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