head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Optimization · Pure Optimization
An immersive sim testing route planning and augmentation builds over raw shooting skill.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Deus Ex: Human Revolution - Director's Cut leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
Deus Ex: Human Revolution - Director's Cut leans a little harder on execution, though the gap is small.
Deus Ex: Human Revolution - Director's Cut
Shooting works but stealth routes bypass most twitch demands
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Deus Ex: Human Revolution - Director's Cut
Guard AI follows mappable patrol scripts, never adapting
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Deus Ex: Human Revolution - Director's Cut
Vents, codes and routes are unknown until explored
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Deus Ex: Human Revolution - Director's Cut leans a little harder on optimization, though the gap is small.
Deus Ex: Human Revolution - Director's Cut
Praxis builds and route planning through levels are the real game
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.
full breakdown
Deus Ex: Human Revolution - Director's Cut →
full breakdown
The Elder Scrolls V: Skyrim →