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

Variance · Light / Casual
Tests narrative taste and choice curiosity, not competitive skill of any kind.

Variance · Light / Casual
A short horror visual novel seen through a man whose senses render the world as flesh.
The Cosmic Wheel Sisterhood leans Variance (Light / Casual); The Song of Saya leans Variance (Light / Casual).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
The Cosmic Wheel Sisterhood
Crafting cards and reading dialogue needs no dexterity
The Song of Saya
No dexterity component; pure reading
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
The Cosmic Wheel Sisterhood
Characters react along scripted branches, never adapting
The Song of Saya
No opponent of any kind
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
The Cosmic Wheel Sisterhood
Story consequences are hidden until choices land
The Song of Saya
A few branch choices hide unseen endings
The Cosmic Wheel Sisterhood leans a little harder on optimization, though the gap is small.
The Cosmic Wheel Sisterhood
Card-crafting economy is light and forgiving
The Song of Saya
Minimal choice mapping across three endings
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.