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

Execution · Practiced Mastery
Charming physics toy about a wobbly robot climbing a giant plant into the sky.

Execution · Practiced Mastery
A light test of cover-shooter aim with spells substituting for guns.
Grow Home leans Execution (Practiced Mastery); Harry Potter and the Deathly Hallows: Part 2 leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Grow Home
Procedural hand-over-hand climbing coordination
Harry Potter and the Deathly Hallows: Part 2
Basic cover-shooter aim with generous targeting
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Grow Home
No opposition of any kind
Harry Potter and the Deathly Hallows: Part 2
Enemies follow simple fixed scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Grow Home
World fixed; little hidden
Harry Potter and the Deathly Hallows: Part 2
Encounters are identical every run
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Grow Home
Vine routing toward floating islands
Harry Potter and the Deathly Hallows: Part 2
Spell selection per enemy type is a thin solvable layer
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.