head to head
Neither is simply harder - they are hard in different places. Rise of the Golden Idol demands more optimization; The Elder Scrolls V: Skyrim demands more execution.

Optimization · Pure Optimization
A successor deduction game demanding systematic elimination across interconnected mystery tableaux.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Rise of the Golden Idol leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
The Elder Scrolls V: Skyrim leans clearly harder on execution.
Rise of the Golden Idol
Interface identical to predecessor; no physical demands
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.
Rise of the Golden Idol
Scripted mystery scenes have no adaptive opponent
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Rise of the Golden Idol leans a little harder on variance, though the gap is small.
Rise of the Golden Idol
Hidden roles and motives form layered investigative uncertainty
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Rise of the Golden Idol leans clearly harder on optimization.
Rise of the Golden Idol
Closed-world deduction chain converges to exactly one correct answer per scene
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.