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
An upgrade-economy loop where spending order matters more than driving.

Optimization · Pure Optimization
Relaxing trucking sim with company-building progression.
Earn to Die 2 leans Optimization (Pure Optimization); Euro Truck Simulator 2 leans Optimization (Pure Optimization).
Euro Truck Simulator 2 leans a little harder on execution, though the gap is small.
Earn to Die 2
Throttle and tilt control matter mildly per run
Euro Truck Simulator 2
Truck handling, parking, gear control
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Earn to Die 2
Zombies are static obstacles, not minds
Euro Truck Simulator 2
No adaptive opponents
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Earn to Die 2
Obstacle layouts vary lightly between runs
Euro Truck Simulator 2
Traffic, weather, cargo conditions
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Earn to Die 2
Upgrade purchase order is the real progression engine
Euro Truck Simulator 2
Company growth, route, fleet management
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.