head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Practiced Mastery
A wildlife-photography adventure about triggering and capturing animal behaviours.

Optimization · Practiced Mastery
An easygoing co-op Kirby about recruiting enemies as friends and combining their elemental powers.
Beasts of Maravilla Island leans Optimization (Practiced Mastery); Kirby Star Allies 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.
Beasts of Maravilla Island
Gentle platforming and photo framing, low precision
Kirby Star Allies
Very low difficulty, AI allies carry fights
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Beasts of Maravilla Island
Animals follow scripted behaviour, no adaptation
Kirby Star Allies
Friend AI helps rather than opposes
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Beasts of Maravilla Island
Creature behaviours fixed once observed
Kirby Star Allies
Fixed layouts and bosses
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Beasts of Maravilla Island
Solving how to trigger and photograph behaviours
Kirby Star Allies
Friend-ability element combos solve puzzles
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.