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

Optimization · Pure Optimization
Pre-solving battles through ship design and deployment, then watching the answer play out.

Optimization · Pure Optimization
Optimizing regional economics and city services to sustain growth without collapsing your budget.
Gratuitous Space Battles leans Optimization (Pure Optimization); SimCity 4 leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Gratuitous Space Battles
Battles run hands-off once deployed
SimCity 4
Point-and-click placement; zero reflex requirement
Gratuitous Space Battles leans a little harder on reads, though the gap is small.
Gratuitous Space Battles
Async challenges exist but fleets cannot adapt mid-fight
SimCity 4
Solo sandbox with no adversarial pressure
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Gratuitous Space Battles
Unknown enemy loadouts add pre-battle hidden information
SimCity 4
Neighbor city interactions and demand curves add unpredictability
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Gratuitous Space Battles
Ship design and deployment orders decide everything before combat starts
SimCity 4
Budget, ordinances, and transport networks are the core puzzle
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.