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

Optimization · Pure Optimization
A turn-based 4X where empire optimization beats turn-by-turn tactics.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Civilization VI leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
The Elder Scrolls V: Skyrim leans clearly harder on execution.
Civilization VI
Turn-based, no mechanical input demands.
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Civilization VI leans clearly harder on reads.
Civilization VI
AI is scripted; multiplayer adds light adaptation.
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Civilization VI leans clearly harder on variance.
Civilization VI
Map gen, barbarians, and city-state quests vary.
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Civilization VI leans clearly harder on optimization.
Civilization VI
Tech, civics, and yield routing dominate strategy.
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.