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
A gentle platformer where copying enemy abilities and light timing carries progress.

Execution · Practiced Mastery
A forgiving licensed brawler testing only basic combat timing.
Kirby: Nightmare in Dream Land 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.
Kirby: Nightmare in Dream Land
light platforming and timing precision
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.
Kirby: Nightmare in Dream Land
scripted enemies, no adaptation
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.
Kirby: Nightmare in Dream Land
minimal randomness
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.
Kirby: Nightmare in Dream Land
ability combos lightly solvable
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.