Full list of all 56 Assassin's Creed Syndicate achievements worth 1,300 gamerscore.
The base game contains 49 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 7 achievements worth 300 Gamerscore.
Reach 100% Sync in the Main Memories
Destroy 5000 destructibles with your carriage
Shoot fifty enemies before they shoot at you.
Unlock all of the Secrets of London.
Kill five enemies from within the same haystack.
Collect all of the Royal Letters.
Hijack twenty police vehicles.
Kick fifty enemies off of trains.
Collect all of the Historical Posters.
Sample every beer brand in London.
Collect all of the Pressed Flowers.
Complete the World War I simulation.
Reach Loyalty level 1 with all Associates.
Craft a Level 10 Item.
Complete Memory Sequence 9.
Conquer all the boroughs in London
Complete Memory Sequence 8.
Reach maximum Loyalty with any Associate.
Complete Memory Sequence 7.
Flip five vehicles by shooting their horses.
Successfully escort ten friendly cargo shipments.
Perform fifty Multi-Finishers.
Reach Level 10.
Affect at least four enemies simultaneously with the Hallucinogenic Dart.
Acquire all of the Gang Upgrades.
Acquire ten Perks.
Finish first in 3 different Street Races.
Destroy twenty vehicles by ramming them.
Complete Memory Sequence 6.
Synchronize every Viewpoint in London.
Secure three Gang Strongholds and complete their optional constraints.
Air Assassinate twenty enemies from a zipline.
Complete Memory Sequence 5.
Complete ten Raids of any type with Jacob or Evie.
Win three different Fight Clubs.
Learn every Fight Skill as Jacob.
Learn every Stealth Skill as Evie.
Complete twenty Crowd Events.
Complete five Child Liberation memories.
Complete Memory Sequence 4.
Bring three Bounty targets back alive.
Recruit a gang of 5 allies.
Kill three enemies with a single stack of hanging barrels.
Complete three Templar Hunts and their challenges.
Complete Memory Sequence 3.
Assassinate fifty enemies.
Complete Memory Sequence 2.
Complete Memory Sequence 1.
Reach combo level 40.
Secret Achievement
Perform 30 complete Brutal Takedowns.
Kill a Brute while he calms down his panicked allies.
Scare an enemy and make him kill someone else by mistake.
Frighten 200 enemies.
Unlock 50% of the skills.
Achieve 100% synchronization in the DLC.