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
A solvable type-matchup system wrapped in collection and light RNG.

Optimization · Pure Optimization
A farm-life sim solved by season routing and profit optimization.
Pokémon Blue 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 Blue Version
Menu battles have no physical component
Stardew Valley
Trivial timing on fishing and combat
Pokémon Blue Version leans a little harder on reads, though the gap is small.
Pokémon Blue Version
Trainer AI is fixed; only link battles add fleeting prediction
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 Blue Version
Encounter rolls, catch rates and crits add mapped randomness
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 Blue Version
Type chart and team building make the campaign solvable
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.