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.

Variance · Light / Casual
A Key visual novel about found family and baseball, with minigames feeding a devastating true route.

Optimization · Light / Casual
An underwater sci-fi horror about consciousness and identity.
Little Busters! leans Variance (Light / Casual); SOMA leans Optimization (Light / Casual).
SOMA leans a little harder on execution, though the gap is small.
Little Busters!
Light minigames: baseball practice, battle ranker
SOMA
Light stealth, gentle inputs.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Little Busters!
Minigame rivals are scripted
SOMA
Creatures follow scripts.
Little Busters! leans a little harder on variance, though the gap is small.
Little Busters!
Hidden route gates and randomized minigame events
SOMA
Some hiding spot variation.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Little Busters!
Route order and flag management toward Refrain
SOMA
Few systems to optimize.
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.