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.

Optimization · Systems & Chaos
Planning stealthy escapes through randomised castle layouts with primitive controls.

Optimization · Practiced Mastery
Progressing through a contaminated open world by solving its scenario tech tree and optimising base builds.
Castle Wolfenstein leans Optimization (Systems & Chaos); Once Human leans Optimization (Practiced Mastery).
Once Human leans a little harder on execution, though the gap is small.
Castle Wolfenstein
Clunky aiming and movement demand care, not twitch
Once Human
Third-person shooting and dodge rolls require real aim and timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Castle Wolfenstein
Guards react by simple rules, never modelling you
Once Human
Deviant creatures follow scripted attack patterns only
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Castle Wolfenstein
Randomised castle layouts and chest contents reshape each escape
Once Human
Deviant spawn composition and loot tables carry meaningful randomness
Once Human leans a little harder on optimization, though the gap is small.
Castle Wolfenstein
Stealth routes, uniforms and ammo economy are plannable
Once Human
Scenario tech tree, base construction, and gear crafting are solvable
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.