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

Optimization · Light / Casual
A meta-narrative walking sim about defying or obeying a scripted narrator.

Optimization · Light / Casual
A first-person mystery set in a snowed-in hotel, driven entirely by exploration and phone calls.
The Stanley Parable: Ultra Deluxe leans Optimization (Light / Casual); The Suicide of Rachel Foster 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.
The Stanley Parable: Ultra Deluxe
Walking and clicking, no mechanical demand.
The Suicide of Rachel Foster
Walking a hotel; no dexterity test.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
The Stanley Parable: Ultra Deluxe
Narrator is scripted, not adaptive.
The Suicide of Rachel Foster
No opponent; a phone companion guides you.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
The Stanley Parable: Ultra Deluxe
Hidden endings to discover.
The Suicide of Rachel Foster
Fixed mystery; nothing randomised.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
The Stanley Parable: Ultra Deluxe
Mapping ending tree rewards completionists.
The Suicide of Rachel Foster
Light navigation and clue-following through the hotel.
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.