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.
Reach Level 50 (Multiplayer Only).
Find 1 Artifact in 2012.
Get every single bonus at least once (Multiplayer Only).
Collect All Feathers.
Jump with the parachute off the top of Castel Sant'Angelo.
Get all the Co-op bonuses in 1 session (Multiplayer Only).
Win the highest bet at the Fights.
Solve all of Subject 16’s puzzles.
Perform an Execution Streak of 10 kills.
Replay a Memory.
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).
During Open Conflict, kill your target and escape (Multiplayer Only).
Earn 3 gold medals in the Animus Virtual Training Program.
Score 750 points or more on a single kill (Multiplayer Only).
Kill a guard with a broom.
Complete 10 Guild Challenges.
Discover the Shrine in the Cloaca Maxima.
Train a recruit up to the Rank of Assassin.
Secure the Apple of Eden.
Complete DNA Sequence 9.
Complete DNA Sequence 8.
Discover the Shrine in the Basilica di San Pietro.
Complete DNA Sequence 7.
Burn All Borgia Towers.
Discover the Shrine in Palazzo Laterano.
Renovate 5 buildings in the Antico district.
Complete DNA Sequence 6.
Complete DNA Sequence 5.
Destroy the Bomber.
Destroy the Tank.
Complete DNA Sequence 4.
Destroy the Naval Cannon.
Destroy the Machine Gun.
Recruit 3 Assassins.
Complete DNA Sequence 3.
Achieve 100% Synchronization in any Sequence other than Sequence 1.
Discover the Shrine in the Catacombe di Roma.
Perform a double or triple escape (Multiplayer Only).
Kill your target and escape your pursuer in less than 10 seconds (Multiplayer Only).
Complete an entire Session with at least one kill (Multiplayer Only).
Access your email in 2012.
Discover the Shrine in Il Colosseo.
Complete DNA Sequence 2.
Discover the Shrine in the Terme di Traiano.
Throw money in a well.
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.
Remove All Borgia Flags in Rome.
Complete the Da Vinci Disappearance.
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.
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.