head to head
Professor Layton and the Curious Village asks more than Riven: The Sequel to Myst, and the gap is variance.

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

Optimization · Pure Optimization
A cerebral puzzle-adventure that is essentially a logic puzzle to be fully solved.
Professor Layton and the Curious Village leans Optimization (Pure Optimization); Riven: The Sequel to Myst leans Optimization (Pure Optimization).
Professor Layton and the Curious Village leans a little harder on execution, though the gap is small.
Professor Layton and the Curious Village
Stylus taps only; no dexterity pressure at all
Riven: The Sequel to Myst
no reflex or physical skill required
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
Riven: The Sequel to Myst
no opponent present in the game
Professor Layton and the Curious Village leans clearly harder on variance.
Professor Layton and the Curious Village
Puzzle answers are hidden until reasoned out, then fixed
Riven: The Sequel to Myst
fully deterministic puzzle world
Riven: The Sequel to Myst leans a little harder on optimization, though the gap is small.
Professor Layton and the Curious Village
Every brainteaser has one clean solvable answer
Riven: The Sequel to Myst
pure logic-puzzle solving, walkthrough-solvable
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.