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
A precision metroidvania about learning fixed boss patterns and tight platforming.

Execution · Practiced Mastery
A compact, elegant metroidvania with crisp leaf-blade combat and punishing bosses.
Hollow Knight leans Execution (Practiced Mastery); Momodora: Reverie Under the Moonlight leans Execution (Practiced Mastery).
Hollow Knight leans a little harder on execution, though the gap is small.
Hollow Knight
Precise platforming and pogo timing dominate hard content.
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.
Hollow Knight
Bosses run scripted attack pools; not adaptive.
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.
Hollow Knight
Negligible; world layout is fixed.
Momodora: Reverie Under the Moonlight
Compact fixed world, few unknowns
Hollow Knight leans a little harder on optimization, though the gap is small.
Hollow Knight
Charm builds and boss routes are fully learnable.
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.