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

Optimization · Pure Optimization
The 3DS remake of Hoenn with Mega Evolutions, soaring traversal, and the Delta Episode.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Pokemon Omega Ruby leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
The Elder Scrolls V: Skyrim leans clearly harder on execution.
Pokemon Omega Ruby
Turn-based combat only
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Pokemon Omega Ruby leans clearly harder on reads.
Pokemon Omega Ruby
Fixed trainer AI; competitive scene optional
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Pokemon Omega Ruby leans a little harder on variance, though the gap is small.
Pokemon Omega Ruby
DexNav encounters and catch RNG
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Pokemon Omega Ruby leans a little harder on optimization, though the gap is small.
Pokemon Omega Ruby
Team building and the Delta Episode reward planning
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.