head to head
Celeste asks more than Super Mario World, and the gap is execution.

Execution · Pure Mechanics
A deterministic precision platformer about executing pixel-perfect dash routes.

Execution · Pure Mechanics
Precise jump execution across fixed levels with secrets to memorise.
Celeste leans Execution (Pure Mechanics); Super Mario World leans Execution (Pure Mechanics).
Celeste leans clearly harder on execution.
Celeste
Pixel-perfect dashes and wavedashes are the entire skill.
Super Mario World
Perfect inputs trivialise every jump, spin and cape flight
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Celeste
No opponent; level hazards are fully scripted.
Super Mario World
Scripted Koopas adapt to nothing
Super Mario World leans a little harder on variance, though the gap is small.
Celeste
Zero randomness; every screen is deterministic.
Super Mario World
Levels are fixed; nothing hidden survives one playthrough
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Celeste
Route choice and tech selection are learnable but light.
Super Mario World
Secret exits and route knowledge add a modest solvable layer
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.