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 short psychological visual novel that tests nothing beyond attention and empathy.

Variance · Light / Casual
A choice-driven comedy adventure with almost no skill test at all.
Milk Outside a Bag of Milk Outside a Bag of Milk leans Variance (Light / Casual); Tales from the Borderlands leans Variance (Light / Casual).
Tales from the Borderlands leans a little harder on execution, though the gap is small.
Milk Outside a Bag of Milk Outside a Bag of Milk
Reading and choosing lines requires nothing physical
Tales from the Borderlands
Occasional QTEs are the only physical demand
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Milk Outside a Bag of Milk Outside a Bag of Milk
The girl's reactions are authored, not adaptive
Tales from the Borderlands
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.
Milk Outside a Bag of Milk Outside a Bag of Milk
Branch outcomes are hidden on a first read
Tales from the Borderlands
Story branches are unknown until chosen
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Milk Outside a Bag of Milk Outside a Bag of Milk
Finding endings is light dialogue-tree exploration
Tales from the Borderlands
Choices barely change outcomes; nothing to solve
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.
full breakdown
Milk Outside a Bag of Milk Outside a Bag of Milk →
full breakdown
Tales from the Borderlands →