head to head
Fallout: New Vegas asks more than Professor Layton and the Azran Legacy, and the gap is execution.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.

Optimization · Pure Optimization
A chain of self-contained logic brainteasers wrapped in a mystery story.
Fallout: New Vegas leans Optimization (Pure Optimization); Professor Layton and the Azran Legacy leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Professor Layton and the Azran Legacy
Tapping answers takes no dexterity
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Professor Layton and the Azran Legacy
No opponent - puzzles are static brainteasers
Fallout: New Vegas leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
Professor Layton and the Azran Legacy
Puzzles are fixed; hidden only until read
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Professor Layton and the Azran Legacy
Each brainteaser is a literally solvable logic problem
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.