head to head
Heavy Rain asks more than The Suicide of Rachel Foster, and the gap is execution.

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

Optimization · Light / Casual
A first-person mystery set in a snowed-in hotel, driven entirely by exploration and phone calls.
Heavy Rain leans Execution (Light / Casual); The Suicide of Rachel Foster leans Optimization (Light / Casual).
Heavy Rain leans clearly harder on execution.
Heavy Rain
QTE prompts under tension
The Suicide of Rachel Foster
Walking a hotel; no dexterity test.
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
The Suicide of Rachel Foster
No opponent; a phone companion guides you.
Heavy Rain leans a little harder on variance, though the gap is small.
Heavy Rain
First-run uncertainty about consequences
The Suicide of Rachel Foster
Fixed mystery; nothing randomised.
Heavy Rain leans a little harder on optimization, though the gap is small.
Heavy Rain
Branch knowledge fully solves outcomes
The Suicide of Rachel Foster
Light navigation and clue-following through the hotel.
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.