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

Execution · Practiced Mastery
Cinematic survival action where scavenged resources and stealth carry you through the apocalypse.

Execution · Practiced Mastery
Sixties spy-comedy FPS mixing stealth, gadgets, and shootouts as agent Cate Archer.
The Last of Us leans Execution (Practiced Mastery); The Operative: No One Lives Forever leans Execution (Practiced Mastery).
The Operative: No One Lives Forever leans a little harder on execution, though the gap is small.
The Last of Us
Aim, stealth timing, and scarce-ammo combat
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.
The Last of Us
Enemy AI searches but follows mappable routines
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.
The Last of Us
Encounter layouts unknown first time only
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.
The Last of Us
Resource crafting and encounter routing
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.