head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Optimization · Practiced Mastery
A golf-puzzle hybrid where Kirby is the ball and every hole has a plannable optimal line.

Optimization · Practiced Mastery
Motion-controlled Zelda where every swing's direction matters against blocking foes.
Kirby's Dream Course leans Optimization (Practiced Mastery); The Legend of Zelda: Skyward Sword leans Optimization (Practiced Mastery).
Kirby's Dream Course leans a little harder on execution, though the gap is small.
Kirby's Dream Course
Power and spin must be set with fine precision
The Legend of Zelda: Skyward Sword
Directional motion swordplay demands deliberate angled swings
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Dream Course
No adaptive opponent in solo play
The Legend of Zelda: Skyward Sword
Enemies telegraph fixed blocking stances
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Dream Course
Fully deterministic boards
The Legend of Zelda: Skyward Sword
Linear and authored
Kirby's Dream Course leans a little harder on optimization, though the gap is small.
Kirby's Dream Course
Each hole is a solvable angle-and-power puzzle
The Legend of Zelda: Skyward Sword
Dense dungeon puzzles and item logic
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.