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 · Practiced Mastery
A driving sim testing smooth vehicle handling against timetables and traffic rules.

Optimization · Pure Optimization
Meditative cleaning sim about systematic spray work.
Bus Driver leans Optimization (Practiced Mastery); PowerWash Simulator leans Optimization (Pure Optimization).
Bus Driver leans a little harder on execution, though the gap is small.
Bus Driver
Smooth braking and lane discipline are the physical test
PowerWash Simulator
Aim and sweep nozzle precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Bus Driver
Traffic follows predictable scripted rules
PowerWash Simulator
No adaptive opponents
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Bus Driver
Routes and conditions are set per scenario
PowerWash Simulator
Minimal, dirt is fixed
PowerWash Simulator leans a little harder on optimization, though the gap is small.
Bus Driver
Timetable adherence and rule-following decide the score
PowerWash Simulator
Nozzle choice, routing, completion efficiency
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.