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

Optimization · Practiced Mastery
A meditative climbing adventure ascending a vast dried-out seaside tower.

Optimization · Practiced Mastery
A four-player Wii Kirby romp gathering ship parts for the stranded alien Magolor.
Jusant leans Optimization (Practiced Mastery); Kirby's Return to Dream Land leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Jusant
Deliberate trigger-grip climbing, stamina not twitch
Kirby's Return to Dream Land
Easygoing main game; EX mode adds modest demands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Jusant
No opposition on the tower
Kirby's Return to Dream Land
Bosses are pattern-scripted
Kirby's Return to Dream Land leans a little harder on variance, though the gap is small.
Jusant
Routes are fixed and readable
Kirby's Return to Dream Land
Energy sphere hiding spots are static secrets
Jusant leans a little harder on optimization, though the gap is small.
Jusant
Reading the wall and planning pitons is the game
Kirby's Return to Dream Land
Super ability timing and sphere collection are solvable
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.