Full list of all 60 Assassin's Creed: Brotherhood achievements worth 1,250 gamerscore.
The base game contains 50 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 10 achievements worth 250 Gamerscore.
Get all the Co-op bonuses in 1 session (Multiplayer Only).
Remove All Borgia Flags in Rome.
Solve all of Subject 16’s puzzles.
Collect All Feathers.
Kill a guard with a broom.
Complete 10 Guild Challenges.
Kill your target while hidden in a hay bale (Multiplayer Only).
Score 750 points or more on a single kill (Multiplayer Only).
Take the lead 10 seconds before the end of a session and go on to win (Multiplayer Only).
Earn 3 gold medals in the Animus Virtual Training Program.
Jump with the parachute off the top of Castel Sant'Angelo.
Replay a Memory.
Discover the Shrine in the Basilica di San Pietro.
Train a recruit up to the Rank of Assassin.
Discover the Shrine in the Cloaca Maxima.
Secure the Apple of Eden.
Complete DNA Sequence 9.
Find 1 Artifact in 2012.
Complete DNA Sequence 8.
Complete DNA Sequence 7.
Discover the Shrine in Palazzo Laterano.
Burn All Borgia Towers.
Complete DNA Sequence 6.
Complete DNA Sequence 5.
Destroy the Naval Cannon.
Destroy the Tank.
Complete DNA Sequence 4.
Discover the Shrine in Il Colosseo.
Destroy the Bomber.
Destroy the Machine Gun.
Win the highest bet at the Fights.
Recruit 3 Assassins.
Complete DNA Sequence 3.
Achieve 100% Synchronization in any Sequence other than Sequence 1.
Renovate 5 buildings in the Antico district.
Perform a double or triple escape (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).
Complete an entire Session with at least one kill (Multiplayer Only).
Discover the Shrine in the Catacombe di Roma.
Access your email in 2012.
Throw money in a well.
Complete DNA Sequence 2.
Discover the Shrine in the Terme di Traiano.
Perform an Execution Streak of 10 kills.
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.
Reach Level 50 (Multiplayer Only).
Get every single bonus at least once (Multiplayer Only).
Receive 100% synch in ACB and full synch in all missions of the Da Vinci Disappearance.
Win 10000 florins playing Hazard.
Beat up the 5 thirsty harlequins.
Complete the Da Vinci Disappearance.
Kill a guard with the bag that drops from a lift.
Throw a Long Weapon, Heavy Weapon, and Smoke bomb more than 10 m at a guard.
Kill 10 guards with a single arrow storm.
Pay 500 florins to an orator, then pickpocket him afterward.
Double Assassinate from a parachute.
Steal 5 horses from their riders, while remaining on horseback.