head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Optimization · Practiced Mastery
Twin assassins seize Victorian London borough by borough with gang warfare and a rope launcher.

Optimization · Practiced Mastery
A narrative action RPG where build planning matters more than reflex execution.
Assassin's Creed Syndicate leans Optimization (Practiced Mastery); The Witcher 3: Wild Hunt leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Syndicate
Rope-launcher traversal and simple brawling
The Witcher 3: Wild Hunt
Combat timing matters but generous dodges forgive sloppy play.
The Witcher 3: Wild Hunt leans a little harder on reads, though the gap is small.
Assassin's Creed Syndicate
Gangs are scripted
The Witcher 3: Wild Hunt
Enemies use fixed AI behaviours; no adaptation.
The Witcher 3: Wild Hunt leans a little harder on variance, though the gap is small.
Assassin's Creed Syndicate
Fixed activities
The Witcher 3: Wild Hunt
Loot rolls and minor combat variance only.
The Witcher 3: Wild Hunt leans a little harder on optimization, though the gap is small.
Assassin's Creed Syndicate
Gang upgrades and borough takeover planning
The Witcher 3: Wild Hunt
Builds, alchemy, and quest routing reward planning.
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.