head to head
Heavy Rain asks more than Hello Charlotte Ep.2: Requiem Aeternam Deo, and the gap is execution.

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

Optimization · Light / Casual
Tests almost nothing mechanically - it's an authored narrative experienced, not beaten.
Heavy Rain leans Execution (Light / Casual); Hello Charlotte Ep.2: Requiem Aeternam Deo leans Optimization (Light / Casual).
Heavy Rain leans clearly harder on execution.
Heavy Rain
QTE prompts under tension
Hello Charlotte Ep.2: Requiem Aeternam Deo
Walking and menu choices only
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
Hello Charlotte Ep.2: Requiem Aeternam Deo
Authored story, no opponent
Heavy Rain leans a little harder on variance, though the gap is small.
Heavy Rain
First-run uncertainty about consequences
Hello Charlotte Ep.2: Requiem Aeternam Deo
Narrative surprises, nothing mechanically random
Heavy Rain leans a little harder on optimization, though the gap is small.
Heavy Rain
Branch knowledge fully solves outcomes
Hello Charlotte Ep.2: Requiem Aeternam Deo
Simple puzzles barely gate progress
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.