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 gentle Hogwarts exploration checklist with minimal skill demands anywhere.

Optimization · Practiced Mastery
A deadpan janitor sim about mopping up the gory aftermath of sci-fi shooter battles.
Harry Potter and the Order of the Phoenix leans Optimization (Practiced Mastery); Viscera Cleanup Detail 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.
Harry Potter and the Order of the Phoenix
Spell-casting gestures are deliberately easy
Viscera Cleanup Detail
Mop physics fumbling, lightly fiddly at most
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Harry Potter and the Order of the Phoenix
Scripted students and Umbridge plots, no adaptive foe
Viscera Cleanup Detail
Nothing opposes you
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Harry Potter and the Order of the Phoenix
Hogwarts is fixed; discovery is one-time
Viscera Cleanup Detail
Messes are placed, not random in any meaningful way
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Harry Potter and the Order of the Phoenix
Navigating the castle and task checklist is the game
Viscera Cleanup Detail
Efficient cleanup order and bucket logistics are the game
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.