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
An arcade FPS that scores you for killing enemies in the most creative ways possible.

Execution · Practiced Mastery
Brutal cinematic stealth-action sequel where execution under pressure decides fights.
Bulletstorm leans Execution (Practiced Mastery); The Last of Us Part II leans Execution (Practiced Mastery).
Bulletstorm leans a little harder on execution, though the gap is small.
Bulletstorm
Leash, kick, and shot timing drive skillshot chains
The Last of Us Part II
Faster, more demanding combat and dodge timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Bulletstorm
Enemies are scripted fodder for your combos
The Last of Us Part II
Smarter AI still runs mappable search scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Bulletstorm
Arenas and spawns are fixed and learnable
The Last of Us Part II
First-encounter unknowns only
Bulletstorm leans a little harder on optimization, though the gap is small.
Bulletstorm
Maximising skillshot score per arena is a solvable puzzle
The Last of Us Part II
Crafting economy and encounter route 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.