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 · Practiced Mastery
An off-road hauling simulator about planning routes and nursing heavy trucks through mud, ice and rivers.
Euro Truck Simulator 2 leans Optimization (Pure Optimization); SnowRunner leans Optimization (Practiced Mastery).
SnowRunner leans a little harder on execution, though the gap is small.
Euro Truck Simulator 2
Truck handling, parking, gear control
SnowRunner
Throttle finesse and winch work prevent disasters.
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
SnowRunner
No opponents; terrain is the only adversary.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Euro Truck Simulator 2
Traffic, weather, cargo conditions
SnowRunner
Mud and ice physics surprise until terrain is learned.
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
SnowRunner
Truck loadouts, route planning and fuel logistics decide deliveries.
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.