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

Optimization · Pure Optimization
A farm-life sim solved by season routing and profit optimization.

Optimization · Pure Optimization
A god game testing civilisation resource planning against semi-autonomous citizens and random disasters.
Stardew Valley leans Optimization (Pure Optimization); The Universim 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.
Stardew Valley
Trivial timing on fishing and combat
The Universim
God-hand clicking has no dexterity ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Stardew Valley
No adaptive opponent exists
The Universim
Autonomous nugget AI wanders but never models you
The Universim leans a little harder on variance, though the gap is small.
Stardew Valley
Crop luck and geode RNG matter modestly
The Universim
Random disasters and AI whims disrupt plans
Stardew Valley leans a little harder on optimization, though the gap is small.
Stardew Valley
Routing seasons, profit loops, and bundles dominates
The Universim
Research pacing, resource balance, and intervention timing are the game
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.