head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Optimization · Pure Optimization
A physics sandbox testing track design to guide a sledder along drawn lines.

Optimization · Pure Optimization
Designing and optimizing a theme park's layout, pricing, and guest flow to maximize satisfaction and profit.
Line Rider 2: Unbound 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.
Line Rider 2: Unbound
Drawing tracks has no twitch dimension
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.
Line Rider 2: Unbound
Solo physics sandbox with no opponent
Planet Coaster
No adaptive opponent; guests follow scripted happiness rules
Planet Coaster leans a little harder on variance, though the gap is small.
Line Rider 2: Unbound
Deterministic physics, nothing random
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.
Line Rider 2: Unbound
Designing tracks that produce desired sled physics is the puzzle
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.