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
Optimising road networks and production chains at a settler's pace.

Optimization · Pure Optimization
A turn-based Yakuza won by job-mastery and party-build routing.
The Settlers II: 10th Anniversary leans Optimization (Pure Optimization); Yakuza: Like a Dragon 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.
The Settlers II: 10th Anniversary
Slow road-laying needs no dexterity at all
Yakuza: Like a Dragon
Turn-based, minor positioning inputs
The Settlers II: 10th Anniversary leans a little harder on reads, though the gap is small.
The Settlers II: 10th Anniversary
AI opponents expand on predictable scripts
Yakuza: Like a Dragon
Scripted enemies
Yakuza: Like a Dragon leans a little harder on variance, though the gap is small.
The Settlers II: 10th Anniversary
Map resources are scripted-but-unknown until explored
Yakuza: Like a Dragon
Job ability and drop rolls
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
The Settlers II: 10th Anniversary
Road networks and production chains are the entire game
Yakuza: Like a Dragon
Job mastery and party-build routing central
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.