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