No missable achievements (plus 57 unknown)
Sign in with Steam or Xbox to track your progress, and:
Complete the Prologue.
Complete Memory Sequence 1.
Complete Memory Sequence 2.
Complete Memory Sequence 3.
Complete 10 Crowd Events.
Perform 10 air assassinations.
Assassinate 100 enemies.
Sabotage 5 alarm bells in Paris.
Complete Memory Sequence 4.
Renovate your first Social Club.
Complete Memory Sequence 5.
Earn a total of 50,000 livres.
Lockpick 5 doors.
Complete a Co-op mission in Paris.
Complete Memory Sequence 6.
Complete Memory Sequence 7.
Complete Memory Sequence 8.
Complete Memory Sequence 9.
Complete Memory Sequence 10.
Solve a Murder Mystery in Paris.
Complete Memory Sequence 11.
Kill an enemy with a lift counterweight.
Complete Memory Sequence 12.
Kill 20 enemies with a heavy weapon.
Complete all the renovations of the Café Théâtre.
Revive a partner in Co-op.
Kill 20 enemies with a Long Weapon.
Lockpick 20 chests.
Complete a Nostradamus Enigma in Paris.
Kill 5 enemies at the same time with a Guillotine Gun.
Perform all Social Club missions in a district.
Synchronize all Viewpoints in Paris.
Perform 10 Co-op sync kills.
Kill 15 Raider leaders.
Complete Memory Sequence 13.
Get all the rewards in a Co-op mission in Paris.
Earn Data Bonuses in 3 different Helix Rifts.
Enjoy the view of Paris from Arno's balcony.
Unlock the Medieval Armor in the Café Théâtre.
Earn 100% completion of Versailles.
Free every outpost in Franciade.
Complete Suger's Legacy and recover the Eagle of Suger.
Free a total of 10 trapped Assassins.
Drop 20 Money Pouches in the streets.
Perform a ground execution.
Renovate all the Social Clubs and complete all the Social Club missions.
Complete all Rift missions.
Watch a play in the Café Théâtre.
Complete the Heist and the Co-op mission in Dead Kings at least once.
Complete all Co-op and Heist missions in Paris at least once.
Collect all Cockades
Perform 10 non-lethal takedowns in a Co-op mission.
Complete all Single Player mission challenges in Paris.
Open every chest in Paris.
Complete all training missions.
Unlock all Skills.
Achieve 100% synchronization in Dead Kings.