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 · Pure Optimization
A minimalist puzzle platformer about deducing box-chain solutions.

Optimization · Pure Optimization
The beloved theme park builder where you design coasters and manage every detail of a growing park.
BoxBoxBoy! leans Optimization (Pure Optimization); RollerCoaster Tycoon leans Optimization (Pure Optimization).
BoxBoxBoy! leans a little harder on execution, though the gap is small.
BoxBoxBoy!
Box creation and movement need no precision
RollerCoaster Tycoon
Mouse-driven building with no time pressure
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
BoxBoxBoy!
Solo puzzle game with no opponent
RollerCoaster Tycoon
Guests are simple, fully mappable simulations
RollerCoaster Tycoon leans a little harder on variance, though the gap is small.
BoxBoxBoy!
Puzzles fully deterministic, nothing random
RollerCoaster Tycoon
Guest spawns and breakdowns barely matter
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
BoxBoxBoy!
Deducing box-chain shapes to clear obstacles is the game
RollerCoaster Tycoon
Park layout, pricing, and coaster stats are solvable systems
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.