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