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 aggressive soulslike about punishing fixed boss patterns with tight dodging.

Execution · Practiced Mastery
A Cave bullet hell demanding the highest execution ceiling of any mainstream shmup, with a rank system that punishes passivity.
Bloodborne leans Execution (Practiced Mastery); Mushihimesama leans Execution (Practiced Mastery).
Mushihimesama leans a little harder on execution, though the gap is small.
Bloodborne
Aggressive dodges and rally timing demand sharp hands.
Mushihimesama
Ultra Maniac difficulty requires inhuman movement precision
Bloodborne leans a little harder on reads, though the gap is small.
Bloodborne
Bosses follow fixed movesets; no model of you.
Mushihimesama
All bullet patterns are scripted Cave bullet-hell formations
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Bloodborne
Chalice dungeon layouts and drops add some randomness.
Mushihimesama
Rank system alters bullet speed based on play style
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Bloodborne
Builds, weapons, and boss patterns are studyable and solvable.
Mushihimesama
Shot type selection, rank management, and scoring routes 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.