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

Execution · Practiced Mastery
The series' action peak, with flashy drive forms and superbosses that built a lasting challenge-run community.

Execution · Practiced Mastery
A compact, elegant metroidvania with crisp leaf-blade combat and punishing bosses.
Kingdom Hearts II leans Execution (Practiced Mastery); Momodora: Reverie Under the Moonlight 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.
Kingdom Hearts II
Revenge values and Data fights demand precise play
Momodora: Reverie Under the Moonlight
Tight dodge-roll combat and demanding bosses
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Kingdom Hearts II
Even superbosses run scripted, mappable patterns
Momodora: Reverie Under the Moonlight
All bosses run fixed movesets
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Kingdom Hearts II
Fully visible action systems
Momodora: Reverie Under the Moonlight
Compact fixed world, few unknowns
Kingdom Hearts II leans a little harder on optimization, though the gap is small.
Kingdom Hearts II
Forms, abilities, and boss study reward labbing
Momodora: Reverie Under the Moonlight
Learning boss patterns and item routing
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.