head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Practiced Mastery
A co-op teen survival horror where light is a weapon and dead classmates stay dead.

Optimization · Practiced Mastery
A rare PS2 survival horror about a girl trapped in a cruel storybook world ruled by sinister children.
ObsCure leans Optimization (Practiced Mastery); Rule of Rose leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
ObsCure
Light aiming and flashlight management
Rule of Rose
Clunky combat poses a modest physical bar
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
ObsCure
Scripted monster encounters
Rule of Rose
Enemies are scripted, never adaptive
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
ObsCure
Permadeath partners and darkness hide information
Rule of Rose
Obscure item hunts and cryptic events until mapped
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
ObsCure
Resource routing and light tactics are learnable
Rule of Rose
Routes and puzzle solutions converge fully on replay
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.