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
Physics sandbox about engineering medieval siege machines that usually explode beautifully.

Optimization · Pure Optimization
Designing and optimizing a theme park's layout, pricing, and guest flow to maximize satisfaction and profit.
Besiege 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.
Besiege
Piloting wobbly contraptions takes some hand skill
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.
Besiege
Static castles and scripted defenders
Planet Coaster
No adaptive opponent; guests follow scripted happiness rules
Planet Coaster leans a little harder on variance, though the gap is small.
Besiege
Deterministic physics and fixed objectives
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.
Besiege
Machine engineering is the whole game
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.