Full list of all 57 Assassin's Creed Unity achievements worth 1,300 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 7 achievements worth 300 Gamerscore.
Complete all Co-op and Heist missions in Paris at least once.
Open every chest in Paris.
Collect all Cockades
Renovate all the Social Clubs and complete all the Social Club missions.
Complete all training missions.
Unlock all Skills.
Complete Memory Sequence 12.
Complete all Single Player mission challenges in Paris.
Complete all Rift missions.
Free a total of 10 trapped Assassins.
Perform all Social Club missions in a district.
Earn Data Bonuses in 3 different Helix Rifts.
Complete Memory Sequence 11.
Complete Memory Sequence 10.
Perform a ground execution.
Complete Memory Sequence 9.
Complete Memory Sequence 8.
Complete Memory Sequence 7.
Complete Memory Sequence 6.
Unlock the Medieval Armor in the Café Théâtre.
Perform 10 non-lethal takedowns in a Co-op mission.
Lockpick 20 chests.
Drop 20 Money Pouches in the streets.
Earn 100% completion of Versailles.
Complete a Nostradamus Enigma in Paris.
Get all the rewards in a Co-op mission in Paris.
Perform 10 Co-op sync kills.
Kill 20 enemies with a Long Weapon.
Watch a play in the Café Théâtre.
Kill 20 enemies with a heavy weapon.
Enjoy the view of Paris from Arno's balcony.
Complete Memory Sequence 5.
Lockpick 5 doors.
Complete Memory Sequence 4.
Earn a total of 50,000 livres.
Complete all the renovations of the Café Théâtre.
Assassinate 100 enemies.
Perform 10 air assassinations.
Revive a partner in Co-op.
Complete Memory Sequence 3.
Sabotage 5 alarm bells in Paris.
Synchronize all Viewpoints in Paris.
Renovate your first Social Club.
Complete 10 Crowd Events.
Complete a Co-op mission in Paris.
Complete Memory Sequence 2.
Solve a Murder Mystery in Paris.
Kill an enemy with a lift counterweight.
Complete Memory Sequence 1.
Complete the Prologue.
Achieve 100% synchronization in Dead Kings.
Complete Memory Sequence 13.
Complete the Heist and the Co-op mission in Dead Kings at least once.
Complete Suger's Legacy and recover the Eagle of Suger.
Kill 15 Raider leaders.
Free every outpost in Franciade.
Kill 5 enemies at the same time with a Guillotine Gun.