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 continuation puzzle journey where mechanical and environmental obstacles yield to patient reasoning.
Professor Layton and the Curious Village leans Optimization (Pure Optimization); Syberia 2 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
Syberia 2
Interface unchanged; no motor skill tested
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
Syberia 2
Continuation of scripted 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
Syberia 2
Deterministic world state 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
Syberia 2
Environmental and mechanical puzzles reward patient logical mapping
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.