Assassin's Creed Syndicate

1. 
   A Spanner in the Works

   Complete Memory Sequence 1.
   22%
2. 
   A Simple Plan

   Complete Memory Sequence 2.
   20%
3. 
   A Modern Babylon

   Complete Memory Sequence 3.
   17%
4. 
   A Quick and Reliable Remedy

   Complete Memory Sequence 4.
   12%
5. 
   The Perils of Business

   Complete Memory Sequence 5.
   9.8%
6. 
   A Run on the Bank

   Complete Memory Sequence 6.
   8.7%
7. 
   All Is Fair in Politics

   Complete Memory Sequence 7.
   7.6%
8. 
   The Joys of Freedom

   Complete Memory Sequence 8.
   7.5%
9. 
   Shall We Dance?

   Complete Memory Sequence 9.
   6.9%
10. 
    Friends at My Back

    Recruit a gang of 5 allies.
    8.7%
11. 
    The War at Home

    Complete the World War I simulation.
    4.3%
12. 
    Cerevisaphile

    Sample every beer brand in London.
    2.3%
13. 
    No Ticket

    Kick fifty enemies off of trains.
    0.7%
14. 
    Flawless Conqueror

    Secure three Gang Strongholds and complete their optional constraints.
    9.6%
15. 
    Bare-Knuckle Champion

    Win three different Fight Clubs.
    5.8%
16. 
    A Quarter-Furlong at a Time

    Finish first in 3 different Street Races.
    2.2%
17. 
    Treasure Hunter

    Complete ten Raids of any type with Jacob or Evie.
    5.8%
18. 
    Thieftaker

    Bring three Bounty targets back alive.
    14%
19. 
    Unqualified Success

    Complete three Templar Hunts and their challenges.
    12%
20. 
    Children's Aid Society

    Complete five Child Liberation memories.
    12%
21. 
    Guardian Angel

    Successfully escort ten friendly cargo shipments.
    1.4%
22. 
    Godlike

    Unlock all of the Secrets of London.
    3.2%
23. 
    A Broad Base

    Reach Loyalty level 1 with all Associates.
    3.4%
24. 
    Bedfellows, Strange or Otherwise

    Reach maximum Loyalty with any Associate.
    7.5%
25. 
    Needle in a Haystack

    Kill five enemies from within the same haystack.
    1.8%
26. 
    Street Sweeping

    Conquer all the boroughs in London
    6.5%
27. 
    Multitalented

    Acquire ten Perks.
    3.6%
28. 
    Keys to the City

    Acquire all of the Gang Upgrades.
    4.1%
29. 
    Artisan

    Craft a Level 10 Item.
    6.2%
30. 
    Bartitsu

    Learn every Fight Skill as Jacob.
    8.6%
31. 
    Phantom

    Learn every Stealth Skill as Evie.
    8.7%
32. 
    Wonder of the Age

    Reach Level 10.
    7.6%
33. 
    Ordinary Criminal

    Complete twenty Crowd Events.
    9.9%
34. 
    Language of Flowers

    Collect all of the Pressed Flowers.
    2.4%
35. 
    Student of History

    Collect all of the Historical Posters.
    2.0%
36. 
    A Life in Letters

    Collect all of the Royal Letters.
    1.7%
37. 
    Chimney Sweep

    Synchronize every Viewpoint in London.
    4.0%
38. 
    Mentor

    Reach 100% Sync in the Main Memories
    1.3%
39. 
    Furious

    Destroy twenty vehicles by ramming them.
    2.7%
40. 
    WHAT IS WRONG WITH YOU

    Flip five vehicles by shooting their horses.
    5.6%
41. 
    Look Out Below

    Kill three enemies with a single stack of hanging barrels.
    7.6%
42. 
    You Wouldn't Steal a Policeman's Helmet

    Hijack twenty police vehicles.
    0.8%
43. 
    Queensbury Rules

    Reach combo level 40.
    17%
44. 
    Whirlwind of Death

    Perform fifty Multi-Finishers.
    3.8%
45. 
    Blade in the Crowd

    Assassinate fifty enemies.
    17%
46. 
    Opium Scourge

    Affect at least four enemies simultaneously with the Hallucinogenic Dart.
    4.4%
47. 
    Blade from Above

    Air Assassinate twenty enemies from a zipline.
    2.9%
48. 
    Most Unsporting

    Shoot fifty enemies before they shoot at you.
    1.0%
49. 
    Without a Grudge

    Destroy 5000 destructibles with your carriage.
    0.7%
50. 
    A well-kept secret

    Jack is dead and his identity will remain hidden forever.
    2.0%
51. 
    Brutal

    Perform 30 complete Brutal Takedowns.
    1.4%
52. 
    Keep calm and carry on

    Kill a Brute while he calms down his panicked allies.
    1.4%
53. 
    Put the fear of you into them

    Scare an enemy and make him kill someone else by mistake.
    2.3%
54. 
    Are you scared yet?

    Frighten 200 enemies.
    1.0%
55. 
    The new terror of Whitechapel

    Unlock 50% of the skills.
    2.1%
56. 
    Ripperologist

    Achieve 100% synchronization in Jack the Ripper.
    0.8%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 56 of them.