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

Optimization · Pure Optimization
Building a team and exploiting type-matchup math against scripted trainers.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Pokémon LeafGreen Version leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
The Elder Scrolls V: Skyrim leans clearly harder on execution.
Pokémon LeafGreen Version
Menu-driven turn battles demand no physical skill
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Pokémon LeafGreen Version leans a little harder on reads, though the gap is small.
Pokémon LeafGreen Version
Trainers are scripted; link battles are a side mode
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Pokémon LeafGreen Version leans clearly harder on variance.
Pokémon LeafGreen Version
Wild encounters, catch rolls and crits add mappable RNG
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Pokémon LeafGreen Version
Type matchups and team building 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.