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