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

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

Execution · Light / Casual
A comedy sandbox testing nothing harder than enthusiasm for collateral damage.
Heavy Rain leans Execution (Light / Casual); Kill It With Fire leans Execution (Light / Casual).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Heavy Rain
QTE prompts under tension
Kill It With Fire
Swatting spiders needs only loose aim
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
Kill It With Fire
Spiders scuttle on simple RNG, no minds here
Kill It With Fire leans a little harder on variance, though the gap is small.
Heavy Rain
First-run uncertainty about consequences
Kill It With Fire
Spider hiding spots are unknown until flushed out
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Heavy Rain
Branch knowledge fully solves outcomes
Kill It With Fire
Checklist objectives and weapon unlocks, deliberately shallow
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.