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 four-player Wii Kirby romp gathering ship parts for the stranded alien Magolor.

Optimization · Practiced Mastery
A relaxed co-op collect-a-thon testing little beyond completionist routing.
Kirby's Return to Dream Land leans Optimization (Practiced Mastery); LEGO Pirates of the Caribbean: The Video Game leans Optimization (Practiced Mastery).
Kirby's Return to Dream Land leans a little harder on execution, though the gap is small.
Kirby's Return to Dream Land
Easygoing main game; EX mode adds modest demands
LEGO Pirates of the Caribbean: The Video Game
Forgiving brawling and platforming for all ages
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Return to Dream Land
Bosses are pattern-scripted
LEGO Pirates of the Caribbean: The Video Game
Enemies are harmless scripted props
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Return to Dream Land
Energy sphere hiding spots are static secrets
LEGO Pirates of the Caribbean: The Video Game
Collectible locations are fixed, just initially unknown
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Return to Dream Land
Super ability timing and sphere collection are solvable
LEGO Pirates of the Caribbean: The Video Game
Completionist collectible routing is the only real puzzle
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.
full breakdown
Kirby's Return to Dream Land →
full breakdown
LEGO Pirates of the Caribbean: The Video Game →