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

Optimization · Light / Casual
A point-and-click detective adventure focused on investigation and puzzle-solving.

Optimization · Pure Optimization
A heartfelt WWI puzzle adventure following four lives through the trenches.
Still Life 2 leans Optimization (Light / Casual); Valiant Hearts: The Great War 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.
Still Life 2
no physical skill beyond puzzle interaction
Valiant Hearts: The Great War
Gentle timing in a few chase sequences
Still Life 2 leans a little harder on reads, though the gap is small.
Still Life 2
no adversarial opponent, investigative narrative
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.
Still Life 2
minimal randomness, fixed puzzle solutions
Valiant Hearts: The Great War
Fixed puzzles, fully visible
Valiant Hearts: The Great War leans a little harder on optimization, though the gap is small.
Still Life 2
puzzle logic solving is the main systems layer
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.