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.

Optimization · Practiced Mastery
Managing scarce resources and learning authored scares that converge to routed runs.

Execution · Practiced Mastery
A marble-shooter testing aim and color-chain planning against falling orbs.
Resident Evil Requiem leans Optimization (Practiced Mastery); Sparkle Unleashed leans Execution (Practiced Mastery).
Sparkle Unleashed leans a little harder on execution, though the gap is small.
Resident Evil Requiem
Aiming under pressure matters but stays survivable
Sparkle Unleashed
Aiming and timing orb shots before they fall matters
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Resident Evil Requiem
Enemies and stalkers follow designed behaviour, not adaptive minds
Sparkle Unleashed
Solo arcade puzzle with no opponent to model
Sparkle Unleashed leans a little harder on variance, though the gap is small.
Resident Evil Requiem
First-run horror trades on scripted-but-unknown encounters
Sparkle Unleashed
Incoming orb colors arrive with some randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Resident Evil Requiem
Resource management and routing converge on optimal runs
Sparkle Unleashed
Chaining matches and powerup use is the strategic layer
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.