head to head
Neither is simply harder - they are hard in different places. Master of Orion (2016) demands more variance; The Elder Scrolls V: Skyrim demands more execution.

Optimization · Pure Optimization
Optimizing custom race design and tech priorities across a randomly generated galaxy.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Master of Orion (2016) leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
The Elder Scrolls V: Skyrim leans clearly harder on execution.
Master of Orion (2016)
Turn-based menus; no physical demands at all
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Master of Orion (2016) leans clearly harder on reads.
Master of Orion (2016)
AI races follow defined personalities without adapting to your play
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Master of Orion (2016) leans clearly harder on variance.
Master of Orion (2016)
Random galaxy generation and diplomatic outcomes add hidden elements
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Master of Orion (2016) leans clearly harder on optimization.
Master of Orion (2016)
Race design, tech priorities, and fleet composition are the solvable core
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.