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 · Pure Optimization
Survival horror prequel built on swapping two characters with no item boxes.

Optimization · Pure Optimization
A first-person farming game about wrangling adorable slimes for plorts.
Resident Evil 0 leans Optimization (Pure Optimization); Slime Rancher leans Optimization (Pure Optimization).
Resident Evil 0 leans a little harder on execution, though the gap is small.
Resident Evil 0
Tank-control combat is modestly demanding
Slime Rancher
Vacuum aiming is gentle.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Resident Evil 0
Enemies follow fixed behaviour
Slime Rancher
Slimes follow scripted behaviors.
Resident Evil 0 leans a little harder on variance, though the gap is small.
Resident Evil 0
Hidden layouts surprise until mapped
Slime Rancher
Plort prices and slime spawns vary.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Resident Evil 0
Two-character item juggling makes routing the real game
Slime Rancher
Ranch layout and economy reward planning.
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.