head to head
Neither is simply harder - they are hard in different places. The Elder Scrolls V: Skyrim demands more execution; The Universim demands more variance.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.

Optimization · Pure Optimization
A god game testing civilisation resource planning against semi-autonomous citizens and random disasters.
The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization); The Universim leans Optimization (Pure Optimization).
The Elder Scrolls V: Skyrim leans clearly harder on execution.
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
The Universim
God-hand clicking has no dexterity ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
The Universim
Autonomous nugget AI wanders but never models you
The Universim leans clearly harder on variance.
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
The Universim
Random disasters and AI whims disrupt plans
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
The Elder Scrolls V: Skyrim
Skill stacking, enchant loops, and exploits are deeply solvable.
The Universim
Research pacing, resource balance, and intervention timing are the game
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.