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

Optimization · Pure Optimization
Solvable type-matchup planning across two regions of fixed trainers.

Optimization · Pure Optimization
A farm-life sim solved by season routing and profit optimization.
Pokémon Silver Version leans Optimization (Pure Optimization); Stardew Valley leans Optimization (Pure Optimization).
Stardew Valley leans a little harder on execution, though the gap is small.
Pokémon Silver Version
Turn-based menus need no dexterity
Stardew Valley
Trivial timing on fishing and combat
Pokémon Silver Version leans a little harder on reads, though the gap is small.
Pokémon Silver Version
Scripted trainers never adapt; link battles are a niche exception
Stardew Valley
No adaptive opponent exists
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Pokémon Silver Version
Encounters, crits and catch rolls are bounded RNG
Stardew Valley
Crop luck and geode RNG matter modestly
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Pokémon Silver Version
Type coverage and team composition solve both regions
Stardew Valley
Routing seasons, profit loops, and bundles dominates
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.