head to head
Missed Messages. asks more than Firewatch, and the gap is variance.

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

Variance · Light / Casual
A brief branching story experienced rather than tested.
Firewatch leans Optimization (Light / Casual); Missed Messages. leans Variance (Light / Casual).
Firewatch leans a little harder on execution, though the gap is small.
Firewatch
Walking and radio dialogue only.
Missed Messages.
Clicking through scenes takes no skill
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.
Missed Messages.
Branches are authored, nothing adapts
Missed Messages. leans clearly harder on variance.
Firewatch
Minor environmental discoveries.
Missed Messages.
Endings are hidden until each path is tried
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Firewatch
Few systems to optimize.
Missed Messages.
Finding all endings is a short checklist
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.