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 forgiving licensed brawler testing only basic combat timing.
Grow Home leans Execution (Practiced Mastery); Kung Fu Panda 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
Kung Fu Panda
Forgiving brawler combos aimed at younger players
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
Kung Fu Panda
Enemies and Tai Lung follow 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
Kung Fu Panda
Levels are linear and deterministic
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
Kung Fu Panda
Upgrade purchases and collectible routes add light planning
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.