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 · Pure Optimization
A cozy island life-sim about building a community at your pace.

Optimization · Systems & Chaos
A short horror puzzle that tests curiosity about hidden alternative solutions.
Animal Crossing: New Horizons leans Optimization (Pure Optimization); Project Kat: Paper Lily Prologue leans Optimization (Systems & Chaos).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Animal Crossing: New Horizons
Trivial inputs.
Project Kat: Paper Lily Prologue
Top-down walking and menu choices only
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Animal Crossing: New Horizons
NPCs are scripted.
Project Kat: Paper Lily Prologue
Scripted horror events, nothing models the player
Project Kat: Paper Lily Prologue leans a little harder on variance, though the gap is small.
Animal Crossing: New Horizons
Daily visitors and fossils randomize.
Project Kat: Paper Lily Prologue
Hidden rules and alternate solutions are the hook until discovered
Animal Crossing: New Horizons leans a little harder on optimization, though the gap is small.
Animal Crossing: New Horizons
Turnips, layout, and time-routing reward planning.
Project Kat: Paper Lily Prologue
Puzzles reward experimenting toward fully mappable answers
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.