head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Optimization · Light / Casual
A first-person mystery about a fire lookout in a Wyoming forest.

Variance · Light / Casual
A wordless cinematic mystery told through first-person scenes and hard cuts.
Firewatch leans Optimization (Light / Casual); Virginia leans Variance (Light / Casual).
Firewatch leans a little harder on execution, though the gap is small.
Firewatch
Walking and radio dialogue only.
Virginia
Walk and click, nothing more
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.
Virginia
No opposition exists
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Firewatch
Minor environmental discoveries.
Virginia
Story beats are fixed, only interpretation varies
Firewatch leans a little harder on optimization, though the gap is small.
Firewatch
Few systems to optimize.
Virginia
Nothing to solve, only to experience
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.