head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Optimization · Pure Optimization
A chain of self-contained logic brainteasers wrapped in a mystery story.

Optimization · Pure Optimization
The sequel expands the mechanical puzzle boxes into full eerie rooms spanning crypts, ships, and seances.
Professor Layton and the Azran Legacy leans Optimization (Pure Optimization); The Room Two leans Optimization (Pure Optimization).
The Room Two leans a little harder on execution, though the gap is small.
Professor Layton and the Azran Legacy
Tapping answers takes no dexterity
The Room Two
Slow tactile fiddling, zero dexterity bar
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 Azran Legacy
No opponent - puzzles are static brainteasers
The Room Two
No opponent exists
The Room Two leans a little harder on variance, though the gap is small.
Professor Layton and the Azran Legacy
Puzzles are fixed; hidden only until read
The Room Two
Unknown contraptions until explored, then fixed
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Professor Layton and the Azran Legacy
Each brainteaser is a literally solvable logic problem
The Room Two
Fixed mechanical puzzles with single deducible solutions
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.