head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Pure Optimization
American trucking sim about long hauls and growth.

Optimization · Pure Optimization
On-rails photography game about provoking and capturing the perfect Pokémon shot.
American Truck Simulator leans Optimization (Pure Optimization); Pokémon Snap 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.
American Truck Simulator
Truck handling and trailer parking
Pokémon Snap
Timing photos on a moving rail
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
American Truck Simulator
No adaptive opponents
Pokémon Snap
Creature behavior is fully scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
American Truck Simulator
Traffic and weather variance
Pokémon Snap
Minor behavioral wiggle per run
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
American Truck Simulator
Fleet, garages, route economics
Pokémon Snap
Triggering rare poses is route knowledge
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.