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
Relaxing trucking sim with company-building progression.

Optimization · Pure Optimization
A crafting life-sim about running a workshop in a post-apocalyptic town.
Euro Truck Simulator 2 leans Optimization (Pure Optimization); My Time at Portia leans Optimization (Pure Optimization).
Euro Truck Simulator 2 leans a little harder on execution, though the gap is small.
Euro Truck Simulator 2
Truck handling, parking, gear control
My Time at Portia
Light combat and crafting timing.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Euro Truck Simulator 2
No adaptive opponents
My Time at Portia
NPCs follow scripts.
My Time at Portia leans a little harder on variance, though the gap is small.
Euro Truck Simulator 2
Traffic, weather, cargo conditions
My Time at Portia
Loot and gifts vary.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Euro Truck Simulator 2
Company growth, route, fleet management
My Time at Portia
Workshop scheduling and commissions reward optimization.
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.