head to head
Neither is simply harder - they are hard in different places. The Elder Scrolls V: Skyrim demands more execution; The Talos Principle demands more optimization.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.

Optimization · Pure Optimization
A philosophical first-person puzzle game testing spatial sequencing and tool-use logic.
The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization); The Talos Principle leans Optimization (Pure Optimization).
The Elder Scrolls V: Skyrim leans clearly harder on execution.
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
The Talos Principle
Carrying items and timing fan avoidance is trivial
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
The Talos Principle
No adaptive adversary anywhere in the game
The Elder Scrolls V: Skyrim leans clearly harder on variance.
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
The Talos Principle
All puzzles are deterministic with fixed layouts
The Talos Principle leans clearly harder on optimization.
The Elder Scrolls V: Skyrim
Skill stacking, enchant loops, and exploits are deeply solvable.
The Talos Principle
Finding the exact sequence to bypass each set of obstacles and sigils
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.