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 · Light / Casual
A first-person exploration about returning to an empty family home.

Optimization · Light / Casual
Tests nothing competitive - an authored interactive memoir to experience.
Gone Home leans Optimization (Light / Casual); If Found... leans Optimization (Light / Casual).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Gone Home
Pure walking and inspection.
If Found...
Erasing pages takes no skill by design
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Gone Home
No opponents.
If Found...
No opponent in a linear memoir
Gone Home leans a little harder on variance, though the gap is small.
Gone Home
Notes and items are fixed.
If Found...
Fully authored with nothing random
Gone Home leans a little harder on optimization, though the gap is small.
Gone Home
Order of discovery hardly matters.
If Found...
Nothing to solve - the story simply unfolds
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.