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
The 1992 survival-horror pioneer trapping you in a puzzle-filled haunted mansion.

Optimization · Practiced Mastery
A comedic first-person exploration romp cataloguing a candy-coloured alien planet.
Alone in the Dark leans Optimization (Practiced Mastery); Journey to the Savage Planet 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.
Alone in the Dark
Clunky combat and dodging
Journey to the Savage Planet
Light shooting and platforming, forgiving
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Alone in the Dark
Monsters scripted in place
Journey to the Savage Planet
Creature AI is simple and scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Alone in the Dark
Traps surprise exactly once
Journey to the Savage Planet
Some unknown creature behaviours on first contact
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Alone in the Dark
Puzzle solutions and item routes are fixed
Journey to the Savage Planet
Upgrade routing and scan-everything exploration
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.