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AC Syndicate / Achievements / Challenges

A gold man in a top hat inside a laurel wreath.

Image: Ubisoft

Official screenshot from Ubisoft.

Ripperologist

Ripperologist asks for 100% synchronisation in the Jack the Ripper DLC: every optional objective in every DLC memory.

Category: Challenge
How to unlock: Achieve 100% synchronization in Jack the Ripper.
Trophy: Gold
Gamerscore: 90G
Players who have it: 0.8% on Steam

Unlocked by

Sequence 10: A Monster's CreedSequence 10: A Monster's Creed is the story of the Jack the Ripper DLC, set in London in 1888, twenty years after the main game. Evie Frye comes home from India to find Jacob missing and a killer terrorising Whitechapel, and you hunt him over ten memories using new fear tools.

Good to know

Part of the Jack the Ripper DLC.
The rarest Steam achievement of the game, at under 1%.
A gold trophy, worth 90 Gamerscore.
0.8% of Steam players have unlocked it.

How to get it

Finish the DLC, then replay any memory below full sync and do its optional objectives.

Related achievements

Image: Ubisoft
Story
A well-kept secret
Finish the Jack the Ripper story (Sequence 10).

Updated November 11, 2026

This entry uses material from the "Assassin's Creed: Syndicate achievements" article on the Assassin's Creed Wiki at Fandom and is licensed under CC BY-SA 3.0. Source CC BY-SA 3.0