head to head
Heavy Rain asks more than Milk Inside a Bag of Milk Inside a Bag of Milk, and the gap is execution.

Execution · Light / Casual
Branching interactive thriller where QTE choices decide who survives the Origami Killer case.

Variance · Light / Casual
A short, unsettling visual novel about intrusive thoughts with no skill test.
Heavy Rain leans Execution (Light / Casual); Milk Inside a Bag of Milk Inside a Bag of Milk leans Variance (Light / Casual).
Heavy Rain leans clearly harder on execution.
Heavy Rain
QTE prompts under tension
Milk Inside a Bag of Milk Inside a Bag of Milk
no physical skill demand at all
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Heavy Rain
No adaptive opposition
Milk Inside a Bag of Milk Inside a Bag of Milk
no opponent of any kind
Heavy Rain leans a little harder on variance, though the gap is small.
Heavy Rain
First-run uncertainty about consequences
Milk Inside a Bag of Milk Inside a Bag of Milk
branching text has minor unpredictability
Heavy Rain leans clearly harder on optimization.
Heavy Rain
Branch knowledge fully solves outcomes
Milk Inside a Bag of Milk Inside a Bag of Milk
barely any systems 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.