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 grim 2D action metroidvania steeped in religious horror.

Execution · Practiced Mastery
A stylish pixel-art action-adventure with silent storytelling.
Blasphemous leans Execution (Practiced Mastery); Hyper Light Drifter leans Execution (Practiced Mastery).
Hyper Light Drifter leans a little harder on execution, though the gap is small.
Blasphemous
Punishing 2D combat and platforming
Hyper Light Drifter
Quick dash-slash combat with tight windows
Hyper Light Drifter leans a little harder on reads, though the gap is small.
Blasphemous
Scripted bosses
Hyper Light Drifter
Scripted bosses with patterns
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Blasphemous
Static world
Hyper Light Drifter
Deterministic encounters
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Blasphemous
Rosary bead builds and routing
Hyper Light Drifter
Module loadouts and 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.