head to head
Sid Meier's Alpha Centauri asks more than The Elder Scrolls V: Skyrim, and the gap is optimization.

Optimization · Pure Optimization
Mastering interlocking social engineering and tech-tree systems on a programmable alien world.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Sid Meier's Alpha Centauri leans Optimization (Pure Optimization); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
The Elder Scrolls V: Skyrim leans a little harder on execution, though the gap is small.
Sid Meier's Alpha Centauri
Turn-based; no twitch element at all
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Sid Meier's Alpha Centauri leans clearly harder on reads.
Sid Meier's Alpha Centauri
AI faction leaders follow fixed personality scripts
The Elder Scrolls V: Skyrim
Enemy AI is scripted and exploitable; not adaptive.
Sid Meier's Alpha Centauri leans clearly harder on variance.
Sid Meier's Alpha Centauri
Xenofungus and psi combat add some irreducible randomness
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Sid Meier's Alpha Centauri leans clearly harder on optimization.
Sid Meier's Alpha Centauri
Tech tree, social engineering, and base placement are essentially solvable
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.