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 · Systems & Chaos
PS1 virtual-pet RPG where you raise, train, and evolve a Digimon whose growth follows hidden rules.

Optimization · Pure Optimization
A systems-dense fortress survival game where mastery of deeply randomized simulation rules determines whether your dwarves live or die.
Digimon World leans Optimization (Systems & Chaos); Dwarf Fortress leans Optimization (Pure Optimization).
Digimon World leans a little harder on execution, though the gap is small.
Digimon World
Light real-time battle nudging and timing
Dwarf Fortress
Menu-driven with no physical performance ceiling whatsoever
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Digimon World
No adaptive opponent anywhere
Dwarf Fortress
Goblins and megabeasts follow scripted aggression; no player modeling
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Digimon World
Hidden evolution requirements and care mistakes dominate early play
Dwarf Fortress
World generation, artifact rolls, and siege timing carry deep randomness
Dwarf Fortress leans a little harder on optimization, though the gap is small.
Digimon World
Once requirements are mapped, raising becomes a solvable schedule
Dwarf Fortress
Military, food chains, and fortress layout reward encyclopedic systems mastery
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.