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 cosy late-night cafe story where listening to fantasy-world patrons is the experience.

Optimization · Light / Casual
A first-person mystery set in a snowed-in hotel, driven entirely by exploration and phone calls.
Coffee Talk 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.
Coffee Talk
Brewing is a simple icon selection
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.
Coffee Talk
Customer stories follow scripted beats
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.
Coffee Talk
Occasional recipe choices affect endings but space is tiny
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.
Coffee Talk
Learning correct drink combos for good ends is a minimal optimisation layer
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.