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

Optimization · Pure Optimization
The Game Boy Advance remake of the original Kanto journey with modern mechanics and the Sevii Islands.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Pokemon FireRed Version leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
The Elder Scrolls V: Skyrim leans clearly harder on execution.
Pokemon FireRed Version
Turn-based menus only
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Pokemon FireRed Version leans clearly harder on reads.
Pokemon FireRed Version
AI trainers follow fixed logic; PvP optional
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Pokemon FireRed Version leans a little harder on variance, though the gap is small.
Pokemon FireRed Version
Wild encounters and catch rolls bring luck
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Pokemon FireRed Version leans a little harder on optimization, though the gap is small.
Pokemon FireRed Version
Team composition and matchup knowledge decide everything
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.