head to head
Neither is simply harder - they are hard in different places. Super Mario World demands more optimization; Turbo Pug DX demands more variance.

Execution · Pure Mechanics
Precise jump execution across fixed levels with secrets to memorise.

Execution · Pure Mechanics
An endless runner testing quick reflexes against procedurally generated obstacles.
Super Mario World leans Execution (Pure Mechanics); Turbo Pug DX leans Execution (Pure Mechanics).
Super Mario World leans a little harder on execution, though the gap is small.
Super Mario World
Perfect inputs trivialise every jump, spin and cape flight
Turbo Pug DX
reflex timing for jumps and dodges
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Super Mario World
Scripted Koopas adapt to nothing
Turbo Pug DX
no opponent, endless runner obstacles
Turbo Pug DX leans clearly harder on variance.
Super Mario World
Levels are fixed; nothing hidden survives one playthrough
Turbo Pug DX
procedurally generated obstacle patterns
Super Mario World leans clearly harder on optimization.
Super Mario World
Secret exits and route knowledge add a modest solvable layer
Turbo Pug DX
minimal systems beyond survival length
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.