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 atmospheric narrative theatre piece where engagement is interpretive rather than problem-solving.

Optimization · Light / Casual
A whimsical fantasy point-and-click adventure full of puzzle-solving humor.
Kentucky Route Zero leans Optimization (Light / Casual); The Book of Unwritten Tales 2 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.
Kentucky Route Zero
Player input amounts to clicking and dialogue selection only
The Book of Unwritten Tales 2
no physical skill, point-and-click
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Kentucky Route Zero
No opponent; choices shape tone not outcomes
The Book of Unwritten Tales 2
no adversarial adaptive opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Kentucky Route Zero
Negligible randomness; the world is a fixed authored space
The Book of Unwritten Tales 2
negligible randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Kentucky Route Zero
There is no puzzle layer; the game resists solvability by design
The Book of Unwritten Tales 2
inventory-puzzle logic to solve
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.