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 supernatural mystery adventure pairing a reluctant medium with a wisecracking ghost.
Professor Layton and the Curious Village leans Optimization (Pure Optimization); The Blackwell Legacy 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 Blackwell Legacy
Pure conversation and clicking
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 Blackwell Legacy
No adaptive opponent
The Blackwell Legacy 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 Blackwell Legacy
Clue connections unknown on first pass only
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 Blackwell Legacy
Fixed investigation chain; fully solvable with notes
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.