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 mystery about a fire lookout in a Wyoming forest.

Execution · Light / Casual
A short interactive love story told through tactile vignettes rather than challenge.
Firewatch leans Optimization (Light / Casual); Florence leans Execution (Light / Casual).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Firewatch
Walking and radio dialogue only.
Florence
Gentle touch vignettes with no fail state
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Firewatch
No adaptive opposition.
Florence
No opponent
Firewatch leans a little harder on variance, though the gap is small.
Firewatch
Minor environmental discoveries.
Florence
Fully linear story
Firewatch leans a little harder on optimization, though the gap is small.
Firewatch
Few systems to optimize.
Florence
Nothing to solve; you experience it
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.