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 · Pure Optimization
Gentleman puzzler solves a village full of standalone brainteasers.

Optimization · Pure Optimization
A melancholy fairy-tale adventure solved through classical point-and-click puzzle methodology.
Professor Layton and the Curious Village leans Optimization (Pure Optimization); The Whispered World leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Professor Layton and the Curious Village
Stylus taps only; no dexterity pressure at all
The Whispered World
Classic interface with no action sequences
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Professor Layton and the Curious Village
No opponent, adaptive or otherwise
The Whispered World
Scripted fairy-tale narrative with fixed characters
Professor Layton and the Curious Village leans a little harder on variance, though the gap is small.
Professor Layton and the Curious Village
Puzzle answers are hidden until reasoned out, then fixed
The Whispered World
Deterministic puzzles throughout
Professor Layton and the Curious Village leans a little harder on optimization, though the gap is small.
Professor Layton and the Curious Village
Every brainteaser has one clean solvable answer
The Whispered World
Traditional inventory combinations and dialogue puzzles reward methodical play
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.