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

Optimization · Light / Casual
A hand-animated narrative platformer where story choices outweigh its gentle puzzles.

Optimization · Practiced Mastery
An easygoing co-op Kirby about recruiting enemies as friends and combining their elemental powers.
Forgotton Anne leans Optimization (Light / Casual); 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.
Forgotton Anne
Light platforming with forgiving timing
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.
Forgotton Anne
No adversaries
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.
Forgotton Anne
Branching dialogue hides some outcomes initially
Kirby Star Allies
Fixed layouts and bosses
Kirby Star Allies leans a little harder on optimization, though the gap is small.
Forgotton Anne
Simple energy puzzles with fixed solutions
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.