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
An interactive novel that tests narrative attention more than any game skill.

Optimization · Light / Casual
Short narrative horror about a doomed freighter crew told in fractured time.
Ken Follett's The Pillars of the Earth leans Optimization (Light / Casual); Mouthwashing 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.
Ken Follett's The Pillars of the Earth
Point-and-click input has no physical ceiling
Mouthwashing
Walking and simple interactions
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Ken Follett's The Pillars of the Earth
Branching story characters follow scripts, not minds
Mouthwashing
No opposition; it is a story
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Ken Follett's The Pillars of the Earth
Choice outcomes are unknown on a first playthrough
Mouthwashing
Narrative surprises only on first viewing
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Ken Follett's The Pillars of the Earth
Puzzles are sparse and single-solution
Mouthwashing
Light puzzles guide a fixed story
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.