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
Rapture's plasmid-and-pistol shooter where ideology meets gunplay.

Execution · Practiced Mastery
A grim 2D action metroidvania steeped in religious horror.
BioShock leans Execution (Practiced Mastery); Blasphemous leans Execution (Practiced Mastery).
Blasphemous leans a little harder on execution, though the gap is small.
BioShock
Shooting and plasmid timing required.
Blasphemous
Punishing 2D combat and platforming
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
BioShock
Splicers scripted; behaviors fixed.
Blasphemous
Scripted bosses
BioShock leans a little harder on variance, though the gap is small.
BioShock
Loot and splicer spawns randomized.
Blasphemous
Static world
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
BioShock
Tonics, plasmids, weapon upgrades solvable.
Blasphemous
Rosary bead builds 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.