head to head
The Witcher 3: Wild Hunt asks more than Mafia II, and the gap is optimization.

Execution · Practiced Mastery
Linear postwar crime story driven by cover shootouts and atmosphere.

Optimization · Practiced Mastery
A narrative action RPG where build planning matters more than reflex execution.
Mafia II leans Execution (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.
Mafia II
Cover shooting and fistfight timing
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.
Mafia II
Enemies 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.
Mafia II
Story missions are fixed
The Witcher 3: Wild Hunt
Loot rolls and minor combat variance only.
The Witcher 3: Wild Hunt leans clearly harder on optimization.
Mafia II
Modest; learning encounter layouts
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.