplayer Only).
Score 750 points or more on a single kill (Multiplayer Only).
Get every single bonus at least once (Multiplayer Only).
Perform a double or triple escape (Multiplayer Only).
Throw a Long Weapon, Heavy Weapon, and Smoke bomb more than 10 m at a guard.
Win 10000 florins playing Hazard.
Receive 100% synch in ACB and full synch in all missions of the Da Vinci Disappearance.
Kill 10 guards with a single arrow storm.
Complete the Da Vinci Disappearance.
Beat up the 5 thirsty harlequins.
Double Assassinate from a parachute.
Steal 5 horses from their riders, while remaining on horseback.
Kill a guard with the bag that drops from a lift.
Pay 500 florins to an orator, then pickpocket him afterward.