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.

Optimization · Light / Casual
A goalless physics toybox testing curiosity about item interactions, not skill.
Firewatch leans Optimization (Light / Casual); People Playground 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.
Firewatch
Walking and radio dialogue only.
People Playground
Dragging ragdolls has no performance ceiling
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.
People Playground
No opponent exists in a pure sandbox
People Playground leans a little harder on variance, though the gap is small.
Firewatch
Minor environmental discoveries.
People Playground
Physics outcomes surprise until the systems are learned
People Playground leans a little harder on optimization, though the gap is small.
Firewatch
Few systems to optimize.
People Playground
Learning item interactions is the only depth on offer
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.