head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Practiced Mastery
First-person parkour against zombies, especially terrifying after dark.

Execution · Practiced Mastery
Sixties spy-comedy FPS mixing stealth, gadgets, and shootouts as agent Cate Archer.
Dying Light leans Execution (Practiced Mastery); The Operative: No One Lives Forever leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Dying Light
Parkour traversal and melee timing demanding.
The Operative: No One Lives Forever
Period gunplay and stealth timing carry missions
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dying Light
Zombie AI scripted, non-adaptive.
The Operative: No One Lives Forever
Guards run scripted patrol AI
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Dying Light
Night-hunter encounters bring randomness.
The Operative: No One Lives Forever
First-run surprises in level scripting
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dying Light
Crafting, blueprints, skill trees solvable.
The Operative: No One Lives Forever
Gadget use, stealth routes, and intelligence hunting
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.