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
Deadline-driven strategy where three explorers split duties harvesting fruit with Pikmin squads.

Optimization · Pure Optimization
Designing and optimizing a theme park's layout, pricing, and guest flow to maximize satisfaction and profit.
Pikmin 3 leans Optimization (Pure Optimization); Planet Coaster 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.
Pikmin 3
Juggling three captains needs deft control
Planet Coaster
Precise track and scenery placement rewards manual dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Pikmin 3
Wildlife behavior is fixed
Planet Coaster
No adaptive opponent; guests follow scripted happiness rules
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Pikmin 3
Fruit and enemy placements are static
Planet Coaster
Guest mood noise is low and quickly mappable
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Pikmin 3
Multi-captain routing and fruit-deadline planning dominate
Planet Coaster
Queue routing, pricing, and ride placement are the solvable core
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.