head to head
Imperium Galactica II: Alliances asks more than The Elder Scrolls V: Skyrim, and the gap is reads.

Optimization · Pure Optimization
A 4X space strategy game about building economy, tech and conquering fleets.

Optimization · Pure Optimization
An open-world RPG mostly about discovering and stacking exploitable progression systems.
Imperium Galactica II: Alliances 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.
Imperium Galactica II: Alliances
Issuing orders has no twitch requirement
The Elder Scrolls V: Skyrim
Combat is forgiving; aim and timing rarely punish you.
Imperium Galactica II: Alliances leans clearly harder on reads.
Imperium Galactica II: Alliances
AI empires follow scripted strategies, not adaptive modelling
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.
Imperium Galactica II: Alliances
Some randomness in combat and tech but bounded
The Elder Scrolls V: Skyrim
Loot tables and leveled lists inject mild randomness.
Imperium Galactica II: Alliances leans clearly harder on optimization.
Imperium Galactica II: Alliances
Empire economy, tech and fleet building is the whole 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.