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 testing inventory routing and ammo economy through a fixed mansion of scripts.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Resident Evil Code: Veronica X leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
Resident Evil Code: Veronica X leans a little harder on execution, though the gap is small.
Resident Evil Code: Veronica X
Tank controls and aimed shots under pressure need composure
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Resident Evil Code: Veronica X
Zombies and bosses follow fixed scripted behaviour
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Resident Evil Code: Veronica X
Item placements are scripted-but-unknown on first runs
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Resident Evil Code: Veronica X
Ammo economy, item routing and key puzzles drive everything
The Elder Scrolls V: Skyrim
Skill stacking, enchant loops, and exploits are deeply solvable.
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.