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 · Practiced Mastery
A relaxed family collect-a-thon testing completionist routing over any reflex.

Optimization · Pure Optimization
A heartfelt WWI puzzle adventure following four lives through the trenches.
LEGO Harry Potter: Years 5-7 leans Optimization (Practiced Mastery); Valiant Hearts: The Great War leans Optimization (Pure Optimization).
LEGO Harry Potter: Years 5-7 leans a little harder on execution, though the gap is small.
LEGO Harry Potter: Years 5-7
Forgiving spell-casting and platforming for kids
Valiant Hearts: The Great War
Gentle timing in a few chase sequences
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
LEGO Harry Potter: Years 5-7
Enemies are scripted props posing no adaptive threat
Valiant Hearts: The Great War
No opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
LEGO Harry Potter: Years 5-7
Collectibles are fixed, just initially unknown
Valiant Hearts: The Great War
Fixed puzzles, fully visible
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
LEGO Harry Potter: Years 5-7
Spell-gated collectible routing is the real activity
Valiant Hearts: The Great War
Simple inventory and environmental puzzles with set 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.